Top Call Center Services & Voice Services in London

Ratings Updated: November 15, 2026

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Virtual Sales Limited

4.8 23 reviews

Premier Verified

$1,000+

$50 - $99 / hr

10 - 49

Serves London, England

Services provided

40% Call Center Services

60% Sales Outsourcing

Virtual Sales Limited is a distinguished provider of outbound call center and telemarketing services, specializing in lead generation and appointment setting. With over 90% of reviewers praising their timely delivery and industry expertise, they are noted for strong customer care services and impressive communication. Clients consistently appreciate their proactive project management and the significant impact on sales pipelines, with no significant areas for improvement highlighted.

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Reviews mention Exceptional results
Virtual Sales Limited has received outstanding feedback, demonstrating exceptional results in appointment setting and sales outsourcing. A CEO noted that Virtual Sales consistently meets expectations for key performance indicators, particularly in the number of appointments set. Clients praised their effective communication, responsiveness, and well-established processes, indicating a strong capability in delivering results. The overall sentiment reflects a high level of satisfaction, with no areas identified for improvement.

Telemarketing Services for Customer Engagement Platform

4.5 Mar 20, 2023

VSL is an exceptional telemarketing company and their telemarketing as a service model allows us to alter our monthly service hours to achieve our sales goals. VSL handles the entire process seamlessly, freeing up our time to focus on closing deals. VSL's proven track record of consistently delivering booked meetings makes them a reliable and effective partner. Overall, we highly recommend VSL for their outstanding service and ability to help us achieve our goals.
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Average Project Cost Breakdown

$10,000 to $49,000 (10) Less than $10,000 (3) $50,000 to $199,999 (1)

What Clients Have Said
Virtual Sales Limited is frequently noted for providing excellent value for money, with multiple clients highlighting that their pricing fits within budget while delivering good results. Clients have expressed satisfaction with the quality of leads generated and the professionalism of the team, often describing them as an extension of their own operations. Overall sentiment is positive, with many clients affirming that the services offered exceed expectations and contribute significantly to their business growth.
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1 of 1 London-based review is 5 stars

Unknown avg. project cost for Call Center Services services in London

London-based Call Center Services project highlight

Outbound Call Center Services for AI Transcription platform
5.0 — Virtual Sales Limited provides outbound sales and calling services for an AI transcription platform. The team has been tasked with helping increase the client's enterprise pipeline in the UK and Read more
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Review Rating from Clients

4.8/5.0

Quality

4.8

Schedule

4.9

Cost

4.3

Willing to Refer

4.9

London clients praise Virtual Sales Limited for flexible, well-managed outbound calling and B2B lead generation. Reviewers cite booked meetings, qualified opportunities, and useful market insights across enterprise software, financial services, contact-center technology, and customer engagement, supported by responsive communication and detailed reporting.
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SalesAR

4.9 136 reviews

Premier Verified

$1,000+

< $25 / hr

50 - 249

London, England

Services provided

10% Call Center Services

60% Sales Outsourcing

10% Account-Based Marketing +2 services

10% Content Marketing

10% Email Marketing

SalesAR is a company specializing in lead generation and appointment setting services. The feedback across reviews is predominantly positive, with approximately 90% of clients highlighting their effective communication, strategic improvements, and strong engagement. Notably, 75% of reviewers appreciate their ability to secure qualified leads and appointments, demonstrating their proficiency in outbound call center and telephonic support services.

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Reviews mention Personable
SalesAR has received positive feedback for its personable approach to client engagement. Clients have highlighted their responsiveness and effective communication, noting that SalesAR took the time to understand their specific needs. For instance, one client praised the team for crafting personalized outreach campaigns that resonated with their target audience. Overall, the sentiment reflects a high level of satisfaction with SalesAR's ability to foster meaningful interactions and adapt to client requirements.

Lead Generation for Logistics Company

5.0 Jan 18, 2021

The most impressive things about the company are their client-oriented approach and high quality of the service they provide.
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Content Marketing & Lead Gen for Digital Marketing Agency

5.0 Feb 13, 2025

What impressed us the most about SalesAR was their strategic and personalized approach to lead generation. Instead of relying on generic outreach, they took the time to understand our business, target audience, and goals, ensuring every interaction was meaningful. And most importantly, they focused on quality over quantity - bringing us genuinely interested leads rather than just filling the pipeline.
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Lead Generation Services for Financial Company

5.0 Mar 25, 2024

The team delivered more than 35 appointments in 2.5 months. SalesAR managed the project well, delivering items on time and responding quickly to our needs. Their ability to consistently generate high-quality leads through innovative strategies is impressive, and their personalized approach sets them apart in the lead generation industry.
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Average Project Cost Breakdown

$10,000 to $49,000 (68) Less than $10,000 (23) $50,000 to $199,999 (1)

What Clients Have Said
SalesAR has received positive feedback regarding its overall cost and value for money. Clients frequently highlight the company's competitive pricing and the high quality of leads generated. For instance, one client noted that SalesAR provided over 5000 leads and arranged 15 valuable appointments, illustrating strong return on investment. Additionally, another review emphasized that SalesAR's pricing fit within budgets while delivering excellent results. Overall, clients express satisfaction with the cost-effectiveness of SalesAR's services.
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London, England

124 City Road
London, England EC1V 2NX
2 - 5

+44 20 8638 7275

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Reviewers in Cambridge highlight SalesAR’s lead research and multichannel outreach for a microchip-design platform, spanning automotive, manufacturing, and IoT prospects. They report receiving over 3,000 qualified leads and value the team’s consistent delivery, weekly reporting, and strategic discussions.
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Simply Contact

4.8 27 reviews

Premier Verified

$1,000+

< $25 / hr

250 - 999

London, England

Services provided

35% Call Center Services

55% Customer Service Outsourcing

10% Back Office Outsourcing

Simply Contact is a specialized provider of Contact Center Services, focusing on Customer Support Services, Inbound Call Center, and Telephonic Support. The company consistently receives high praise for its expertise in handling multi-channel and multi-lingual customer interactions, with 100% of reviewers noting their professionalism and adaptability. Their ability to improve customer satisfaction and reduce response times significantly is frequently highlighted, making them a valuable partner for diverse business needs.

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Reviews mention Timely
Simply Contact has consistently received positive feedback regarding their timeliness in project management and delivery. Clients noted that Simply Contact met deadlines and delivered tasks on time, ensuring smooth operations. For instance, one client highlighted their team's ability to quickly adapt and address any adjustments needed during the project, while another emphasized their efficient handling of customer inquiries. Overall, the sentiment surrounding Simply Contact's timeliness is highly favorable, reflecting reliability and responsiveness.

Back Office & Customer Service for App Optimization Agency

5.0 Feb 23, 2024

Simply Contact did an excellent job managing the project. They always finished work on time and quickly responded whenever we needed them.
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Customer Service Outsourcing for AdTech Company

4.0 Dec 9, 2024

Simply Connect managed the project well, delivering everything on time as promised. They were responsive and easy to work with, quickly addressing any questions or adjustments we needed along the way. Their flexibility and clear communication made the whole process smooth and stress-free.
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Outsourced Customer Service for Cloud Collaborative Platform

5.0 Sep 12, 2024

During our collaboration, Simply Contact met all deadlines and the workflow was smooth.
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Customer Support Services for SaaS Company

5.0 Apr 25, 2023

The workflow between our team and Simply Contact was highly effective. Their project manager always provides timely updates and ensures a transparent workflow. We were also impressed by Simply Contact's flexibility in meeting our specific requirements.
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Customer Service Outsourcing for CRM Consulting Company

5.0 Dec 8, 2023

Simply Contact did an excellent job managing our project. They always met deadlines and paid close attention to our requirements. We were always in close contact, and we particularly appreciated the professional approach of their manager, Anna.
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More responsive than most other service providers

Simply Contact is responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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London, England

45 Fitzroy Street
London, England W1T 6EB
6 - 9

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Review Rating from Clients

4.5/5.0

Quality

4.0

Schedule

5.0

Cost

4.3

Willing to Refer

4.0

London-based clients praise Simply Contact for responsive, resilient customer support across live chat, email, and phone. Reviewers highlight multilingual coverage, efficient ticket handling, careful agent training, and quality controls; one client reported a 15% increase in customer satisfaction, while another noted fast responses and high CSAT.
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Inside Sales Solutions

4.7 11 reviews

Premier Verified

$10,000+

Undisclosed

50 - 249

London, England

Services provided

75% Sales Outsourcing

10% Demand Generation Marketing

5% Account-Based Marketing +2 services

5% Event Marketing

5% Search Engine Optimization

Inside Sales Solutions specializes in lead generation and appointment setting services, primarily for IT and business consulting firms. Overall, reviewers praise the company for being highly responsive and effective, with 100% of reviews highlighting their strong communication and professionalism. Many clients note their ability to adapt to specific client needs and create meaningful customer engagements, though some suggest potential enhancements like call monitoring or shared feedback forums.

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Reviews mention Patient
Inside Sales Solutions has received positive feedback regarding their patience in client interactions. A client noted their willingness to engage in discussions and improve processes, highlighting that Inside Sales Solutions takes feedback seriously. Although there was a learning curve in the initial stages of the project, the overall sentiment reflects satisfaction with their approach and adaptability in meeting client needs.

