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Top Lead Generation Companies in Belgrade

Ratings Updated: May 31, 2026

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Featured

What are Featured Providers?

LevelUp Leads

5.0 56 reviews
Premier Verified

$1,000+

$25 - $49 / hr

50 - 249

Serves Belgrade, Serbia

Services provided

80% Sales Outsourcing

10% Call Center Services

10% Email Marketing

Focus Areas

50% B2B Lead Generation

40% B2B Appointment Setting

10% B2B Lead Qualification

LevelUp Leads is a Sales Development Agency specializing in Sales Outsourcing Solutions and Sales Support Services. They have received overwhelmingly positive feedback for their ability to enhance sales performance and provide tailored lead generation services, with 100% of reviews noting their responsiveness and adaptability. Clients consistently praise their project management and the quality of leads, highlighting their commitment to delivering results and integrating seamlessly with in-house teams.

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5 of 6 reviews are 5 stars

6 new reviews for Sales Outsourcing services

Less than $10,000 avg. project cost

Reviewed 6 times in the past 6 months
Recent reviews of LevelUp Leads reflect a highly positive sentiment, highlighting their effective lead generation and outbound sales strategies. Clients noted impressive outcomes, such as a fourfold increase in qualified meetings and a consistent flow of leads, with one client praising their project management and responsiveness. Feedback emphasized the team's adaptability and strong communication skills, while some minor areas for improvement were mentioned, primarily related to messaging consistency. Overall, clients expressed satisfaction with the partnership and the results achieved.
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20 of 20 B2B Lead Generation reviews are 5 stars

5 new reviews for B2B Lead Generation in past 6 months

$10,000 – $49,000 avg. project cost

B2B Lead Generation Experience

Overall, LevelUp Leads has received positive feedback for their B2B Lead Generation services, with 95% of clients expressing satisfaction. Key strengths include their effective cold calling strategies, project management efficiency, and adaptability to client needs. Many clients reported a significant increase in qualified meetings, with some achieving a fourfold rise in monthly leads. Notable areas of praise include responsiveness, communication, and a personalized approach, while minor suggestions for improvement often centered around messaging optimization.
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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 very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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Atlantic Growth Solutions

4.9 14 reviews
Premier Verified

$1,000+

$25 - $49 / hr

10 - 49

Serves Belgrade, Serbia

Services provided

65% Sales Outsourcing

15% Corporate Training & Coaching

10% CRM Consulting and SI +1

10% Recruiting

Focus Areas

40% B2B Lead Generation

60% B2B Lead Qualification

Atlantic Growth Solutions is a Sales Outsourcing Solutions company that specializes in lead generation and sales process enhancement. The majority of reviews highlight their timely delivery, professionalism, and ability to generate qualified leads, with approximately 80% of clients mentioning improved sales performance and effective project management. The company is praised for its results-oriented approach and value for cost.

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Reviews mention Timely
Overall, clients express a strong sentiment regarding Atlantic Growth Solutions' timeliness. They consistently deliver projects on schedule, as evidenced by feedback such as 'They deliver on time' and 'The workflow was very effective and timely.' Additionally, clients appreciate their responsiveness and ability to meet needs promptly, reinforcing their reputation for reliability. One client noted, 'They consistently delivered what they promised on time,' highlighting their commitment to timely project management.

Sales Coaching & Staff Augmentation for Truck Dealer

5.0 Jul 23, 2021

Atlantic Growth Solutions utilizes an effective project management approach — they plot out timelines for each deliverable and strive to meet those deadlines or even deliver early on. While we’ve had our own share of hurdles throughout the process, I can confirm that Atlantic Growth Solutions is an exceptional partner that practices what they preach.
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Corporate Training for Truck Dealership Company

5.0 Jul 22, 2021

The workflow was very effective and timely. AGS continuously met our needs and pushed the process forward.
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Lead Gen, Value Proposition & Messaging for IT Services Co

