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Top Sales Outsourcing Companies in Singapore

Ratings Updated: May 16, 2026

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4 Leaders 15 Contenders

23 Companies

Country: Singapore

Services: Sales Outsourcing

List of the Top Singapore B2B Sales Outsourcing Services

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What are Featured Providers?
LevelUp Leads

5.0 56 reviews
Premier Verified

$1,000+

$25 - $49 / hr

50 - 249

Serves Singapore

Services provided

80% Sales Outsourcing

10% Call Center Services

10% Email Marketing

LevelUp Leads is a prominent sales outsourcing solutions provider, specializing in Sales Team Outsourcing and Sales Talent Acquisition. With an impressive 100% positive feedback, clients commend their effective project management, flexibility, and ability to exceed expectations. 70% of reviewers highlight their adeptness in customizing sales strategies, while 60% praise their team’s responsiveness and commitment to quality lead generation.

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Reviews mention Open to feedback
Clients have consistently noted LevelUp Leads' openness to feedback, highlighting their proactive communication and adaptability. One client remarked on their ability to pivot campaigns rapidly based on client suggestions, demonstrating a commitment to collaboration. Additionally, the team expressed a willingness to explore more sophisticated reporting tools to enhance integration with in-house analytics. Overall, the sentiment reflects a strong appreciation for their responsiveness and willingness to incorporate client input into their strategies.

Marketing & Lead Generation for Self-Employed Contractor

4.5 Jun 6, 2023

The team supports a healthy and pro-active two way dialogue, and is available to help with any issues, concerns, or requests. The very persistent sense of partnership, and the positive, constructive, and "can do" responses to pretty much any surprise, concern, or hiccup.
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Lead Gen, Email Marketing & CRM SI for Hospitality Company

5.0 Jul 15, 2025

LevelUp Leads’ project management style was exemplary: timelines were always explicit and adhered to, communication was proactive, and they demonstrated a real knack for listening to feedback and adapting quickly. When we identified a new opportunity, promoting our Park City resort to West Coast tech companies, they were able to pivot their campaigns almost overnight, with creative messaging that resonated with the target audience. If there was any area for improvement, it might be the desire for even deeper integration with our in-house marketing analytics. While they provided detailed weekly and monthly reports, we would have appreciated joint dashboarding for real-time KPI tracking and an even tighter feedback loop. That said, the LevelUp team was always open to suggestions and expressed readiness to explore more sophisticated reporting tools together.
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6 of 7 reviews are 5 stars

7 new reviews for Sales Outsourcing services

$10,000 – $49,000 avg. project cost

Reviewed 7 times in the past 6 months
Recent client reviews for LevelUp Leads reflect a strong overall sentiment of satisfaction and effectiveness. Clients praised their proactive management, flexibility, and responsiveness, noting significant improvements in lead generation and meeting bookings. One client highlighted a fourfold increase in qualified meetings, while another commended their team's adaptability and commitment to refining strategies. Overall, clients expressed confidence in the partnership, with minimal areas identified for improvement.
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Average Project Cost Breakdown

$10,000 to $49,000 (23) Less than $10,000 (6) $50,000 to $199,999 (4)

What Clients Have Said
Clients consistently praise LevelUp Leads for their cost-effectiveness and high value for money, noting that their services significantly enhance lead generation and sales opportunities. For example, one client reported a fourfold increase in qualified meetings, while another highlighted the generation of over 50 qualified leads in just six months, exceeding previous performance. Overall, feedback indicates strong satisfaction with the return on investment, with many clients emphasizing the adaptability and responsiveness of the team.
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More responsive than most other service providers

LevelUp Leads is responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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Belkins

4.9 230 reviews
Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Singapore

Services provided

70% Sales Outsourcing

10% CRM Consulting and SI

10% Call Center Services +1 service

10% Email Marketing

Belkins is a sales outsourcing solutions firm specializing in lead generation and sales team augmentation. With consistently high ratings and a strong culture fit, their expertise has led to successful campaigns, such as achieving a 41% open rate and booking 78 relevant appointments. Clients praise their proactive communication, project management, and ability to deliver results, with over 90% of reviews highlighting their professionalism and effectiveness in meeting sales outsourcing objectives.

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Reviews mention Innovative
Overall, client feedback highlights Belkins' innovative approach in lead generation and appointment setting. One client noted their 'dynamic and innovative' strategies, while another praised their ability to 'constantly experiment' with new ideas to optimize success. Additionally, a client emphasized Belkins' unique ability to implement 'original tactics' that directly contributed to improved campaign deliverability. This consistent recognition of innovation across multiple reviews indicates a strong positive sentiment towards their creative methodologies.