Sales Outsourcing & Lead Gen for Business Consulting Firm

4.0 Nov 3, 2026

Inside Sales Solutions is patient with clients, open to discussions and improving the processes. They take feedback regularly and seriously.
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4 of 10 reviews are 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 10 times in the past 6 months
Inside Sales Solutions has received positive feedback over the past six months, highlighting their effectiveness in lead generation and appointment setting. Clients noted impressive results, such as 100% event attendance and significant pipeline growth, with some reporting $10 million in created pipeline. The team is commended for their responsiveness, professionalism, and ability to adapt to changing needs. While most reviews indicate satisfaction, a few clients suggested improvements in call monitoring and feedback mechanisms.
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Average Project Cost Breakdown

$10,000 to $49,000 (1) $50,000 to $199,999 (1) $200,000 to $999,999 (1)

What Clients Have Said
Inside Sales Solutions is frequently recognized for providing good value for money, with clients noting their cost efficiency and high-quality lead generation. For instance, one client highlighted that they were selected due to their 'good value for cost,' while another mentioned their engagement resulted in a significant pipeline creation worth $10 million. Overall, the sentiment reflects satisfaction with both the pricing and the outcomes delivered by Inside Sales Solutions.
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London, England

123 Main St
London, England TW13
16 - 20

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TANDA Digital

5.0 3 reviews

Premier Verified

$10,000+

$200 - $300 / hr

10 - 49

London, England

Services provided

70% Sales Outsourcing

10% Account-Based Marketing

10% CRM Consulting and SI +1 service

10% Email Marketing

TANDA Digital is a strategic marketing and sales consultancy specializing in email campaigns, LinkedIn outreach, and sales strategy. Reviews indicate a high level of satisfaction, with 100% of reviewers highlighting their personalized service and dedication to building long-term relationships. While their AI copywriting could be improved, clients appreciate their expertise, responsiveness, and ability to facilitate significant business growth.

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3 of 3 reviews are 5 stars

Unknown avg. project cost

Reviewed 3 times in the past 6 months
TANDA Digital has received positive feedback over the past six months, with clients praising their deep understanding of business needs and effective outreach strategies. One CEO highlighted their ability to enhance sales skills and close deals through personalized coaching and support. Clients noted TANDA Digital's commitment to over-delivering on deadlines and maintaining transparent communication. However, some suggested improvements in condensing complex information and refining AI-generated content. Overall, sentiment reflects satisfaction and a strong recommendation for long-term partnerships.
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Industry Experience

TANDA Digital has received positive feedback primarily from the Advertising & Marketing and Business Services industries. Clients highlighted their expertise in sales strategy, outreach, and personalized support, praising their ability to deliver measurable results, such as increased leads and improved sales techniques. The overall sentiment reflects TANDA Digital's strong culture fit, commitment to client success, and deep understanding of industry-specific challenges, making them a valuable partner in driving business growth and refining marketing strategies.
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Advertising & marketing Business services

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Average Project Cost Breakdown

What Clients Have Said
Clients consistently report that TANDA Digital offers good value for cost, with many highlighting the company's exceptional commitment to service and results. One CEO noted the unparalleled knowledge gained, which significantly helped in achieving business goals. Another client emphasized TANDA Digital's dedication beyond expectations, reinforcing a long-term partnership approach. Overall, the sentiment reflects satisfaction with both the pricing and the value received from their services.
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London, England

27 Old Gloucester Street
London, England WC1N 3AX
2 - 5

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Task Virtual

5.0 85 reviews

Premier Verified Clutch Guarantee

$1,000+

< $25 / hr

50 - 249

London, England

Services provided

10% Call Center Services

40% Back Office Outsourcing

20% Sales Outsourcing +2 services

20% Search Engine Optimization

10% Data Annotation Services

Task Virtual is a company specializing in Contact Center Services, providing comprehensive solutions including customer support, inbound call center services, and administrative assistance. Reviews highlight their ability to efficiently manage customer inquiries, data processing, and appointment scheduling, with 100% of reviewers praising their flexibility and adaptability. The team is commended for their professionalism, timely communication, and integration into clients’ existing workflows, enhancing operational efficiency and customer care.

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Reviews mention Timely
Task Virtual consistently receives positive feedback regarding its timely delivery of services. Clients noted that deliverables were completed on schedule, with one reviewer highlighting structured onboarding and regular status meetings that ensured open communication. Another client emphasized the quick adaptation of Task Virtual to evolving project needs without disruption. Overall, the sentiment reflects a strong appreciation for Task Virtual's reliability and responsiveness, contributing to enhanced operational efficiency and improved service quality.

Customer Service Outsourcing for Cybersecurity Service Provider

5.0 Mar 15, 2025

They consistently met deadlines and proactively communicated with us to address any concerns or requirements.
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Back Office Outsourcing for Marketing Consultancy Firm

5.0 Mar 15, 2025

Task Virtual's project management was outstanding; they consistently delivered on deadlines and were always responsive, addressing our needs with efficiency and clarity.
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SEO Services for Financial Services Company

5.0 Sep 13, 2025

Their project management was excellent; they delivered tasks on schedule, maintained consistent communication, and quickly addressed any concerns.
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SEO Services for Pest Control Company

5.0 Dec 17, 2025

Task Virtual demonstrated excellent project management throughout our partnership. They consistently delivered work on time and were highly responsive to our needs, always making sure to address any questions or adjustments we had promptly. Communication was clear and efficient, and they kept us informed of progress with regular updates, ensuring that we were aligned on goals and milestones at all times.
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More responsive than most other service providers

Task Virtual is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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London, England

Brixton Hill
London, England SW2
2 - 5

3472846666

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Local businesses commend Task Virtual for combining technical SEO, content optimization, and location-specific search strategies to address complex visibility goals. Reading reviewers describe measurable gains in local search presence and leads, and emphasize the team’s industry understanding, clear updates, and focus on sustained improvement.
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Virtual Sales Limited

4.8 23 reviews

Premier Verified

$1,000+

$50 - $99 / hr

10 - 49

Horsham , England

Services provided

40% Call Center Services

60% Sales Outsourcing

Virtual Sales Limited is a distinguished provider of outbound call center and telemarketing services, specializing in lead generation and appointment setting. With over 90% of reviewers praising their timely delivery and industry expertise, they are noted for strong customer care services and impressive communication. Clients consistently appreciate their proactive project management and the significant impact on sales pipelines, with no significant areas for improvement highlighted.

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Reviews mention Exceptional results
Virtual Sales Limited has received outstanding feedback, demonstrating exceptional results in appointment setting and sales outsourcing. A CEO noted that Virtual Sales consistently meets expectations for key performance indicators, particularly in the number of appointments set. Clients praised their effective communication, responsiveness, and well-established processes, indicating a strong capability in delivering results. The overall sentiment reflects a high level of satisfaction, with no areas identified for improvement.

Telemarketing Services for Customer Engagement Platform

4.5 Mar 20, 2023

VSL is an exceptional telemarketing company and their telemarketing as a service model allows us to alter our monthly service hours to achieve our sales goals. VSL handles the entire process seamlessly, freeing up our time to focus on closing deals. VSL's proven track record of consistently delivering booked meetings makes them a reliable and effective partner. Overall, we highly recommend VSL for their outstanding service and ability to help us achieve our goals.
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Average Project Cost Breakdown

$10,000 to $49,000 (10) Less than $10,000 (3) $50,000 to $199,999 (1)

What Clients Have Said
Virtual Sales Limited is frequently noted for providing excellent value for money, with multiple clients highlighting that their pricing fits within budget while delivering good results. Clients have expressed satisfaction with the quality of leads generated and the professionalism of the team, often describing them as an extension of their own operations. Overall sentiment is positive, with many clients affirming that the services offered exceed expectations and contribute significantly to their business growth.
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1 of 1 London-based review is 5 stars

Unknown avg. project cost for Call Center Services services in London

London-based Call Center Services project highlight

Outbound Call Center Services for AI Transcription platform
5.0 — Virtual Sales Limited provides outbound sales and calling services for an AI transcription platform. The team has been tasked with helping increase the client's enterprise pipeline in the UK and Read more
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Review Rating from Clients

4.8/5.0

Quality

4.8

Schedule

4.9

Cost

4.3

Willing to Refer

4.9

London clients praise Virtual Sales Limited for flexible, well-managed outbound calling and B2B lead generation. Reviewers cite booked meetings, qualified opportunities, and useful market insights across enterprise software, financial services, contact-center technology, and customer engagement, supported by responsive communication and detailed reporting.
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Clarify

4.8 6 reviews

Premier Verified

$10,000+

Undisclosed

50 - 249

Theale, England

Services provided

50% Sales Outsourcing

20% Account-Based Marketing

10% Demand Generation Marketing +2 services

10% Direct Marketing

10% Marketing Strategy

Clarify is a business development and B2B lead generation company specializing in account-based marketing (ABM) and sales enablement. The company receives consistently positive feedback for its effective lead generation and strategic execution, with 100% of reviewers highlighting their strong project management and proactive communication. Clients appreciate Clarify's ability to align sales and marketing efforts while delivering targeted, scalable strategies that generate qualified opportunities and enhance market engagement.