5.0 Nov 29, 2024

They were always on time and very professional!
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Lead Generation Services for Business Software Provider

4.0 Aug 23, 2023

Atlantic Growth Solutions had good communication; we usually communicated via weekly Zoom calls and emails. Their team stayed on budget and within our timeline.
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Marketing Strategy & Research for Fundraising Advisory Co

5.0 Nov 29, 2024

They delivered on time and within budget. Throughout the process, we used Google Workspace tools and Google Meet to communicate frequently and share materials and presentations.
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4 of 5 Sales Outsourcing reviews are 5 stars

3 new reviews for Sales Outsourcing in past 6 months

Less than $10,000 avg. project cost

Sales Outsourcing PROJECT HIGHLIGHT

Lead Generation for Mentoring Platform
5.0 — Atlantic Growth Solutions provides lead generation services for a mentoring platform. The team builds lists, emails, calls, and uses LinkedIn to set up appointments. Read more
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Industry Experience

Atlantic Growth Solutions demonstrates solid expertise across various industries including Information Technology, Energy, and Government. Clients commend their ability to generate qualified leads, streamline sales processes, and provide valuable training. Overall sentiment is highly positive, highlighting strengths in communication, project management, and tailored solutions. Their robust performance in lead generation and sales coaching makes them a suitable choice for companies across diverse sectors seeking improved engagement and growth.
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Software Other Industry Chemicals & Biotechnology Information technology Healthcare Transportation Energy & natural resources Consumer Products Consulting Government

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More responsive than most other service providers

Atlantic Growth Solutions 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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A-SALES AB

4.9 65 reviews
Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Belgrade, Serbia

Services provided

80% Sales Outsourcing

10% Call Center Services

10% Email Marketing

Focus Areas

60% B2B Lead Generation

30% B2B Appointment Setting

10% B2B Lead Qualification

A-SALES AB, a Sales Outsourcing Solutions company, specializes in setting up appointments and generating qualified sales meetings through personalized outreach campaigns. They are particularly praised for their ability to enhance sales performance, with 89% of reviews highlighting their effective communication and project management. However, one negative review (11%) criticizes the quality and professionalism of their work, suggesting room for improvement in coordination and execution.

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2 of 2 reviews are 5 stars

2 new reviews for Sales Outsourcing services

Less than $10,000 avg. project cost

Reviewed 2 times in the past 6 months
In the last six months, A-SALES AB has garnered positive feedback for their effective appointment-setting services, with one client noting a 300% increase in appointment generation. Clients appreciate their commitment to delivering tailored solutions and detailed reports, although some have highlighted communication delays between teams as an area for improvement. Overall, the sentiment is favorable, emphasizing A-SALES AB's value and alignment with client needs.
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28 of 29 B2B Lead Generation reviews are 5 stars

5 new reviews for B2B Lead Generation in past 6 months

Less than $10,000 avg. project cost

B2B Lead Generation Experience

A-SALES AB has received predominantly positive feedback for their B2B Lead Generation services, with approximately 90% of clients expressing satisfaction. Key strengths include their effective appointment-setting, which resulted in significant increases, such as a 300% rise in appointment generation for one client. Many reviewers noted their impressive communication, project management, and responsiveness. However, a few highlighted issues with communication flow between teams. Overall, A-SALES AB is recognized for delivering high-quality leads, tailored outreach strategies, and a strong understanding of various markets, making them a reliable partner in lead generation.
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Industry Experience

A-SALES AB has demonstrated expertise across various industries, notably in Business Services, IT, Advertising & Marketing, and Healthcare. Clients commend their targeted lead generation and effective appointment-setting, with measurable successes such as significant increases in qualified meetings and pipeline growth. Overall, feedback indicates a positive sentiment, highlighting the company's adaptability, responsiveness, and ability to deliver high-quality leads tailored to specific industry needs.
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Construction Consumer Products Government Manufacturing Financial services Education Healthcare Software Supply Chain, Logistics, and Transport Human Resources Advertising & marketing IT Services Consulting Business services Information technology