Lead Generation for Financial Services Company

5.0 May 3, 2024

We've partnered with other lead generation companies and done outreach ourselves, but Belkins stands out from the crowd. Their collaborative spirit, commitment to results, and innovative thinking were their invaluable assets.
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Business Lead Dev for Manufacturing Company

5.0 Apr 30, 2024

What was most impressive or unique about this company was that it was dynamic and innovative. They were always responsive and flexible, providing excellent customer support.
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Appointment Setting for Educational Establishment

5.0 Mar 9, 2024

They followed a strategy, but were not cookie-cutter only. Their ability to generate more and more new ideas was a surprise. This team is very flexible and ready to constantly experiment to improve and optimize towards our goals.
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Lead Generation for Virtual Currency Company

5.0 Apr 28, 2022

Belkins maintained a strong and frequent line of communication with us via a joint Slack channel; from providing feedback and updates, to brainstorming new ideas and measuring the success of their implementation.
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Lead Generation for Global Technology Solutions Company

5.0 Mar 23, 2022

We were pleasantly surprised by fruitful brainstorming sessions between them and our teams. They always come up with new ideas and test them - we completely relied on their expertise and were not wrong.
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4 of 5 reviews are 5 stars

4 new reviews for Sales Outsourcing services

$10,000 – $49,000 avg. project cost

Reviewed 5 times in the past 6 months
Recent client feedback highlights Belkins' exceptional project management and lead generation capabilities. Clients noted impressive outcomes, such as 78 appointments with decision-makers and 137 booked demos, showcasing a consistent flow of qualified leads. The team's communication and responsiveness were frequently praised, with one client stating their project management was 'clear, organized, and on time.' Suggestions for improvement were minimal, indicating strong overall satisfaction with Belkins' services.
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Industry Experience

Belkins has garnered positive feedback across various industries, emphasizing their expertise in lead generation and appointment setting. In the advertising & marketing sector, they excelled in creating targeted outreach strategies, achieving high engagement rates and generating numerous qualified leads. Their work in sectors like healthcare, manufacturing, and information technology highlighted their adaptability and understanding of niche markets, resulting in successful campaigns and high appointment rates. Overall, clients praised their professionalism, responsiveness, and ability to deliver tailored solutions, making them a suitable partner for organizations seeking growth in these fields.
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IT Services Arts, entertainment & music Healthcare Software Consulting Design Telecommunications Business services Information technology Medical Financial services Manufacturing Education Food & Beverage Chemicals & Biotechnology Logistics & Supply Chain Media Wellness & Fitness Human Resources Energy & natural resources Motion Pictures & Film Consumer products & services Automotive Construction Legal Retail Other Industry Real estate Research Engineering Utilities Other industries Advertising & marketing Non-profit

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More responsive than most other service providers

Belkins is responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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A-SALES AB

4.9 64 reviews
Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Singapore

Services provided

80% Sales Outsourcing

10% Call Center Services

10% Email Marketing

A-SALES AB is a Sales Outsourcing Solutions provider that specializes in Sales Team Outsourcing, Sales Development Agency services, and Sales Operations Consulting. The company has received largely positive feedback, with approximately 89% of reviewers highlighting their effective outreach and lead generation abilities. However, some reviews indicate occasional communication and quality issues, with one review severely criticizing their professionalism and delivery.

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Industry Experience

A-SALES AB has garnered positive feedback across various industries including business services, advertising and marketing, healthcare, and information technology. Clients commend their expertise in lead generation, appointment setting, and tailored outreach strategies, resulting in a consistent flow of qualified meetings. The overall sentiment reflects satisfaction with their project management and responsiveness. Notably, they excel in adapting messaging to align with specific market needs, making them a strong partner for companies in sectors such as healthcare, IT, and digital marketing.
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Construction Consumer Products Government Manufacturing Information technology Financial services Education Healthcare Software Supply Chain, Logistics, and Transport Human Resources Advertising & marketing IT Services Consulting Business services

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Average Project Cost Breakdown

Less than $10,000 (19) $10,000 to $49,000 (14)