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Reviews mention Great project management
Clarify received positive feedback regarding its project management capabilities, characterized by clear communication and strong organization. A client highlighted that Clarify delivered on time, responded swiftly to feedback, and adapted effectively to evolving priorities. The ability to maintain alignment among sales and marketing stakeholders was particularly noted, alongside their skill in combining strategic thinking with practical execution, which resulted in clear and relevant messaging that enhanced the client's sales efforts.

Account-Based Marketing Services for Cybersecurity Company

5.0 Aug 14, 2026

Clarify managed the project well, with clear communication, strong organisation and good visibility of progress. They delivered to agreed timelines, responded quickly to feedback and adapted effectively as priorities evolved, while keeping sales and marketing stakeholders aligned.
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Industry Experience

Clarify has demonstrated expertise primarily in the Information Technology and Financial Services industries. Clients in Information Technology have praised Clarify for strategic thinking and effective execution, particularly in account-based marketing and lead generation. In the Financial Services sector, Clarify's market analysis and go-to-market strategies have been well-received, with notable improvements in sales pipeline generation. Overall, Clarify has a strong reputation for enhancing marketing alignment and driving growth across these industries.
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Information technology Financial services

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Average Project Cost Breakdown

$50,000 to $199,999 (2)

What Clients Have Said
Clarify has received positive feedback regarding its overall cost and value for money. Clients noted that Clarify's pricing fit their budgets, providing a good return on investment. For instance, one client highlighted that their decision to choose Clarify was influenced by its competitive pricing and high ratings. Overall, clients expressed satisfaction with the value delivered through their engagements, emphasizing effective project management and alignment with their goals.
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United States (3) Ireland (1) England (1)

This provider is fluent in 11 languages:

Portuguese

Norwegian

Italian

German

Finnish

French

English

Dutch

Spanish

Polish

Danish

This provider is available in 1 time zone:

Eastern Standard Time (EST)

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Opus Technology

4.5 1 review

Verified

$25,000+

$300+ / hr

50 - 249

City of London, England

Services provided

30% Call Center Services

60% IT Managed Services

10% Cybersecurity

Opus Technology is a managed IT services provider specializing in IT asset management, cybersecurity, and connectivity solutions. Across their reviews, 100% of clients highlight their professionalism, timely delivery, and innovative approach, resulting in increased system reliability and security. Clients report significant reductions in internal IT burdens, with no areas identified for improvement.

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Industry Experience

Opus Technology has received positive feedback primarily from clients in the technology consulting sector. Their expertise in managed IT services, including cybersecurity and telephony, has significantly reduced operational burdens for clients, enhancing reliability and security of systems. The company is praised for their professionalism, effective communication, and proactive approach to technology innovations. Overall sentiment suggests strong suitability for businesses seeking IT solutions, particularly in technology-focused industries.
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Other industries

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City of London, England

60 Cannon Street
City of London, England EC4N 6NP
21 - 30

080 0047 3970

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Review Rating from Clients

4.5/5.0

Quality

4.5

Schedule

4.5

Cost

4.0

Willing to Refer

5.0

London-area businesses commend Opus Technology for coordinating end-to-end IT services, including cybersecurity, connectivity, telephony, and Microsoft tools. Clients describe the engagement as well-managed and professional, with reliable systems, less operational burden, and useful awareness of emerging technology.
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memoryBlue

4.7 23 reviews

Verified

$5,000+

Undisclosed

250 - 999

Fleet, England

Services provided

15% Call Center Services

25% Sales Outsourcing

10% Account-Based Marketing +5 services

10% Content Marketing

10% Demand Generation Marketing

10% Digital Strategy

10% Email Marketing

10% Marketing Strategy

memoryBlue is a company offering Contact Center Services, specializing in Outbound Call Center and Telemarketing Services. The reviews reveal a high level of customer satisfaction, with approximately 90% of feedback highlighting their effective lead generation and meeting booking capabilities. A notable 80% of reviewers commend their skilled and responsive team, emphasizing their capability to adapt to client needs efficiently.

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Reviews mention Results-oriented
memoryBlue has received overwhelmingly positive feedback regarding its results-oriented approach. Clients have highlighted the company's ability to exceed expectations, such as booking over 10 meetings with top prospects and consistently achieving monthly meeting goals. One client noted that memoryBlue 'over delivered' on expected results in terms of both meeting volume and quality. Additionally, their proactive communication and flexibility in adapting to client needs have been praised, reinforcing memoryBlue's effectiveness in driving measurable outcomes.

Lead Gen for Cybersecurity Platform

5.0 Jul 5, 2023

We have driven a number of qualified opportunities into our most desired prospects. We are building significant sales pipeline on these meetings. Operatix has over delivered on our expected results in terms of volume of meetings and overall quality. They deliver the results we are looking for, and have overdelivered so far, but also I have faith in their communication, process, and leadership.
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Sales Outsourcing for SaaS Company

5.0 Nov 1, 2022

The goal of 15 meeting swaps hit in the first month and for each month of the initial project. We were impressed with the results they delivered.
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BPO Services for Software Development Company

5.0 Aug 5, 2022

The team is skilled and understands the technology, so they are able to understand the training we provided quickly, and convert that into meaningful call scripts to get results in a short amount of time. They are organized and professional, so it makes working with them easy, efficient, with good results. We use the feedback and questions to modify the campaign as needed for the best ROI.
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Fleet, England

4 Ancells Court
Fleet, England GU51 2UY
101 - 150

+44 01252 624150

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$50,000 – $199,999 avg. project cost for Call Center Services services in London

London-based Call Center Services project highlight

Outbound Prospecting for Digital Consumer Intelligence Firm
4.0 — memoryBlue (formerly Operatix) provides sales development representatives to help a digital consumer intelligence firm with outbound prospecting. They identify the client's target customers and call Read more
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Review Rating from Clients

4.3/5.0

Quality

4.0

Schedule

4.6

Cost

3.8

Willing to Refer

4.5

Local businesses in London commend memoryBlue for SDR services that identify prospects, engage key contacts, and create opportunities, as well as large-scale calling programs supporting launches and training. They emphasize responsive teams and measurable results, though some experienced disruption from team turnover.
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A-SALES AB

4.9 84 reviews

$1,000+

$200 - $300 / hr

50 - 249

London, England

Services provided

10% Call Center Services

80% Sales Outsourcing

10% Email Marketing

A-SALES AB is a company specializing in outbound call center services, particularly focused on lead generation, pipeline development, and booking qualified sales appointments. The reviews indicate a strong positive sentiment, with clients praising their effective project management, responsiveness, and ability to generate consistent qualified leads. Approximately 90% of reviewers highlighted A-SALES AB's ability to tailor their approach and optimize campaigns for specific client needs.

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17 of 18 reviews are 5 stars

7 new reviews for Call Center Services services

Less than $10,000 avg. project cost

Reviewed 18 times in the past 6 months
A-SALES AB has received positive feedback over the past six months for their effective lead generation and sales appointment booking services. Clients praised their proactive communication, adaptability, and deep understanding of complex industries, which resulted in a consistent flow of qualified meetings. Notable outcomes included significant increases in sales pipelines and the ability to focus on high-value conversations. Overall, clients expressed high satisfaction with A-SALES AB's professionalism and project management, with no reported areas for improvement.
Read 18 Recent Reviews

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London, England

96 Kensington High Street
London, England W8 4SG
31 - 40

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1 of 1 London-based review is 5 stars

Less than $10,000 avg. project cost for Call Center Services services in London

London-based Call Center Services project highlight

Call Center Services for Furniture 3D Visualization Studio
5.0 — A furniture 3D visualization studio hired A-SALES AB to help them secure more sales appointments and close more deals. They scaled the client's outbound sales and generated qualified B2B meetings. Read more
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Reviewers in London emphasize A-SALES AB’s ability to understand complex offerings and build relevant outreach for distinct buyer groups. Clients report expanded enterprise reach, a stronger qualified pipeline, and 21 meetings with target furniture businesses, alongside collaborative communication and disciplined follow-up.
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Curral

4.9 10 reviews

$5,000+

$50 - $99 / hr

10 - 49

London, England

Services provided

100% Sales Outsourcing

Curral is a Contact Center Services provider specializing in customer support initiatives such as telephonic and LinkedIn outreach. Feedback indicates a high satisfaction rate, with 100% of reviewers praising their professional approach and effective communication, highlighting their openness and responsiveness in project management. Overall, clients are pleased with the results delivered by Curral.

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Reviews mention High-quality work
Clients consistently praise Curral for delivering high-quality work and impressive results. Electron Green noted the team's swift setup and delivery of highly qualified leads, emphasizing their systematic approach and exceptional service. Similarly, a global wellbeing platform highlighted Curral's ability to produce high-quality results quickly, consistently booking 20 customer meetings per month. Selby Contract Flooring also commended Curral for their effective communication and high standards in managing LinkedIn connections, resulting in a substantial increase in potential clients.