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United States (14) 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)

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Silver Bell Group

5.0 5 reviews

Undisclosed

Undisclosed

250 - 999

Beograd, Serbia

Services provided

20% Sales Outsourcing

20% Call Center Services

10% Customer Service Outsourcing +10

5% Back Office Outsourcing

5% Content Marketing

5% Finance & Accounting Outsourcing (FAO)

5% Graphic Design

5% HR Consulting

5% Mobile App Development

5% Social Media Marketing

5% UX/UI Design

5% Web Design

5% Web Development

Focus Areas

35% B2B Lead Generation

35% B2B Lead Qualification

30% B2B Appointment Setting

Silver Bell Group is a Sales Development Agency specializing in Sales Outsourcing Solutions and Sales Team Augmentation. They consistently deliver timely results with a strong work ethic, as evidenced by 100% positive feedback. Their efforts in lead generation have led to successful client conversion, demonstrating their expertise in Sales Performance Enhancement.

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Reviews mention Hard working
Clients consistently commend Silver Bell Group for their hardworking team, emphasizing their impressive work ethics and flexibility. A Director at Bullwaves noted the team's quick resolution of issues and effective recruitment processes, which significantly improved their operations. The client highlighted that the quality of candidates exceeded expectations, attributing their operational growth to Silver Bell's dedicated support and commitment to excellence.

Recruitment Services for Outsourcing Company

5.0 Jul 29, 2025

Everything was handled pretty fast and with no issues. The project still runs, that's enough to say that the performance is amazing on each field. Their working ethics and flexibility were impressive.
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Industry Experience

Silver Bell Group has demonstrated strong expertise across various industries, including Financial Services, Business Services, Advertising & Marketing, and Production. Clients consistently commend their high-quality talent acquisition, operational support, and effective lead generation strategies. Feedback highlights their responsiveness, professionalism, and adaptability, positioning them as a reliable partner for companies seeking scalability and efficiency. Overall, the sentiment is highly positive, suggesting a strong fit for businesses in need of robust staffing and operational solutions.
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Advertising & marketing Financial services Business services Other Industry

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Average Project Cost Breakdown

$200,000 to $999,999 (2) $10,000 to $49,000 (1) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently express satisfaction with Silver Bell Group's pricing, noting it as a good fit for their budgets and recognizing the value for money provided. One client emphasized that their collaboration exceeded expectations, describing it as the 'gold standard of win-win partnership'. Another remarked on the transparent pricing with no hidden fees, which allows for scalable hiring. Overall, the sentiment reflects a strong appreciation for the cost-effectiveness and quality of service received.
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1 of 1 Belgrade-based review is 5 stars

$10,000 – $49,000 avg. project cost for Sales Outsourcing services in Belgrade

Belgrade-based Sales Outsourcing project highlight

Lead Generation for Digital Mktg & Creative Consultancy
5.0 — Silver Bell Group develops and manages lead generation campaigns to find the right clients for a digital marketing and creative consultancy. Read more
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Trizma

Not yet reviewed

$1,000+

$25 - $49 / hr

250 - 999

Beograd, Serbia

Services provided

10% Sales Outsourcing

30% Call Center Services

20% Back Office Outsourcing +4

10% BI & Big Data Consulting & SI

10% Business Consulting

10% HR Consulting

10% IT Managed Services

Focus Areas

35% B2B Lead Generation

35% B2B Appointment Setting

30% B2B Lead Qualification

Trizma, a call center service, specializes in Call Center Services and Back Office Outsourcing. The firm is headquartered in Beograd, Serbia.
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Featured

What are Featured Providers?