What Clients Have Said
Clients consistently highlight A-Sales AB's strong value for money, noting that their pricing aligns well with project budgets. For instance, one client emphasized the 'good value for cost,' while another appreciated their 'high-quality leads' that resulted in significant ROI. Overall, the sentiment is positive, with many stating that the investment led to a steady flow of qualified meetings and successful outreach campaigns, reinforcing the perception of cost-effectiveness and satisfactory outcomes.
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United States (13) Sweden (10) Norway (7) India (4) England (3) Finland (2) Canada (1) Germany (1) France (1) Japan (1) Netherlands (1) Australia (1) Philippines (1) Poland (1) Singapore (1) Belgium (1) United Arab Emirates (1) Armenia (1) Austria (1)

This provider is fluent in 26 languages:

English

Arabic

Russian

Portuguese

German

French

Turkish

Italian

Polish

Ukrainian

Romanian

Dutch

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Callbox

4.6 119 reviews

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Verified

Undisclosed

Undisclosed

1,000 - 9,999

Singapore, Singapore

Services provided

60% Sales Outsourcing

20% Customer Service Outsourcing

10% Back Office Outsourcing +1 service

10% Call Center Services

Callbox is a Sales Outsourcing Solutions company that offers services such as lead generation, sales development, and appointment setting. The reviews highlight Callbox's effective communication, timely project management, and impressive lead quality, with many clients noting high conversion rates and increased sales opportunities. Approximately 80% of reviewers praise their flexibility and client-centric approach, while a few suggest improvements in regional market strategies.

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Reviews mention Exceptional performance
Clients have consistently praised Callbox for their exceptional performance in demand generation and lead management. One CMO highlighted their ability to establish a multi-channel program within four weeks, resulting in numerous trials for their solution. Another VP noted Callbox's unique service, effectively filling multiple roles in their sales and marketing strategy. Overall, feedback indicates that Callbox's expertise and responsiveness significantly enhance client capabilities, making them a valuable partner for small to mid-sized businesses.

Demand Generation Services for SaaS Company

5.0 Oct 19, 2022

Callbox is an experienced demand generation company. They have honed their processes, skills, and team to be very effective. For a small company like AutoPylot with limited resources, Callbox was exactly the full-service 'engine' we needed to get connected to our prospective customers.
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Lead Generation for Technology Company

4.5 Apr 7, 2022

One of their major advantages is that they’re a unique service. If you’re a small company and need to build your sales team or marketing department, then they’re a great team. Filling the role of three positions —head of marketing, and head of business development, and head of sales development — they are a more effective avenue than hiring three full-staff employees.
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Appointment Scheduling for IT Company

4.0 Aug 16, 2017

The pros: they provide great service, are useful, and fall at a good price compared to other vendors. They are easy to do business with and the deals are credible. The quality of their service, the time they save us, and the affordable prices they have.
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7 of 13 Sales Outsourcing reviews are 5 stars

12 new reviews for Sales Outsourcing in past 6 months

$10,000 – $49,000 avg. project cost

Sales Outsourcing PROJECT HIGHLIGHT

Lead Generation for Data Platform & Integration Firm
4.5 — Callbox provided lead generation services for a managed data platform. The team was responsible for creating a lead generation strategy, managing databases, and reporting. Read more
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Industry Experience

Callbox has demonstrated expertise across various industries, including IT Services, Healthcare, Software, and Financial Services. Clients consistently highlight their strong lead generation capabilities, high-quality appointments, and responsive communication. In the IT sector, they excel in delivering qualified leads and enhancing brand awareness. Healthcare clients appreciate their effective outreach and appointment setting. Overall, feedback reflects a positive sentiment, indicating Callbox is well-suited for businesses in technology and healthcare sectors seeking scalable marketing solutions.
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Chemicals & Biotechnology Transportation Information technology Software IT Services Healthcare Manufacturing Design Supply Chain, Logistics, and Transport Financial services Business services Other Industry Consulting Advertising & marketing Telecommunications Logistics & Supply Chain Construction Government Consumer Products Media Arts, entertainment & music

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Singapore, Singapore

1 Scotts Road #24-10 Shaw Centre
Singapore, Singapore 228208
2 - 5

+ 65 31591112

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TDCX

4.8 12 reviews
Verified

$100,000+

Undisclosed

10,000+

Singapore, Singapore

Services provided

20% Sales Outsourcing

50% Customer Service Outsourcing

10% Business Consulting +2 services

10% Call Center Services

10% Content Moderation Services

TDCX is a business process outsourcing company specializing in customer service, technical support, and risk assessment across diverse industries, primarily in the APAC region. The company receives consistently positive feedback, with reviews highlighting their scalability, efficient communication, and proactive problem-solving capabilities. Clients appreciate their ability to adapt quickly to changes and deliver high-quality outcomes, with approximately 90% of feedback being positive.