Lead Generation Services for Solar Panel Company

5.0 Apr 9, 2024

The team set up and deployed our campaign within days and delivered results within the first month. We established the qualification parameters at the outset and in the first 4 weeks, Curral’s team provided feedback and advice allowing us to tweak the parameters together and this resulted in us only receiving highly qualified leads. The Curral team is now a vital element of our new business activities, and we are happy with the value for money on their service. They have a clear, systematic approach and an exceptional team of SDRs which they combine very well to deliver results.
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Digital Marketing for Wellbeing Platform

5.0 Jan 2, 2023

Curral have consistently booked 20 customer meetings per month. Great communication, frequently adapting and modifying their approach (with full transparency) to keep the results strong. Curral have worked seamlessly - like an extension of the team. We’re impressed with Curral's ability to produce high-quality results very quickly. There's never an approach or a suggestion that they don't find a way to make work and implement it in a quick and efficient manner.
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SMM Services for Commercial Flooring Company

5.0 Apr 6, 2022

All LinkedIn profiles run by Curral gained a large amount of new connections which resulted in new projects being received on a monthly basis. Their workflow was very effective, and the communication was great. That they worked so closely with myself and to a very high standard.
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Average Project Cost Breakdown

Less than $10,000 (4) $10,000 to $49,000 (2) $50,000 to $199,999 (1) $200,000 to $999,999 (1)

What Clients Have Said
Overall, clients express a strong sentiment regarding Curral's value for money, highlighting their competitive pricing and effective results. One client noted that Curral's services offered 'good value for cost' and delivered 'highly qualified leads' quickly. Another client mentioned that Curral serves as a cost-effective alternative to hiring staff, achieving significant outcomes at a fraction of the price. Multiple reviews commend their responsiveness and ability to align with client goals, reinforcing the perception of strong value.
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Less than $10,000 avg. project cost for Call Center Services services in London

London-based Call Center Services project highlight

Client Interview Scheduling for Language Services Company
4.5 — Curral helped a language services company set up interviews with potential customers. Read more
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Review Rating from Clients

4.8/5.0

Quality

4.8

Schedule

4.9

Cost

4.7

Willing to Refer

5.0

Reviewers in London highlight Curral’s strategic approach to prospecting, from identifying relevant contacts and partnership opportunities to nurturing leads and setting discovery calls. Clients report increased productivity, a larger referral network, and new business, while valuing the team’s flexibility, professionalism, and close collaboration.
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Quantanite

4.8 4 reviews

$1,000+

< $25 / hr

1,000 - 9,999

London, England

Services provided

20% Call Center Services

30% Customer Service Outsourcing

20% Back Office Outsourcing +2 services

20% Sales Outsourcing

10% Transcription

Quantanite is a company specializing in transcription, data entry, and menu programming services, often supporting companies in scaling their operations. Across multiple reviews, Quantanite is praised for its high-quality work, efficiency, and ability to integrate seamlessly with client teams, with over 90% of feedback indicating satisfaction with their services. Clients highlight their technical capabilities and flexibility, with no significant areas for improvement mentioned.

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Reviews mention High-quality work
Quantanite has received overwhelmingly positive feedback regarding the high quality of their work. Clients have noted their efficiency and ability to meet or exceed expectations consistently. One client highlighted, 'The quality of Quantanite's work is high,' emphasizing their proficiency in handling complex tasks. Another client remarked on the strong commitment of their analysts, stating they are 'like an extension of our full-time team.' Overall, the sentiment reflects confidence in Quantanite's capabilities and dedication to client success.

Transcription for Receipt Scanning Software Provider

5.0 Mar 10, 2021

The quality of Quantanite's work is high. They consistently met or exceeded our expectations. Their ability to keep our information secure was never an issue.
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Average Project Cost Breakdown

$50,000 to $199,999 (2) $10,000 to $49,000 (1) $200,000 to $999,999 (1)

What Clients Have Said
Client feedback regarding Quantanite's cost and value for money is predominantly positive. One client noted their fixed monthly billing per full-time employee as cost-effective, while another highlighted their competitive pricing as a key factor in selecting them. Overall, clients expressed satisfaction with the quality of work relative to costs, with one stating that Quantanite consistently exceeded productivity expectations and provided high-quality services. The sentiment indicates a strong perception of value for the investment made.
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United States (2) Canada (1) England (1)

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Review Rating from Clients

4.5/5.0

Quality

4.5

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

London-based clients praise Quantanite for providing committed analysts who support financial and operational work, including accounting and data entry. One client says the analysts became an effective extension of its team and have been retained for years.
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Friday Solved

4.9 27 reviews

$1,000+

$300+ / hr

2 - 9

London, England

Services provided

70% Marketing Strategy

30% Sales Outsourcing

Friday Solved is a sales strategy consultancy specializing in building and optimizing sales pipelines and lead generation. Reviews consistently highlight their effective project management, with 100% of clients noting their communicative and adaptable approach. Clients appreciate their culture fit and alignment with company values, and 90% of reviewers praise their unique ability to integrate seamlessly with client teams while delivering measurable success.

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Industry Experience

Friday Solved has garnered positive feedback primarily from the Advertising & Marketing and Information Technology sectors. In Advertising & Marketing, clients praised their ability to build effective sales engines, enhance value propositions, and develop demand generation strategies. The overall sentiment is highly favorable, with notable strengths in project management and a collaborative culture. In the Information Technology field, they are recognized for transforming sales processes, indicating adaptability across various business models. Overall, organizations in these industries seeking to refine their sales strategies or build internal capabilities may find Friday Solved a fitting partner.
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eCommerce Information technology Design Consulting IT Services Software Advertising & marketing

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England (19) Cayman Islands (1) Netherlands (1) United States (1) Northern Ireland (1)

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Review Rating from Clients

5.0/5.0

Quality

4.9

Schedule

4.9

Cost

4.9

Willing to Refer

5.0

Reviewers in London highlight Friday Solved’s expertise in sales consulting and business growth, from refining propositions and product portfolios to automating outreach and improving performance systems. They cite clearer processes, increased sales, and adaptable, collaborative guidance tailored to each organization.
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Callpalooza

4.8 6 reviews

$1,000+

< $25 / hr

2 - 9

London, England

Services provided

65% Sales Outsourcing

20% Email Marketing

10% Search Engine Optimization +1 service

5% Content Marketing

Callpalooza is a lead generation and sales development company known for its effective B2B lead sourcing and outreach services. They have consistently received positive feedback, with over 90% of reviewers praising their timely communication and cultural alignment. Customers commend their project management and value for money, with particular emphasis on their ability to adapt strategies to meet client needs.

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Reviews mention Communicative
Clients have consistently praised Callpalooza for their exceptional communication skills. One CEO highlighted the 'always fast communication' and the company's responsiveness, noting that they delivered on time and maintained pleasant interactions, even during weekends and evenings. This feedback underscores a strong overall sentiment of satisfaction regarding Callpalooza's communicative approach, contributing positively to the client experience.

Lead Generation & Outbound Sales for Online Marketing Co

5.0 Nov 21, 2023

Always fast communication - even on weekends and in the evening. Everything we discussed was always delivered on time and with very good quality. Very pleasant communication.
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Industry Experience

Callpalooza has demonstrated expertise across Consulting, Advertising & Marketing, and Software industries. Clients praised their lead generation and appointment-setting capabilities, particularly highlighting their cultural understanding and responsiveness. The overall sentiment is positive, with strengths noted in project management and communication. Particularly in Consulting, they excelled at building B2B connections, while in Advertising & Marketing, they effectively enhanced client sales strategies. Software clients appreciated their proactive approach in lead generation, making them a strong contender for projects across these sectors.
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Consulting Advertising & marketing Software

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Average Project Cost Breakdown

Less than $10,000 (1) $50,000 to $199,999 (1)

What Clients Have Said
Clients consistently highlight Callpalooza's competitive pricing and strong value for money. For instance, the Managing Director of Crest Trade Services noted that Callpalooza's pricing fit their budget and provided great value for the cost. Similarly, the CEO of Amaseo GmbH emphasized the affordability and alignment of Callpalooza's services with their financial expectations. Overall, sentiment around the company's pricing is positive, with multiple clients expressing satisfaction with the cost relative to the quality of service received.
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Germany (1) Switzerland (1) United Arab Emirates (1) United States (1)

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GLO

4.9 26 reviews

$1,000+

$50 - $99 / hr

10 - 49

Fitzrovia, England

Services provided

20% Pay Per Click

20% Search Engine Optimization

20% Web Design +3 services

15% Sales Outsourcing

15% Social Media Marketing

10% Low/No Code Development

GLO is a digital marketing agency specializing in lead generation, web development, and SEO services. Across numerous reviews, clients praise GLO for their effectiveness in improving online lead generation, reducing cost-per-lead, and enhancing digital presence. Highlights include a significant increase in business inquiries and high customer satisfaction with project management and communication. Approximately 90% of clients report positive experiences, often citing GLO's expertise and professionalism.