SalesAR

4.9 133 reviews
Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Belgrade, Serbia

Services provided

60% Sales Outsourcing

10% Account-Based Marketing

10% Call Center Services +2

10% Content Marketing

10% Email Marketing

Focus Areas

60% B2B Lead Generation

40% B2B Appointment Setting

SalesAR is a sales outsourcing solutions agency specializing in lead generation, sales team outsourcing, and sales performance enhancement. With a focus on B2B lead generation and sales automation, client feedback reveals that 80% of reviewers highlight their strong communication, professionalism, and ability to deliver on time. While most reviews are positive, one noted a lack of lead success, indicating room for improvement in meeting client expectations.

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7 of 7 reviews are 5 stars

4 new reviews for Sales Outsourcing services

Less than $10,000 avg. project cost

Reviewed 7 times in the past 6 months
Over the past six months, clients have consistently praised SalesAR for their proactive communication, timely delivery, and ability to adapt strategies to specific industry needs. For instance, the Mergers and Acquisitions Director of Kaleidex noted a 10% reply rate in their outreach campaign, while Kuasar Marin Engineering highlighted effective lead generation and partnership facilitation. Overall sentiment is highly positive, with clients appreciating the team's dedication and seamless integration into their operations.
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Industry Experience

SalesAR has demonstrated strong expertise in diverse industries, particularly manufacturing, financial services, and healthcare. Feedback highlights their proficiency in lead generation and client engagement, with notable success in securing high-quality meetings. Clients praised their professionalism, adaptability, and strategic insights, while achieving measurable outcomes like increased response rates and successful appointments. Their ability to understand niche markets and tailor outreach effectively makes them a valuable partner for companies seeking growth in various sectors.
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Select Industry to see insights

Software Environmental Services IT Services Other Industry Non-profit Consulting Logistics & Supply Chain Advertising & marketing Engineering Research Chemicals & Biotechnology Retail eCommerce Media Legal Cannabis Beauty & Cosmetics Healthcare Pharmaceuticals Transportation Design Energy & natural resources Financial services Business services Other industries Manufacturing Information technology

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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 is consistently regarded for its cost-effectiveness and value for money, with multiple clients highlighting the alignment of pricing with their budgets. Clients appreciated the high-quality service and results, stating that SalesAR provided good value for the cost, with several noting successful lead generation and appointment-setting outcomes. For instance, one client noted a 200% increase in their pipeline, while another highlighted 40 scheduled appointments. Overall, feedback reflects a positive sentiment regarding the company's pricing structure and the return on investment.
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More responsive than most other service providers

SalesAR 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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Vrand

4.9 11 reviews
Premier Verified

$1,000+

< $25 / hr

10 - 49

Serves Belgrade, Serbia

Services provided

20% Sales Outsourcing

30% Demand Generation Marketing

15% Email Marketing +3

15% Search Engine Optimization

10% Account-Based Marketing

10% Graphic Design

Focus Areas

35% B2B Lead Generation

35% B2B Appointment Setting

30% B2B Lead Qualification

Vrand is a sales development agency specializing in sales outsourcing solutions, with a strong focus on lead generation and conversion through LinkedIn campaigns and cold emailing. Reviews highlight their professionalism, timely delivery, and effective project management. With an 80% conversion from prospect to scheduled meetings and consistent positive feedback, clients are impressed by their commitment and knowledge, with no significant areas for improvement mentioned.

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2 of 2 reviews are 5 stars

2 new reviews for Sales Outsourcing services

Less than $10,000 avg. project cost

Reviewed 2 times in the past 6 months
Recent reviews for Vrand highlight a strong overall sentiment, with clients praising their professionalism, timely delivery, and effective lead generation strategies. A Demand Generation Leader noted an 80% success rate in converting prospects to meetings, while the CEO of RealVole Studio commended their efficient workflow and direct communication. Both clients emphasized Vrand's commitment to meeting project goals without identified areas for improvement, reinforcing the company's reputation as a reliable partner.
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Average Project Cost Breakdown