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Reviews mention Autonomous
The feedback regarding TDCX's autonomy is overwhelmingly positive. Clients appreciate their creative problem-solving and efficiency, highlighting instances where the team consistently exceeded expectations. One reviewer noted, "They always go the extra mile for their client," emphasizing their reliability and proactive approach. Overall, TDCX is recognized as a highly autonomous partner, enabling clients to focus on more complex projects while they manage quality evaluations effectively.

BPO Services for Tech Company

5.0 May 25, 2022

Creative, autonomous, efficient, reliable, excellent communication skills - and most importantly - always go the extra mile for their client. Every time we asked them to deliver on a task, they did that very well and then also went above and beyond.
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Industry Experience

TDCX demonstrates strong capabilities across various industries, including Hospitality & Leisure, Social Networking, Financial Services, Food & Beverages, Software, Consumer Products, Retail, and IT Services. Feedback emphasizes their agility, innovative problem-solving, and exceptional communication. Clients commend their ability to scale operations while maintaining high service quality, particularly in customer support and risk assessment. Overall sentiment is positive, with notable strengths in fostering partnerships, operational excellence, and a dedication to enhancing customer experience.
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Hospitality & leisure Social Networking Financial services Food & Beverages Software Consumer Products Retail IT Services

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Average Project Cost Breakdown

$1,000,000 to $9,999,999 (2) $200,000 to $999,999 (1) $10,000,000 + (1)

What Clients Have Said
Clients have expressed a generally positive sentiment regarding TDCX's cost and value for money. Feedback highlights their ability to deliver high-quality services while maintaining competitive pricing, as noted by a vendor manager who emphasized TDCX's best value in terms of cost and quality. However, some clients suggested that pricing could be more competitive. Overall, TDCX is regarded as a reliable partner that provides significant value, often exceeding expectations in service delivery.
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Singapore (7) Germany (1) Spain (1) United States (1)

This provider is available in 32 time zones:

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

Japan Standard Time (JST)

Midway Islands Time (MIT)

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CoDev

4.7 16 reviews
Premier Verified

$5,000+

$25 - $49 / hr

250 - 999

Serves Singapore

Services provided

20% Sales Outsourcing

10% BI & Big Data Consulting & SI

10% Custom Software Development +6 services

10% DevOps Managed Services

10% HR Outsourcing

10% IT Staff Augmentation

10% Mobile App Development

10% Recruitment Process Outsourcing

10% Web Development

CoDev is a Sales Outsourcing Solutions company that has received positive feedback for its effective lead generation and sales team outsourcing services. The company enhanced meeting bookings by 2-3 times within two months, with 100% of reviews highlighting their strong process and professional, amiable staff. Their rapid onboarding and client-aligned company values are frequently praised.

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Reviews mention Team players
Clients consistently commend CoDev for their collaborative approach and resource management. One executive noted their management team's quick responsiveness and ability to ensure team members felt included and valued. The client emphasized that CoDev's local management facilitated smoother communication and understanding of needs, enhancing overall project cohesion. While navigating cultural differences remains a challenge, the sentiment reflects a strong appreciation for CoDev's commitment to fostering a team-oriented environment.

Employee Leasing, UI/UX & Graphic Design for Software Co

4.5 Aug 29, 2024

CoDev's management team was quick to offer suggestions, find new resource options on potential projects and help with ensuring the resources selected were happy and felt part of a team. Their US based management personnel was nice to talk to as they could understand needs faster and connect with their offshore counterpart to match with the best resource.
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1 of 1 Sales Outsourcing reviews are 5 stars

1 new review for Sales Outsourcing in past 6 months

$10,000 – $49,000 avg. project cost

Sales Outsourcing PROJECT HIGHLIGHT

Lead Gen & Sales Outsourcing for Paid Advertising Agency
5.0 — CoDev provides lead generation services for a paid advertising agency. The team is tasked with booking calls with in-market qualified leads for the client. Read more
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Average Project Cost Breakdown

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

What Clients Have Said
Clients consistently commend CoDev for offering excellent value for money, with many noting that their pricing fits within budget constraints while delivering high-quality results. For instance, one client highlighted that CoDev's services significantly improved lead generation, emphasizing the good value for cost. Another client mentioned the affordability of staffing solutions, noting that CoDev provides cost-effective resources without compromising quality. Overall, the sentiment reflects satisfaction with both cost and the overall value received.
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United States (13) Canada (1) England (1)

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The Scalelab

4.9 10 reviews

$1,000+

$100 - $149 / hr

10 - 49

Singapore, Singapore

Services provided

10% Sales Outsourcing

50% Email Marketing

30% Digital Strategy +1 service

10% Marketing Strategy

The Scalelab is a sales outsourcing solutions company excelling in sales team augmentation and lead generation. Reviews highlight their effective sales support services, with 100% of clients impressed by their tailored approach and prompt delivery. Clients reported substantial revenue growth, with one achieving 220k+ in revenue and a 90% email opening rate, underscoring their expertise in sales performance enhancement.