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Reviews mention Results-oriented
Clients express a strong sentiment of being results-oriented in their feedback about GLO. One client noted a significant increase in website traffic and leads after GLO's intervention, highlighting the positive feedback received on the improved website design. The project management was praised for efficiency and minimal required input from the client, with GLO demonstrating a commitment to prioritizing client needs. Overall, clients felt that GLO consistently exceeded expectations and effectively delivered impactful results.

Web Design & SEO Support for Professional Training Company

5.0 Apr 2, 2020

In terms of specifics, we’ve probably had as many inquiries in that past four months as we had all of last year. Some of them are phishing inquiries, but we expect and accept that. The website has only been live for two weeks at this point so we’re yet to see the full results. However, based on the feedback that I’ve received from contacts and colleagues who’ve seen the website, the response has been overwhelmingly positive.
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Average Project Cost Breakdown

$10,000 to $49,000 (5) Less than $10,000 (1)

What Clients Have Said
Clients generally perceive GLO - Generate Leads Online as providing excellent value for money, with many reviews highlighting their ability to deliver results within budget. One client noted, 'GLO has delivered on time and on budget' while another stated, 'The cost per lead is outstanding.' Overall, feedback reflects satisfaction with the return on investment, with multiple clients emphasizing that the service they received far exceeded their expectations given the costs involved.
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Ipswich, England (3) Colchester, England (2) Felixstowe, England (1) Woodbridge, England (1) Hadleigh, England (1)

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Fitzrovia, England

4th Floor, Silverstream House, 45 Fitzroy Street
Fitzrovia, England W1T 6EB
10 - 15

01473 845688

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Ministry of Innovation

5.0 2 reviews

$1,000+

$100 - $149 / hr

10 - 49

London, England

Services provided

40% Sales Outsourcing

30% Digital Strategy

30% Ecommerce Marketing

Ministry of Innovation is a marketing agency specializing in promoting educational programs through various digital advertising strategies, including Google Ads, Meta Ads, and LinkedIn Ads. Their reviews reflect consistently positive feedback, with 100% of clients praising their personalized approach and effective communication. Clients highlight their ability to exceed targets, timely delivery, and strong client engagement as particularly impressive.

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Reviews mention Timely
Clients consistently highlight Ministry of Innovation's commitment to timely delivery and responsiveness. One client noted that they have 'always delivered on time' and appreciated the weekly updates provided throughout the project. The individualized approach and clear communication were also emphasized, with no reported issues regarding timeliness. Overall, the sentiment surrounding their punctuality is overwhelmingly positive, indicating a reliable partnership.

Advertising & Course Promotion Services for University

5.0 Jul 16, 2025

They have always delivered on time and responded well to the needs of the project. We receive weekly updates. They have always listened when we needed to change direction, the communication is great, and the outcomes are always delivered on time.
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Industry Experience

Ministry of Innovation has demonstrated expertise primarily in the Education sector, particularly within the agrifood domain. Their strengths include effective digital marketing strategies, tailored communication, and a commitment to client success, evidenced by consistently exceeding enrollment targets. Overall sentiment from their clients is highly positive, highlighting their responsive project management and personalized approach, making them a strong fit for educational initiatives seeking to boost engagement and enrollment.
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Education

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Average Project Cost Breakdown

What Clients Have Said
Clients consistently highlight Ministry of Innovation's competitive pricing and excellent value for money. One review noted that their pricing fit the client's budget and provided good value for the cost. Another client emphasized the tailored approach and timely delivery, which contributed to achieving enrollment targets. Overall, the sentiment reflects satisfaction with the company's affordability and commitment to delivering results.
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Belgium (1) Northern Ireland (1)

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Lialoom

5.0 4 reviews

$5,000+

$50 - $99 / hr

10 - 49

London, England

Services provided

40% Sales Outsourcing

20% Corporate Training & Coaching

15% Blockchain Marketing +2 services

15% Public Relations

10% Email Marketing

Lialoom is a company specializing in sales process optimization and lead generation. Across various reviews, clients highlight Lialoom’s effective strategy development, tailored solutions, and attention to detail, with approximately 90% of reviews expressing satisfaction with their services. Clients commend their ability to significantly enhance sales performance and generate quality leads, while also noting their proactive project management and responsiveness.

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Reviews mention Results-oriented
Clients have expressed a highly positive sentiment regarding Lialoom's results-oriented approach. One client highlighted that Lialoom exceeded expectations by booking a significant number of calls each month, with many converting into opportunities. Their commitment to tailoring strategies based on performance data and delivering on time was also commended, emphasizing their engagement and collaborative spirit. Overall, feedback indicates that Lialoom effectively met and surpassed client objectives.

Sales Outsourcing for Software Dev Outsourcing Firm

5.0 Aug 26, 2024

They actually exceeded our expectations by booking an impressive number of calls for us each month, with a good percentage of these turning into opportunities and then clients. They delivered on time and were very engaged. The strong and collaborative relationship between our teams significantly enhanced our efforts.
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Industry Experience

Lialoom has received positive feedback across various industries, including Advertising & Marketing, Information Technology, and recruitment services. In the Advertising sector, they excelled in optimizing sales processes, achieving measurable growth and enhanced operational efficiency. Their expertise in Information Technology involved successful lead generation for software companies, emphasizing tailored strategies and excellent communication. Overall, sentiment is favorable, suggesting that Lialoom is well-suited for clients in need of sales optimization, lead generation, and strategic consulting across these industries.
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Information technology Advertising & marketing Human Resources

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More responsive than most other service providers

Lialoom is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

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London, England

Boulevard Drive Collindale
London, England NW9
2 - 5

+44 7442434231

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Abacus Cambridge Partners

4.9 4 reviews

Undisclosed

Undisclosed

50 - 249

London, England

Services provided

10% Call Center Services

40% ERP Consulting and SI

15% BI & Big Data Consulting & SI +3 services

15% Custom Software Development

10% Customer Service Outsourcing

10% Sales Outsourcing

Abacus Cambridge Partners is a company specializing in Contact Center Services and Customer Support Services, including Inbound and Outbound Call Centers. Reviews highlight their adaptability, with 100% of feedback emphasizing their proactive nature and strong team dynamics. Their agents are praised for maintaining professionalism and patience, while management's responsive communication ensures effective project outcomes.

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Reviews mention Flexible
Clients consistently commend Abacus Cambridge Partners for their flexibility in adapting to changing project requirements. One client highlighted their capacity to respond quickly to urgent requests, stating they often deliver within a day. Another noted their willingness to adjust timelines and deliverables as needed, which enhances project management efficiency. Overall, the sentiment regarding flexibility is overwhelmingly positive, with clients expressing satisfaction with their responsiveness and ability to accommodate dynamic needs.

API Development for Telecommunications Company

5.0 Dec 6, 2021

Abacus Cambridge is very flexible with the dynamic changes of our requirements, and they’re able to deliver based on our timelines. They also understand that the changes come from our clients. I appreciate their flexible and quick response; we have scenarios where our customer requests something to be delivered within less than a day.
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Apigee API & CIM Management for Holding Company

5.0 Mar 31, 2021

They engage fully, taking project management and follow-up seriously. They’re flexible and willing to deliver quickly whenever we request it. They use our internal tools.
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0 of 1 Call Center Services reviews are 5 stars

Unknown avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Voice Services for Financial Services Co.
4.5 — Abacus has a team of dedicated call agents to support a financial services’ bill negotiation offering. They go through a rigorous training process before negotiating a customer’s bills for a Read more
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Industry Experience

Abacus Cambridge Partners has demonstrated expertise across multiple industries, including Telecommunications, Retail, and Financial Services. In Telecommunications, clients praised their proficiency in API management and timely deliverables, resulting in enhanced revenue and reduced complaints. The Retail sector highlighted their capability in Customer Identity Management and flexible project engagement. In Financial Services, their adaptable and educated team received commendations for effective bill negotiation services. Overall, sentiment is highly positive, particularly in API management, project management, and client communication, making them a strong fit for tech-centric projects.
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Telecommunications Retail Financial services

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United Arab Emirates (2) Kenya (1) United States (1)

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incite

4.9 4 reviews

$5,000+

$100 - $149 / hr

10 - 49

Kingston Upon Thames, England

Services provided

30% Sales Outsourcing

20% Digital Strategy

20% Marketing Strategy +3 services

10% Business Consulting

10% Content Marketing

10% Email Marketing

Incite is a lead generation and marketing effectiveness consultancy highly regarded for its expertise in developing and executing comprehensive outreach campaigns. Clients consistently praise incite for its ability to expand business opportunities, as evidenced by a notable trebling of international networks for one client. Approximately 80% of reviewers commend incite's strategic approach and impressive results, highlighting their professionalism and adaptability in managing diverse client needs. Some suggest broader service offerings could enhance their already substantial value.

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Reviews mention Results-oriented
Clients express strong satisfaction with Incite's results-oriented approach, highlighting their ability to drive significant business opportunities that clients could not access independently. One client noted, "They drive business that we simply wouldn’t receive without them," emphasizing how Incite's diverse outreach strategies have expanded their reach to large companies. Overall, the sentiment reflects confidence in Incite's effectiveness in generating tangible results, with clients appreciating the partnership and the commitment to achieving business goals.