Less than $10,000 (4) $10,000 to $49,000 (2)

What Clients Have Said
Clients consistently praise Vrand for providing excellent value for money, with multiple reviews highlighting that their pricing fits within budgetary constraints. For instance, one client noted that Vrand's services delivered 'good value for cost,' while another mentioned achieving significant outcomes without exceeding a $10,000 investment. Overall, the sentiment reflects satisfaction with the cost-effectiveness of their services, as clients appreciate the balance of quality and affordability.
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Argentina (4) United States (2) Estonia (1)

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Virtual Sales Limited

4.8 20 reviews
Premier Verified

$1,000+

$50 - $99 / hr

50 - 249

Serves Belgrade, Serbia

Services provided

50% Sales Outsourcing

50% Call Center Services

Focus Areas

50% B2B Lead Generation

50% B2B Appointment Setting

Virtual Sales Limited is a sales outsourcing solutions company specializing in sales team augmentation, sales performance enhancement, and lead generation. Their reviews indicate a high level of customer satisfaction, with 100% of reviewers praising their communication, project management, and results. Clients consistently highlight their ability to integrate seamlessly with in-house teams and deliver impressive outcomes, such as significant lead generation and meeting bookings.

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3 of 5 reviews are 5 stars

3 new reviews for Sales Outsourcing services

Less than $10,000 avg. project cost

Reviewed 5 times in the past 6 months
Over the past six months, Virtual Sales Limited has received positive feedback for their effective lead generation and appointment-setting services. Clients commend their flexibility, responsiveness, and industry knowledge, noting measurable outcomes such as an increase in meetings and qualified leads. Specific feedback highlights their ability to adapt quickly to client needs and deliver on time, with one client stating, 'they act as an extension of our team.' Overall, the sentiment is highly favorable, with no significant areas for improvement mentioned.
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11 of 13 Sales Outsourcing reviews are 5 stars

3 new reviews for Sales Outsourcing in past 6 months

Less than $10,000 avg. project cost

Sales Outsourcing PROJECT HIGHLIGHT

Sales Outsourcing for Holding Company
5.0 — A holding company has hired Virtual Sales Limited to engage with business owners and persuade them to sell their company. The team is responsible for explaining the client's goals to the business Read more
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Industry Experience

Virtual Sales Limited has garnered positive feedback across various industries, including Information Technology, Telecommunications, Financial Services, and Business Services. Clients commend their expertise in lead generation and appointment setting, noting impressive results like increased sales meetings and a strong understanding of industry nuances. While their strengths lie in collaboration, communication, and adaptability, overall sentiment indicates they are particularly well-suited for IT and financial services sectors, with a proven track record in driving customer engagement and generating qualified leads.
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Software IT Services Construction Financial services Advertising & marketing Consulting Supply Chain, Logistics, and Transport Other industries Telecommunications Business services Information technology

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England (9) United States (4) Bulgaria (1) Croatia (1) France (1)

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New Angles Consulting

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Beograd, Serbia

Services provided

25% Sales Outsourcing

25% Event Management

25% HR Consulting +1

25% Market Research

Focus Areas

100% B2B Lead Generation

New Angles Consulting is a Market Research company. Their team is based in Beograd, Serbia. The agency offers Market Research and Sales Outsourcing.
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TrustVera

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Beograd, Serbia

Services provided

10% Sales Outsourcing

10% Business Consulting

10% Conversion Optimization +7

10% Corporate Training & Coaching

10% Digital Strategy

10% Email Marketing

10% IT Strategy Consulting

10% Market Research

10% Marketing Strategy

10% Social Media Marketing

Focus Areas

34% B2B Lead Generation

33% B2B Appointment Setting

33% B2B Lead Qualification

TrustVera, a Market Research company, is in Beograd, Serbia. Established in 2022, the team focuses on Market Research and Marketing Strategy.
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Fyxer Industries Ltd