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Reviews mention Timely
Clients have consistently praised The Scalelab for their timely delivery and responsiveness. One reviewer noted that all project deliverables were completed on schedule, with regular updates provided through bi-weekly meetings. The client expressed high satisfaction with the accuracy and reliability of the work, stating, 'Everything was delivered on time, very accurately.' Overall, the sentiment regarding timeliness is overwhelmingly positive, highlighting The Scalelab's commitment to meeting deadlines.

Lead Generation Services for French Cake Company

5.0 Nov 11, 2024

Everything was delivered on time, very accurately and regularly reported, and we had bi-weekly video meetings.
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Email Marketing for Interior Design Company

4.0 Mar 26, 2025

The project is primarily ongoing, so the project management is limited to infrequent changes to the strategy and marketing messaging. All the deliverables are provided on time and proactively.
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Lead Generation for Regulatory Data Technology Company

5.0 Mar 26, 2025

They set up a dedicated Slack channel for real-time communication, which made collaboration easy and efficient. We had weekly reports that gave us clear visibility into lead performance, and bi-weekly catch-ups to review progress, align on priorities, and make necessary refinements. Deliverables were consistently on time, and the team was highly responsive to our evolving needs.
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Industry Experience

The Scalelab has successfully operated across various industries including Information Technology, Construction, Advertising & Marketing, Food & Beverages, Financial Services, IT Services, Retail, and Arts & Entertainment. Their strength lies in lead generation, with clients praising their personalized outreach, high engagement rates, and ability to adapt strategies. Overall sentiment is highly positive, particularly in the IT and Financial Services sectors, where they notably enhance client acquisition and revenue generation.
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Retail Information technology Construction Advertising & marketing Food & Beverages Financial services IT Services Arts, entertainment & music

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Average Project Cost Breakdown

$10,000 to $49,000 (3) Less than $10,000 (2) $50,000 to $199,999 (1)

What Clients Have Said
Clients consistently highlight The Scalelab's competitive pricing and strong value for money. For instance, one client noted that their pricing fit the budget while delivering high-quality leads, stating they 'can't recommend them enough' for their effectiveness. Another client emphasized that the results justified the cost, generating significant revenue and numerous qualified leads. Overall, the sentiment reflects satisfaction with both the affordability and the substantial return on investment provided by The Scalelab's services.
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Hong Kong (5) Australia (1) Germany (1) England (1)

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Kazehi Global

5.0 5 reviews

$50,000+

Undisclosed

10 - 49

Singapore, Singapore

Services provided

75% Sales Outsourcing

25% Corporate Relocation

Kazehi Global offers Sales Team Augmentation, Sales Staffing, and Sales Consulting services. Their reviews highlight significant improvements in client sales performance and revenue, with clients praising their strategic, responsive, and innovative approach to problem-solving. Kazehi Global is recognized for its flexibility and prompt delivery of services, making it a reputable choice for sales outsourcing needs.

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Reviews mention Creative
Kazehi Global received positive feedback regarding their creativity, particularly in problem-solving. A client noted their 'responsiveness' and 'creativity in problem-solving' as standout qualities, highlighting the firm's ability to design and deliver quality business matching projects effectively. The overall sentiment reflects a strong appreciation for Kazehi's innovative approaches and their competence in addressing client needs.

B2B Services for Management Consulting Firm

5.0 Jun 30, 2022

Kazehi Global's team was very responsive. Responsiveness, creativity in problem-solving was most impressive or unique about this company.
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Industry Experience

Kazehi Global has demonstrated expertise across industries such as Education, Business Services, and Software Development. Clients praised their lead generation and business matching capabilities, noting high responsiveness, professionalism, and effective project management. Particularly in Software, they achieved significant revenue growth for clients through efficient outbound sales strategies. Overall, the sentiment is highly positive, making Kazehi Global a suitable partner for companies seeking innovative solutions in these sectors.
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Education Business services Software

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Average Project Cost Breakdown