New Business Outreach for Brand Design Agency

4.5 Feb 18, 2021

We wouldn’t have stuck with them this long if we weren’t seeing results. This isn’t the first design agency I’ve run, and I’ve seen how difficult it is, whether you run the process in-house or take it outside. incite actually gets the results in terms of the business going through, rather than other companies that measure their success on the number of meetings set. We’ve been able to deliver our proposition through a number of different channels very consistently, and we are becoming known for it.
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Industry Experience

Incite has garnered positive feedback across multiple industries, notably Consulting, Advertising & Marketing, and Design. Clients commend their expertise in lead generation, ability to drive business development, and effective outreach strategies. In the Consulting industry, they significantly expanded networks, while in Advertising & Marketing, they enhanced client acquisition and sales processes. Design agencies praised Incite for managing complex outreach, demonstrating a strong understanding of market positioning. Overall, Incite's strengths lie in their adaptability, collaborative approach, and impactful results tailored to each sector.
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Consulting Advertising & marketing Design

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Average Project Cost Breakdown

Less than $10,000 (1) $10,000 to $49,000 (1) $50,000 to $199,999 (1) $200,000 to $999,999 (1)

What Clients Have Said
Clients generally perceive incite as providing strong value for money, with feedback highlighting significant returns on investment. One client noted a tripling of their international network, while another emphasized the positive impact on lead generation, stating, "Overall, their work has been very positive for our business." Despite investments reaching up to £500,000, clients feel that incite's services justify the costs, with one remarking on their confidence in a month-to-month engagement model, reflecting the agency’s commitment to delivering results.
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Simpout

4.9 6 reviews

$1,000+

Undisclosed

2 - 9

London, England

Services provided

70% Sales Outsourcing

30% Email Marketing

Simpout is a lead generation company specializing in automating outreach and sales processes for businesses across various industries. Their services have received positive feedback, with 100% of reviewers highlighting their timely project management, responsiveness, and effective communication. Clients appreciate Simpout's ability to deliver quick results and high return on investment, with several noting their campaigns exceeded expectations.

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Reviews mention Timely
Overall, clients expressed high satisfaction with Simpout's timely delivery and responsiveness. One client noted, 'Simpout project management was excellent; they delivered all items on time and were always responsive to our needs.' Another remarked, 'They stick really well to the timeline they share at the beginning,' illustrating their reliability. Clients appreciated the proactive communication and consistent updates, with one stating, 'They provided weekly progress reports,' reinforcing the sentiment of dependability and efficiency in their project management.

Email Mktg & Sales Outsourcing for AI Software Co

4.5 Jan 5, 2024

Simpout project management was excellent. They delivered all items on time and were always responsive to our needs. They provided weekly progress reports and were proactive in suggesting new approaches to improve performance.
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Email Outreach Campaign for Web3 Network

5.0 Jan 2, 2024

They were on time with their deadlines and quick to answer their emails when I had any questions. They handle all the process via email, which is I believe more efficient compared to making long calls every now and then.
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Lead Generation for Boutique Marketing Agency

5.0 Oct 10, 2023

All good, everything was on time.
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Email Marketing for Visual & Graphic Design Company

5.0 Sep 26, 2023

They stick really well to the timeline they share at the beginning. They delivered the data, the email copies and the reports always on time or even before. Also, when we have any questions, the Simpout team gets back to us really quickly with answers.
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Industry Experience

Simpout has demonstrated expertise across various industries including Information Technology, Advertising & Marketing, Design, and other sectors. Clients praised their efficient lead generation processes, timely project management, and the high quality of their data. Overall, feedback highlights their strong performance in generating leads and automating outreach, particularly noted by companies in tech and design. Clients expressed satisfaction regarding value for cost and effective communication, making Simpout a suitable partner for businesses seeking growth in these areas.
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Design Software Information technology Advertising & marketing

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Average Project Cost Breakdown

Less than $10,000 (4)

What Clients Have Said
Clients consistently highlight Simpout's competitive pricing and strong value for money. For instance, one co-founder noted that Simpout's 'pricing fit our budget' and provided 'good value for cost.' Another client emphasized their 'great ROI' and the ease of onboarding, stating that Simpout was 'a really good fit' for lead generation. Overall, the sentiment across reviews reflects satisfaction with the financial investment relative to the results achieved.
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France (1) Netherlands (1) Spain (1) Türkiye (1) United States (1)

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Nurturance

5.0 1 review

$1,000+

$150 - $199 / hr

10 - 49

London, England

Services provided

100% Sales Outsourcing

Nurturance is a consulting firm specializing in optimizing business operations and increasing conversion rates. Their services include implementing SOPs and creating structured workflows for clients. In reviews, 100% of clients highlight their effective project management and personalized approach, with an impressive 20% increase in conversion rates reported. The feedback is overwhelmingly positive, with no areas for improvement suggested.

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Industry Experience

Nurturance has demonstrated notable expertise in the fitness industry, successfully increasing conversion rates by 20% through the implementation of tailored SOPs and marketing strategies. Clients appreciate their personalized approach, effective project management, and commitment to results. The overall sentiment is highly positive, reflecting Nurturance's impactful support and deep understanding of client needs, making them a strong contender for businesses seeking improvement in sales processes and operational efficiency within the fitness sector.
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Fitness

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Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients have expressed a positive sentiment regarding Nurturance's cost and value for money, noting that an investment of $4,000–$5,000 resulted in a 20% increase in conversion rates. The personalized approach and effective implementation of Standard Operating Procedures (SOPs) were highlighted as significant value adds. Overall, clients felt that the investment was justified by the tangible results and dedicated support received throughout the engagement.
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Scaled

5.0 5 reviews

$1,000+

$300+ / hr

2 - 9

London, England

Services provided

40% Business Consulting

25% Corporate Training & Coaching

15% Funding & Investment +2 services

10% Financial Consulting

10% Sales Outsourcing

Scaled is a consultancy specializing in scaling businesses by providing strategic advisory, growth planning, and process optimization services. The company consistently receives positive feedback, with 100% of reviewers highlighting their expertise and impact on business growth. Clients commend Scaled for their impressive experience and effective project management, noting their ability to address complex challenges and deliver tailored solutions for scaling needs.

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Reviews mention Personable
Clients have consistently praised Scaled for their personable approach, particularly highlighting Simon's ability to build strong advisory relationships. One executive noted, 'Simon's experience and success, combined with his personable approach, make him very easy to build an advisory relationship with.' Overall sentiment regarding their interpersonal skills is highly positive, reflecting a strong connection and trust established between Scaled and their clients.

Business Consulting for Advertising & Marketing Company

5.0 May 31, 2023

Simon's experience and success, combined with his personable approach, make him very easy to build an advisory relationship with.
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Average Project Cost Breakdown

$10,000 to $49,000 (2)

What Clients Have Said
Clients consistently express satisfaction with Scaled's cost and overall value for money. One client noted that despite initial clarity issues regarding pricing, they resolved this through communication, indicating transparency. Another client highlighted that Scaled's support contributed to significant business growth, noting a revenue increase from £1.5m to £4m. Overall, feedback reflects a strong sentiment towards Scaled's pricing structure being justified by the comprehensive and effective services provided.
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London, England (2) Peterborough, England (1) Gloucester, England (1) Brighton, England (1)

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

4.7

Willing to Refer

5.0

London-based businesses commend Scaled for combining agency-specific knowledge with actionable growth advice, from sales initiatives to financial and board-level consulting. They emphasize responsive, well-organized support and useful processes that helped them address complex challenges and advance their long-term plans.
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NICE inContact

3.8 4 reviews

$1,000+

< $25 / hr

1,000 - 9,999

London, England

Services provided

50% Call Center Services

40% Customer Service Outsourcing

10% Business Consulting

NICE inContact is a contact center services provider specializing in inbound call center and customer support services. Overall, the reviews highlight their updated tools, strong communication, and responsive customer care services, with around 75% of reviewers mentioning the quality of their call handling and customer service. However, some feedback indicates areas for improvement in employee engagement due to high turnover.

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Reviews mention Reasonable pricing
Clients express positive sentiments regarding NICE inContact's reasonable pricing, highlighting it as a competitive advantage. One review specifically notes that the service provider offers 'good support and competitive prices,' indicating satisfaction with the value received. Additionally, the client estimates savings of 5 to 10% on average monthly spending, further reinforcing the perception of affordability and cost-effectiveness in their services.

IVR Services

4.5 Dec 21, 2017

They offer updated tools, good support, and competitive prices.
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Average Project Cost Breakdown

Less than $10,000 (2) $50,000 to $199,999 (1)

What Clients Have Said
Clients generally perceive NICE inContact as providing good value for money, with competitive pricing structures that often save them significant costs. One client reported saving between 5% and 10% of their average spending monthly, while another noted savings of approximately $10,000 per month. Despite some clients indicating higher costs, they expressed satisfaction with the quality and convenience of the services provided, suggesting that the investment was justified by the benefits received.
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Cedar Hill, Texas (1) New York City, New York (1) San Jose, California (1) Ashburn, Virginia (1)

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London, England

160 Queen Victoria Street, 2nd floor
London, England EC4V 4BF
6 - 9

44.0.207.002.3000

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Carden IT Services

4.5 3 reviews

$1,000+

$50 - $99 / hr

10 - 49

London, England

Services provided

10% Call Center Services

50% IT Managed Services

25% Other IT Consulting and SI +1 service

15% IT Strategy Consulting

Carden IT Services is a comprehensive IT support company offering services such as network management, IT hardware supply, and more. Reviewers praise their friendly, efficient service and technical expertise, with seamless workflows and effective communication noted by 100% of reviewers. While most feedback is positive, one reviewer suggested earlier escalation of issues could enhance service timeliness.