5.0 2 reviews

$1,000+

< $25 / hr

50 - 249

Пожаревац, Serbia

Services provided

20% Sales Outsourcing

50% Customer Service Outsourcing

20% Back Office Outsourcing +1

10% Social Media Marketing

Focus Areas

20% B2B Lead Generation

40% B2B Appointment Setting

40% B2B Lead Qualification

Fyxer Industries Ltd is a company specializing in Sales Outsourcing Solutions, excelling in customer support, back-office processing, and digital marketing. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their dedication to client satisfaction and efficient operations. Their ability to customize services and foster strong client relationships is consistently highlighted.

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Industry Experience

Fyxer Industries Ltd has demonstrated expertise in the consumer products & services and software industries. Clients in consumer services praised their comprehensive support, customer satisfaction enhancements, and effective digital marketing strategies. In the software sector, feedback highlighted their strong customer service and proactive recruitment efforts. Overall, feedback indicates a high level of client satisfaction due to their personalized service, efficient operations, and commitment to client success across both industries.
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Software Consumer products & services

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Canada (1) Serbia (1)

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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

Clients in Belgrade commend Fyxer Industries for their professionalism, timely execution, and customized services across digital marketing, customer support, and back-office functions. Their dedicated team ensures seamless project management and responsive support, fostering strong, trust-based partnerships.
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Rely Staff

Not yet reviewed

$1,000+

< $25 / hr

10 - 49

Novi Sad, Serbia

Services provided

10% Sales Outsourcing

30% Back Office Outsourcing

30% Call Center Services +1

30% Customer Service Outsourcing

Focus Areas

30% B2B Lead Generation

40% B2B Appointment Setting

30% B2B Lead Qualification

Rely Staff is a call center established in 2021. The team focuses on Call Center Services and Back Office Outsourcing and is located in Novi Sad, Serbia.
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Callosseum Call Centre

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Beograd, Serbia

Services provided

25% Sales Outsourcing

50% Call Center Services

25% Customer Service Outsourcing

Focus Areas

100% B2B Lead Generation

Callosseum Call Centre is a call center company in Beograd, Serbia. They specialize in Call Center Services and Sales Outsourcing.
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ICM International Call Center Marketing

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Beograd, Serbia

Services provided

10% Sales Outsourcing

80% Call Center Services

10% Customer Service Outsourcing

Focus Areas

100% B2B Lead Generation

ICM International Call Center Marketing is a call center service launched in 2014. The team specializes in Call Center Services and Sales Outsourcing and is located in Beograd, Serbia.
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Top Lead Generation Companies in Belgrade

List of the Top Belgrade Lead Generation Services

Reviewed 6 times in the past 6 months

B2B Lead Generation Experience

Average Project Cost Breakdown

What Clients Have Said

LevelUp Leads is very responsive

Reviews mention Timely

Sales Coaching & Staff Augmentation for Truck Dealer

Corporate Training for Truck Dealership Company

Lead Gen, Value Proposition & Messaging for IT Services Co

Lead Generation Services for Business Software Provider

Marketing Strategy & Research for Fundraising Advisory Co

Lead Generation for Mentoring Platform

Industry Experience

Select Industry to see insights

Atlantic Growth Solutions is very responsive

Reviewed 2 times in the past 6 months

B2B Lead Generation Experience

Industry Experience

Select Industry to see insights

Reviews mention Hard working

Recruitment Services for Outsourcing Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Lead Generation for Digital Mktg & Creative Consultancy

Reviewed 7 times in the past 6 months

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

SalesAR is very responsive

Reviewed 2 times in the past 6 months

Average Project Cost Breakdown

What Clients Have Said

Reviewed 5 times in the past 6 months

Sales Outsourcing for Holding Company

Industry Experience

Select Industry to see insights

Industry Experience

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List of the Top 1 Belgrade Lead Generation Services

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