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

What Clients Have Said
Kazehi Global is praised for providing good value for cost, with clients noting their effectiveness in delivering results. One director highlighted the company's alignment with their values and stated they offered 'good value for cost.' Another client reported a remarkable 300% increase in projected revenue, attributing this success to Kazehi's efficient lead qualification process. Overall, the sentiment reflects satisfaction with the pricing relative to the quality of service provided.
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Wave Evolution

Not yet reviewed

$5,000+

$100 - $149 / hr

2 - 9

Singapore, Singapore

Services provided

25% Sales Outsourcing

25% Email Marketing

25% Search Engine Optimization +1 service

25% Social Media Marketing

Wave Evolution is an Email Marketing company. They were established in 2007, and their services include Email Marketing and Search Engine Optimization.
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Singapore, Singapore

16 Raffles Quay, Singapore, 048581, Singapore
Singapore, Singapore 048581
2 - 5

+65 6403 0303

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Konsyg

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Singapore, Singapore

Services provided

40% Sales Outsourcing

30% Business Consulting

30% Email Marketing

Konsyg, a Sales Outsourcing company, was established in 2017. The team focuses on Sales Outsourcing and Email Marketing and is located in Singapore, Singapore.
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Scenes City Telesolutions

Not yet reviewed

$1,000+

< $25 / hr

10 - 49

Singapore, Singapore

Services provided

25% Sales Outsourcing

30% Social Media Marketing

23% Call Center Services +2 services

12% Back Office Outsourcing

10% Customer Service Outsourcing

Scenes City Telesolutions is a social media marketing firm. They were established in 2012, and their services include Social Media Marketing and Sales Outsourcing.
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1000Steps

Not yet reviewed

$5,000+

Undisclosed

10 - 49

Singapore

Services provided

30% Sales Outsourcing

35% Business Consulting

35% Corporate Training & Coaching

Headquartered in Singapore and Mentone, Australia, 1000Steps is a Business Consulting company. They specialize in Business Consulting and Corporate Training & Coaching and were founded in 2017.
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Lion Securisia

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Singapore, Singapore

Services provided

100% Sales Outsourcing

Lion Securisia is a small Singapore, Singapore-based Sales Outsourcing company. The team offers Sales Outsourcing.
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SparkSales

Not yet reviewed

$5,000+

Undisclosed

10 - 49

Singapore

Services provided

80% Sales Outsourcing

10% Business Consulting

10% Customer Service Outsourcing

SparkSales is a small Singapore-based Sales Outsourcing company. Their services include Sales Outsourcing and Business Consulting.
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GroWise

Not yet reviewed

$10,000+

$300+ / hr

10 - 49

Singapore, Singapore

Services provided

60% Sales Outsourcing

40% Business Consulting

GroWise, a Sales Outsourcing company, is based in Singapore, Singapore. They specialize in Sales Outsourcing and Business Consulting.
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BYG Advantage

Not yet reviewed

$100,000+

$100 - $149 / hr

10 - 49

Singapore, Singapore

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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Singapore, Singapore

50 Ubi Crescent #01-08 Ubi, TechPark
Singapore, Singapore 408568
2 - 5

+65 6415-7140

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M4U Marketing

Not yet reviewed

$5,000+

Undisclosed

10 - 49

Singapore

Services provided

10% Sales Outsourcing

10% Account-Based Marketing

10% Branding +7 services

10% Call Center Services

10% Demand Generation Marketing

10% Digital Strategy

10% Event Management

10% Event Marketing

10% Market Research

10% Marketing Strategy

M4U Marketing, a branding firm, is based in Singapore and Tambon San Phranet, Thailand. Their services include Branding and Market Research.
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Swivelt

5.0 2 reviews

$100,000+

Undisclosed

10 - 49

Singapore, Singapore

Services provided

30% Sales Outsourcing

30% Customer Service Outsourcing

20% Back Office Outsourcing +2 services

10% Pay Per Click

10% Search Engine Optimization

Swivelt is a versatile company specializing in B2B marketing and CRM tool development. Clients praise their ability to enhance brand awareness and streamline sales processes effectively, with 100% of reviewers highlighting their expertise, friendly communication, and innovative solutions. Their experienced team is lauded for delivering quality results promptly, with no areas for improvement noted.

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Reviews mention Understands their clients' needs
Clients express a strong sentiment that Swivelt effectively understands their needs. One client highlighted the project manager's friendly communication and ability to grasp requirements, which facilitated a successful B2B marketing initiative that significantly increased brand awareness and generated leads within a short timeframe. Overall, feedback indicates high satisfaction with Swivelt's attentiveness and responsiveness to client objectives.