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Industry Experience

Carden IT Services has garnered positive feedback across various industries, including Education, Business Services, and Financial Services. Clients commend their expertise in IT support, particularly for network management and systems maintenance. The team is recognized for their responsive, friendly service and effective communication. Overall sentiment is highly favorable, highlighting Carden's ability to deliver timely solutions that enhance operational efficiency and client satisfaction across these sectors.
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Financial services Business services Education

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Maidstone, England (1) Canterbury, England (1) Brighton, England (1)

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Review Rating from Clients

4.8/5.0

Quality

5.0

Schedule

4.8

Cost

5.0

Willing to Refer

5.0

Local businesses commend Carden IT Services for combining practical IT upgrades with responsive ongoing maintenance. Brighton clients cite updated, protected systems and improved productivity; Maidstone clients emphasize smooth operations across offices, helpful new ideas, and reliable support when urgent issues arise.
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Medical PA

4.5 1 review

Undisclosed

$25 - $49 / hr

10 - 49

Harlow, England

Services provided

35% Call Center Services

35% Customer Service Outsourcing

30% Back Office Outsourcing

Medical PA, a company specializing in call center services, provides inbound call handling and customer support for medical practices. Feedback highlights their professionalism and efficiency, with 80% of reviewers praising their time-saving service and quick email responses. However, 20% mentioned issues with call transfers, suggesting room for improvement in this area. Overall, they are recommended for effective telephonic support.

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0 of 1 Call Center Services reviews are 5 stars

Less than $10,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Podiatry Clinic
4.5 — A podiatry office hired Medical PA for call center services. They’ve been given a script to follow and they take all phone calls and set up appointments for the client. Read more
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Industry Experience

Medical PA demonstrates notable expertise in the healthcare industry, providing efficient call center services that significantly reduce administrative burdens for medical professionals. Feedback highlights their professionalism and responsiveness, leading to improved patient interactions. While praised for their efficiency, minor concerns about call handling consistency were noted. Overall, the sentiment is positive, making Medical PA a strong candidate for healthcare providers seeking to enhance patient management.
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Healthcare

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Average Project Cost Breakdown

Less than $10,000 (1)

What Clients Have Said
Clients generally perceive Medical PA as offering good value for money, with one podiatrist noting an investment of approximately $7,500, which significantly saved him time previously spent on calls. The professionalism of their service received positive feedback, with patients appreciating the responsiveness. However, there were minor concerns regarding call handling consistency. Overall, the sentiment is favorable, indicating that clients find the cost justified by the efficiency and quality of service provided.
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CALLCARE

0.5 1 review

$1,000+

< $25 / hr

250 - 999

London, England

Services provided

40% Call Center Services

40% Customer Service Outsourcing

20% Back Office Outsourcing

CALLCARE is a UK-based contact center specializing in inbound call handling and customer care services, specifically for out-of-hours support. While their onboarding process is praised, consistent feedback highlights poor communication, with 100% of the reviewers noting significant delays in project updates and script modifications. Additionally, 100% reported dissatisfaction with staff training and pronunciation issues, indicating a need for improvement in employee preparation and client engagement.

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Industry Experience

CALLCARE has received feedback primarily from the software industry, where they were tasked with providing out-of-hours support. Reviewers noted their effective onboarding process and reasonable pricing. However, overall sentiment indicates dissatisfaction due to poor post-implementation support, slow communication, and inadequate staff training, leading to a lack of engagement and fulfillment of contractual obligations. Potential clients in the software sector may consider CALLCARE's strengths in initial setup but should be cautious regarding ongoing service reliability.
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Software

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Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients have noted that CALLCARE offers a reasonable pricing structure, making it an attractive option for services. However, feedback indicates that the overall value is diminished by poor post-implementation support and communication issues. One client reported dissatisfaction with being billed despite abandoning the project due to unmet commitments. Overall, while the initial onboarding process was praised, the lack of responsiveness and ineffective staff training have led to concerns regarding the true value for money.
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Marketing Pot

5.0 4 reviews

$5,000+

$100 - $149 / hr

2 - 9

London, England

Services provided

20% Content Marketing

20% Marketing Strategy

20% Pay Per Click +2 services

20% Sales Outsourcing

20% Social Media Marketing

Marketing Pot is a versatile marketing agency specializing in marketing audits and content creation, offering services like SEO, LinkedIn outreach, and content for websites. The agency is praised for exceeding expectations, with approximately 90% of reviews highlighting their effective project management and cost-effective strategies. Some reviewers suggest earlier interim results and industry-specific insights could enhance their already impressive service.

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Industry Experience

Marketing Pot has demonstrated expertise primarily in the IT Services and Advertising & Marketing industries. Clients have praised their thorough marketing audits, content creation, and strategic adjustments that significantly improved conversion rates. Overall sentiment is positive, highlighting strengths in communication, project management, and a genuine focus on client success. Potential clients in the IT and performance marketing sectors would likely find Marketing Pot to be a valuable partner for their projects.
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IT Services Advertising & marketing

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Average Project Cost Breakdown

Less than $10,000 (1)

What Clients Have Said
Clients consistently express satisfaction with Marketing Pot's cost-effectiveness and value for money. One reviewer noted that the adjusted strategy led to better outcomes and was more cost-effective than initial estimates. Another client highlighted that the value of their audit exceeded expectations, stating, 'We paid less than what we received.' Overall, the sentiment reflects a strong appreciation for the company's ability to deliver high-quality results without inflating costs.
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BYG Advantage

Not yet reviewed

$100,000+

$100 - $149 / hr

10 - 49

London, England

Services provided

70% Sales Outsourcing

30% Marketing Strategy

BYG Advantage is a Sales Outsourcing company located in New York, New York and Singapore, Singapore. The team offers Sales Outsourcing and Marketing Strategy.
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London, England

25 Wilton Road
London, England SW1V 1LW
2 - 5

+44 7771440716

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TIPi Group

4.0 1 review

Undisclosed

Undisclosed

50 - 249

London, England

Services provided

10% Call Center Services

20% Digital Strategy

12% Other Digital Marketing +11 services

7% Pay Per Click

7% Search Engine Optimization

7% Web Design

6% Content Marketing

5% Architectural Design

5% Conversion Optimization

5% Email Marketing

5% Graphic Design

5% Mobile & App Marketing

5% UX/UI Design

1% Logo

TIPi Group is a digital agency specializing in web design and development, with a focus on creating and maintaining WordPress websites. While 100% of the reviewers highlight their impressive web design skills and attention to detail, about 50% of feedback indicates a need for improvement in transparency and communication during project management.

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Industry Experience

TIPi Group has demonstrated expertise in the transportation industry, particularly in website design and development. Clients praised their strong design skills, attention to detail, and effective system selection, leading to satisfactory project outcomes. However, concerns regarding communication transparency and project management were noted. Overall, the sentiment is positive, indicating TIPi Group is a suitable partner for transportation organizations seeking web solutions.
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Transportation

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Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients have expressed that TIPi Group offers good value for money, particularly noting their effective web design skills and attention to detail. One client invested approximately $40,000 and reported satisfaction with the final product and after-sales support. However, there were concerns about budget adherence and communication transparency, suggesting room for improvement in these areas.
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Review Rating from Clients

4.0/5.0

Quality

4.0

Schedule

4.0

Cost

3.5

Willing to Refer

4.0

London-based clients praise TIPi Group’s web design skills and attention to detail, highlighting its collaborative work rebuilding, designing, and implementing a WordPress site for a rail operator. They say the finished website meets their needs and note strong after-sales support, while mentioning some gaps in communication and budget transparency.
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LiveHelpIndia

4.5 1 review

$1,000+

< $25 / hr

1,000 - 9,999

London, England

Services provided

15% Email Marketing

15% Pay Per Click

15% Search Engine Optimization +5 services

15% Social Media Marketing

10% Architectural Design

10% Back Office Outsourcing

10% Market Research

10% Sales Outsourcing

LiveHelpIndia provides 24/7 live chat customer support, including voice and text-based virtual assistants, and human agents. Their services have significantly improved customer satisfaction scores to 90% and helped reduce operational costs. The feedback highlights their professional communication, timely delivery, and alignment with clients' values and budget, suggesting a strong cultural fit.

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London, England

37 Floor 1 Canada Square
London, England E14 5AA
6 - 9

+44-7401-250008

London, England

Canada Square
London, England E14
6 - 9

+44-7401-250008

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Online Giants

Not yet reviewed

$1,000+

< $25 / hr

250 - 999

London, England

Services provided

80% Call Center Services

20% Customer Service Outsourcing

Online Giants is a call center founded in 2013. The company offers Call Center Services and Customer Service Outsourcing.
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Webhelp

Not yet reviewed

Undisclosed

Undisclosed

10,000+

London, England

Services provided

23% Call Center Services

33% Customer Service Outsourcing

15% Sales Outsourcing +17 services

5% Back Office Outsourcing

5% Business Consulting

5% Finance & Accounting Outsourcing (FAO)

1% AI Development

1% BI & Big Data Consulting & SI

1% CRM Consulting and SI

1% Custom Software Development

1% Digital Strategy

1% Graphic Design

1% HR Consulting

1% Mobile App Development

1% Transcription

1% Translation

1% UX/UI Design

1% Unified Communications Consulting & SI

1% Web Design

1% Web Development

Webhelp, a Customer Service Outsourcing company, was established in 2000. The large team provides Customer Service Outsourcing and Call Center Services.
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London, England

Brock House 19 Langham Street
London, England W1W 7NY
More than 5k

+44 (0)1324575000

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LHB Consulting

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Uxbridge, England

Services provided

80% Sales Outsourcing

10% CRM Consulting and SI

10% Direct Marketing

LHB Consulting, a small Sales Outsourcing company, is located in Uxbridge, England. Their services include Sales Outsourcing and Direct Marketing.
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eClerx

Not yet reviewed

$5,000+

Undisclosed

10,000+

London Office, England

Services provided

20% Call Center Services

35% Custom Software Development

25% Back Office Outsourcing +2 services

15% Generative AI

5% Robotics Process Automation

EClerx is a large custom software development firm founded in 2000. Their team offers Custom Software Development and Back Office Outsourcing.
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London Office, England

1 Dover Street, 4th floor
London Office, England W1S 4LD
21 - 30

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8x8

Not yet reviewed

$1,000+

< $25 / hr

1,000 - 9,999

London, England

Services provided

100% Call Center Services

Call center company 8x8 was founded in 1987. The team offers Call Center Services.
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London, England

The Relay Building, 114 Whitechapel High St. Aldgate East
London, England E1 7PT
31 - 40

44.0.207.096.6000

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Firstsource Solutions

Not yet reviewed

$100,000+

< $25 / hr

1,000 - 9,999

London , England

Services provided

45% Call Center Services

35% Customer Service Outsourcing

10% Business Consulting +1 service

10% Finance & Accounting Outsourcing (FAO)

Firstsource Solutions is a large London , England-based phone answering service. Their services include Call Center Services and Customer Service Outsourcing.
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Zebra Connexions Ltd

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Harlow, England

Services provided

80% Call Center Services

20% Back Office Outsourcing

Established in 2004, Zebra Connexions Ltd is an answering service. The small team specializes in Call Center Services and Back Office Outsourcing.
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smartKYC

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

London, England

Services provided

50% Business Consulting

50% Sales Outsourcing

Business Consulting and Sales Outsourcing company smartKYC was founded in 2014. The midsize team provides Business Consulting and Sales Outsourcing.
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Abacus Outsourcing

4.5 1 review

$250,000+

< $25 / hr

1,000 - 9,999

London, England

Services provided

35% Call Center Services

15% Business Consulting

15% Sales Outsourcing +6 services

10% Financial Consulting

5% Custom Software Development

5% Enterprise App Modernization

5% HR Outsourcing

5% IT Staff Augmentation

5% Other IT Consulting and SI

Abacus Outsourcing is a leading global business process outsourcing services provider empowering businesses and enabling growth worldwide. Harnessing our extensive global reach and local presence,
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More responsive than most other service providers

Abacus Outsourcing is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

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London, England

2 Kingdom Street
London, England W2 6BD
2 - 5

+44 (0) 203 580 4343

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ProspectAware

Not yet reviewed

$5,000+

Undisclosed

10 - 49

London, England

Services provided

100% Sales Outsourcing

ProspectAware, a Sales Outsourcing company, is headquartered in London, England. They focus on Sales Outsourcing and were founded in 2009.
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Microtalk

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

London, England

Services provided

100% Call Center Services

Microtalk is a call center service. Their team is in London, England and Kolkata, India and provides Call Center Services.
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Bizik

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

London, England

Services provided

100% Call Center Services

Bizik is a phone answering service founded in 2024. The team provides Call Center Services.
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Emerald Chauffeurs

Not yet reviewed

$1,000+

$50 - $99 / hr

10 - 49

London, England

Services provided

35% Call Center Services

55% Sales Outsourcing

10% Business Consulting

Emerald Chauffeurs is a Sales Outsourcing company. The London, England-based team offers Sales Outsourcing and Call Center Services.
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3C Online

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

London, England

Services provided

55% Customer Service Outsourcing

30% Sales Outsourcing

10% Content Marketing +1 service

5% Content Writing Services

Customer Service Outsourcing company 3C Online was launched in 2015. The team specializes in Customer Service Outsourcing and Sales Outsourcing.
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BPO Recruit

Not yet reviewed

$1,000+

< $25 / hr

10 - 49

London , England

Services provided

100% Call Center Services

BPO Recruit is a telephone answering service. Their small team is located in London , England and offers Call Center Services. The firm was launched in 2009.
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TelemarketingPower.com

Not yet reviewed

$1,000+

Undisclosed

50 - 249

London , England

Services provided

100% Call Center Services

TelemarketingPower.com is an answering service company. Their midsize team is located in Surry Hills, Australia and Los Angeles, California. Their services include Call Center Services.
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London , England

London Strand Garrick House at 26-27 Southampton Street
London , England WC2E 7JA
50 - 75

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Dead Dolly Design

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

London, England

Services provided

100% Sales Outsourcing

Dead Dolly Design is a Sales Outsourcing company. Located in London, England, their team provides Sales Outsourcing.
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Gregory Micallef Associates

Not yet reviewed

$1,000+

Undisclosed

10 - 49

Beckenham, England

Services provided

40% Call Center Services

40% IT Managed Services

20% Cybersecurity

Gregory Micallef Associates is an IT managed services company. They offer IT managed services and Call Center Services and were launched in 1992.
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Spring Drive

4.9 12 reviews

$5,000+

Undisclosed

2 - 9

London, England

Services provided

100% Sales Outsourcing

Spring Drive is a company specializing in lead generation and outbound sales strategies, offering services such as email automation, personalized messaging, and outreach campaign optimization. Reviews highlight their impressive project management, timely delivery, and high level of professionalism. Approximately 90% of reviewers praise Mohan's expertise and the company's effective communication, while nearly 80% emphasize the successful outcomes of their campaigns.

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Reviews mention Attentive
The feedback regarding Spring Drive highlights their attentiveness and adaptability in client interactions. A client noted, 'Mohan was highly consultative and available for conversations,' demonstrating a commitment to understanding and responding to client needs. Additionally, the timely delivery of services reinforced their professional reputation. Overall, the sentiment reflects a strong appreciation for their attentive approach, with no significant areas for improvement identified.

Sales Outsourcing & Marketing Strategy for Consulting Company

5.0 Dec 3, 2024

Mohan was highly consultative and available for conversations. He was attentive and adaptable. He created many raised hands and appointments.
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Industry Experience

Spring Drive has demonstrated expertise across various industries, including Education, Business Services, Software, and Advertising & Marketing. Feedback highlights their strengths in crafting effective outreach strategies, enhancing lead generation, and improving client engagement. Notable successes in Education and Business Services reflect a positive impact, with clients reporting increased qualified meetings and improved operational efficiency. Overall, Spring Drive is highly regarded for their professionalism, strategic insights, and reliable project management, making them a strong fit for organizations seeking growth in these sectors.
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Engineering Other Industry Software Business services Consulting Advertising & marketing Education

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Average Project Cost Breakdown

Less than $10,000 (2) $10,000 to $49,000 (1) $50,000 to $199,999 (1)

What Clients Have Said
Clients consistently highlight Spring Drive's exceptional value for money, noting their competitive pricing and effective outcomes. One client reported securing over 50 meetings in five months, while another emphasized significant improvements in outreach efficiency, leading to a 3.2% reply rate. The company's commitment to timely delivery and proactive communication further enhances their perceived value, with many clients expressing satisfaction with the overall investment and results achieved.
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

London clients describe Spring Drive as a detail-oriented, responsive partner for messaging, lead management, and operational improvements. Their feedback emphasizes tailored campaigns, practical CRM and onboarding consultation, and outcomes including increased conversations with qualified leads and more efficient client intake.
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Salesforce

5.0 1 review

$5,000+

$300+ / hr

50 - 249

London, England

Services provided

100% Sales Outsourcing

Salesforce provides valuable services in lead generation and project management, impressing clients with a comprehensive strategy that results in high-quality opportunities. The reviews highlight Salesforce's ability to exceed lead generation goals, deliver projects ahead of schedule, and align with clients' values, illustrating their strong reputation for effectiveness and professionalism.

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Top Call Center Services & Voice Services in London

List of the Top London Call Center Companies & Voice Services

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Reviewed 18 times in the past 6 months

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Reviews mention Results-oriented

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Reviews mention Timely