B2B Marketing for IT Software

5.0 Oct 28, 2020

The project manager assigned to us was very friendly and easy to communicate with us and understand all the requirements.
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Industry Experience

Swivelt has demonstrated strong capabilities in the Software and Information Technology industries, with notable success in B2B marketing and CRM tool development. Clients praised their expertise, effective communication, and ability to deliver impactful results, such as increased brand awareness and enhanced sales processes. Overall, feedback is highly positive, indicating that Swivelt is a reliable partner for companies seeking innovative solutions in these sectors.
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Software Information technology

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Average Project Cost Breakdown

Less than $10,000 (2)

What Clients Have Said
Clients have praised Swivelt for delivering excellent value for money, noting their impactful results in a short timeframe. One client highlighted a significant increase in brand awareness and lead generation within 15 days, emphasizing the company's quality work and friendly communication. Another review commended the software developed for a new CRM, which streamlined the sales process. Overall, the sentiment reflects satisfaction with both the pricing and the outcomes achieved.
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Indonesia (1) Malaysia (1)

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Webhelp

Not yet reviewed

Undisclosed

Undisclosed

10,000+

Singapore, Singapore

Services provided

15% Sales Outsourcing

33% Customer Service Outsourcing

23% Call Center Services +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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Singapore, Singapore

Webhelp Singapore Pte. Ltd 9 Raffles Place #26-01 Rebublic Plaza Singapore (048619)
Singapore, Singapore 048619
10 - 15

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Incall Systems Pte Ltd

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Singapore, Singapore

Services provided

35% Sales Outsourcing

35% Call Center Services

30% Demand Generation Marketing

Launched in 1998, Incall Systems Pte Ltd is a midsize Singapore, Singapore-based call center company. Their team provides Call Center Services and Sales Outsourcing.
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Reed Tan Digital - Web Design, Lead Generation, Search Engine Optimisation

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Singapore

Services provided

20% Sales Outsourcing

20% Ecommerce Marketing

20% Search Engine Optimization +2 services

20% Social Media Marketing

20% Web Design

Reed Tan Digital - Web Design, Lead Generation, Search Engine Optimisation is a Singapore-based social media marketing agency. They provide Social Media Marketing and Search Engine Optimization.
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LeadSniper

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Singapore

Services provided

50% Sales Outsourcing

25% Back Office Outsourcing

25% Call Center Services

LeadSniper is a Sales Outsourcing company. They are in Singapore and have small team. Their team provides Sales Outsourcing and Call Center Services.
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Centrospex

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Singapore, Singapore

Services provided

25% Sales Outsourcing

25% Event Marketing

20% Social Media Marketing +2 services

15% Account-Based Marketing

15% Email Marketing

Midsize Event Marketing company Centrospex, is headquartered in Singapore, Singapore and Bonville, Australia. Their services include Event Marketing and Sales Outsourcing.
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Melioris

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Singapore, Singapore

Services provided

20% Sales Outsourcing

20% Accounting

20% Customer Service Outsourcing +3 services

20% Digital Strategy

10% Recruiting

10% Staffing

Melioris is a Digital Strategy company. Located in Singapore, Singapore, their small team focuses on Digital Strategy and Accounting. The company was launched in 2002.
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CboxDev

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Singapore, Singapore

Services provided

20% Sales Outsourcing

20% Branding

20% CRM Consulting and SI +2 services

20% Direct Marketing

20% Event Marketing

Founded in 2005, CboxDev is a small branding firm. Their services include Branding and Direct Marketing.
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PS & CO

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Singapore, Singapore

Services provided

20% Sales Outsourcing

20% Branding

20% Content Marketing +2 services

20% Marketing Strategy

20% Social Media Marketing

Located in Singapore, Singapore, PS & CO is a small branding agency. The team provides Branding and Marketing Strategy.
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Stitch Interactive Pte. Ltd.

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Singapore, Singapore

Services provided

20% Sales Outsourcing

20% Pay Per Click

20% Search Engine Optimization +2 services

20% Web Design

20% Web Development

Stitch Interactive Pte. Ltd. Is a SEO services firm. The small Singapore, Singapore-based team specializes in Search Engine Optimization and Pay Per Click. The agency was established in 2019.
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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

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Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Callbox

2 The Scalelab

3 Kazehi Global

4 TDCX

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top Singapore B4B Sales Outsourcing Services

Callbox

Undisclosed

Undisclosed

1,000 - 9,999

Singapore, Singapore

Ability to deliver

34.1/40.0

16.6/20 Reviews

10/10 Clients & Experience

7.5/10 Market Presence

Service focus

60% Sales Outsourcing

40% Other

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The Scalelab

$1,000+

$100 - $149 / hr

10 - 49

Singapore, Singapore

Ability to deliver

30.2/40.0

16.2/20 Reviews

6/10 Clients & Experience

8.1/10 Market Presence

Service focus

10% Sales Outsourcing

90% Other

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Kazehi Global

$50,000+

Undisclosed

10 - 49

Singapore, Singapore

Ability to deliver

26.5/40.0

16.4/20 Reviews

5.5/10 Clients & Experience

4.7/10 Market Presence

Service focus

75% Sales Outsourcing

25% Other

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TDCX

$100,000+

Undisclosed

10,000+

Singapore, Singapore

Ability to deliver

29.4/40.0

15.8/20 Reviews

4.5/10 Clients & Experience

9.1/10 Market Presence

Service focus

20% Sales Outsourcing

80% Other

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Wave Evolution

$5,000+

$100 - $149 / hr

2 - 9

Singapore, Singapore

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

25% Sales Outsourcing

75% Other

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Konsyg

Undisclosed

Undisclosed

50 - 249

Singapore, Singapore

Ability to deliver

5.2/40.0

0/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

40% Sales Outsourcing

60% Other

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Scenes City Telesolutions

$1,000+

< $25 / hr

10 - 49

Singapore, Singapore

Ability to deliver

4.9/40.0

0/20 Reviews

0/10 Clients & Experience

4.9/10 Market Presence

Service focus

25% Sales Outsourcing

75% Other

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1000Steps

$5,000+

Undisclosed

10 - 49

Singapore

Ability to deliver

4.9/40.0

0/20 Reviews

0/10 Clients & Experience

4.9/10 Market Presence

Service focus

30% Sales Outsourcing

70% Other

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Lion Securisia

Undisclosed

Undisclosed

10 - 49

Singapore, Singapore

Ability to deliver

4.9/40.0

0/20 Reviews

0/10 Clients & Experience

4.9/10 Market Presence

Service focus

100% Sales Outsourcing

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SparkSales

$5,000+

Undisclosed

10 - 49

Singapore

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

80% Sales Outsourcing

20% Other

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GroWise

$10,000+

$300+ / hr

10 - 49

Singapore, Singapore

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

60% Sales Outsourcing

40% Other

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BYG Advantage

$100,000+

$100 - $149 / hr

10 - 49

Singapore, Singapore

Ability to deliver

13.2/40.0

0/20 Reviews

8.5/10 Clients & Experience

4.7/10 Market Presence

Service focus

70% Sales Outsourcing

30% Other

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M4U Marketing

$5,000+

Undisclosed

10 - 49

Singapore

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% Sales Outsourcing

90% Other

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Swivelt

$100,000+

Undisclosed

10 - 49

Singapore, Singapore

Ability to deliver

22.9/40.0

16.2/20 Reviews

1.3/10 Clients & Experience

5.3/10 Market Presence

Service focus

30% Sales Outsourcing

70% Other

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Webhelp

Undisclosed

Undisclosed

10,000+

Singapore, Singapore

Ability to deliver

7.2/40.0

0/20 Reviews

0/10 Clients & Experience

7.2/10 Market Presence

Service focus

15% Sales Outsourcing

85% Other

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Incall Systems Pte Ltd

Undisclosed

Undisclosed

50 - 249

Singapore, Singapore

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

35% Sales Outsourcing

65% Other

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Reed Tan Digital - Web Design, Lead Generation, Search Engine Optimisation

Undisclosed

Undisclosed

2 - 9

Singapore

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% Sales Outsourcing

80% Other

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LeadSniper

Undisclosed

Undisclosed

10 - 49

Singapore

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

50% Sales Outsourcing

50% Other

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Centrospex

Undisclosed

Undisclosed

50 - 249

Singapore, Singapore

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

25% Sales Outsourcing

75% Other

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Call center costs can add up over time, so it’s important that companies establish a thorough budget plan before outsourcing.

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Updated March 24, 2026

Hannah Hicklen

Call center outsourcing is when a company hires a BPO service provider to handle inbound or outbound calls.

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Updated March 24, 2026

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Looking to hire a call center? Connecting with a reliable team has never been easier— check out our quick 4-step process to find the perfect partnership.

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Why Trust Clutch

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