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Top Lead Generation Companies in Belgrade

Ratings Updated: February 23, 2026

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Featured

What are Featured Providers?
LevelUp Leads

5.0 54 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 Outsourcing Solutions company specializing in sales team outsourcing, performance enhancement, and BPO services. Based on the reviews, 100% of clients praised their flexibility, responsiveness, and alignment with company values. Clients frequently highlighted their effective communication and project management skills, with 90% mentioning their ability to exceed set goals and adapt strategies to client needs.

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Reviews mention Proactive
The feedback indicates a strong proactive sentiment regarding LevelUp Leads. Clients praised their responsiveness and commitment to collaboration, with one noting their 'genuine commitment to getting results' and ability to quickly adapt strategies based on feedback. Another client highlighted their 'proactive communication' and the team's ability to 'anticipate problems and implement solutions.' Overall, clients felt that the proactive approach significantly contributed to successful outcomes and a seamless partnership.

Sales Outreach, Email & Social Media Mktg for Wealth Mgmt Co

5.0 Jan 8, 2024

Their approach is very efficient. They set me up on a chat line where I could communicate quickly with all members of the team. Messages were send back and forth easily to quickly address questions from clients they talk to and discuss ways in which we can refine our overall message. Bi-weekly calls with the team were set up with discussions about our message and feedback on things like our website and social media ages. All incredibly useful. Weekly stats showing call/meeting ratios and detail on upcoming meetings and background on who. It is clear they all like their job and are proactive and extremely helpful.
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Email Campaigns for Digital Marketing Agency

5.0 Jul 3, 2023

They are responsive, proactive, and quick to ask for feedback to improve their service. They produced results by getting me meetings and most importantly conversions.
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Email Marketing for Business Translation Agency

5.0 Jun 15, 2023

Loved working with the team. We communicated on Slack and Zoom. They were not only super responsive, they were thinking proactively - anticipating problems and implementing solutions. They were responsive and proactive; I can't say enough about the excellent collaboration.
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Marketing & Lead Generation for Self-Employed Contractor

4.5 Jun 6, 2023

The LevelUp team is very attentive to customer goals and objectives. They focus not just on the details, but also on the larger picture, actively contributing to the achievement of the broader goals. The team supports a healthy and pro-active two way dialogue, and is available to help with any issues, concerns, or requests.
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Outbound Sales Services for Performance Marketing Company

5.0 Feb 1, 2025

Overall, they were reliable, proactive, and easy to work with. They handled the heavy lifting, so we never had to worry about missed deadlines or things falling through the cracks. Communication was seamless, and it always felt like they were a step ahead, making sure everything was running efficiently.
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4 of 5 reviews are 5 stars

5 new reviews for Sales Outsourcing services

$10,000 – $49,000 avg. project cost

Reviewed 5 times in the past 6 months
Recent reviews of LevelUp Leads highlight their exceptional performance in lead generation and project management. Clients praised their responsiveness and flexibility, with one noting they exceeded all set deliverables and generated significant meetings. The team was commended for their proactive communication and ability to adapt strategies based on client feedback. However, some clients suggested minor improvements in communication consistency. Overall, the sentiment is highly positive, indicating strong client satisfaction and effective partnership.
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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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United States (43) Canada (2) Bulgaria (1) India (1)

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Atlantic Growth Solutions

4.9 13 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 Development Agency specializing in Sales Outsourcing Solutions and lead generation. Reviews indicate a strong emphasis on professionalism, with 100% of reviewers noting timely delivery and responsiveness. Approximately 75% of reviewers highlighted impressive results, such as increased meeting bookings and sales process improvements, underscoring their expertise in Sales Support Services and Sales Performance Enhancement.

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1 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 client feedback on Atlantic Growth Solutions highlights their effective lead generation and project management capabilities. A CEO noted their ability to secure leads independently, while a Director from a government agency praised their results-oriented approach and professionalism. Clients appreciated timely communication and regular updates, although suggestions for improvement included enhanced CRM integration and more detailed pre-meeting information. Overall, sentiment is positive, emphasizing value for cost and alignment with client goals.
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0 of 1 B2B Lead Generation reviews is 5 stars

1 new review for B2B Lead Generation in past 6 months

Unknown avg. project cost

B2B Lead Generation Experience

Atlantic Growth Solutions received overwhelmingly positive feedback for their B2B Lead Generation services, with clients praising their results-oriented approach and effective project management. Notably, 90% of reviewers highlighted the company's professionalism and communication efficiency, while 70% mentioned success in generating qualified leads. Clients appreciated the alignment of values and budget fit, although some suggested improvements in CRM integration. Overall, the sentiment reflects a strong capability in delivering valuable lead generation outcomes.
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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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Canada (12) United States (1)

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A-SALES AB

4.9 62 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 is a Sales Outsourcing Solutions company specializing in Sales Team Outsourcing, Sales Talent Acquisition, and Sales Process Automation. They have delivered consistent results with a structured approach, achieving a monthly average of 9-22 qualified meetings for various clients. Reviews indicate a 90% satisfaction rate, highlighting their ability to understand niche markets and tailor outreach effectively, although one review reported a negative experience due to low-quality service and unprofessional conduct.

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13 of 14 reviews are 5 stars

13 new reviews for Sales Outsourcing services

Less than $10,000 avg. project cost

Reviewed 14 times in the past 6 months
Recent reviews for A-SALES AB reflect a predominantly positive sentiment, highlighting their effective lead generation strategies and structured project management. Clients noted an impressive average of 15-22 qualified meetings per month, with tailored outreach that resonated with target audiences. Specific feedback praised their responsiveness and ability to adapt messaging to various sectors, while one review criticized the quality of deliverables. Overall, A-SALES AB is recognized for delivering value and maintaining strong client relationships.
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40 of 43 Sales Outsourcing reviews are 5 stars

19 new reviews for Sales Outsourcing in past 6 months

Less than $10,000 avg. project cost

Sales Outsourcing PROJECT HIGHLIGHT

Sales Outsourcing & Lead Geneneration for B2B SaaS Company
5.0 — A-SALES AB provides ongoing sales outsourcing services for a B2B SaaS company. The team engages with enterprise accounts and sets meetings with qualified leads using email and phone outreach. Read more
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United States (13) Sweden (10) Norway (7) India (4) England (3) Finland (2) Canada (1) Germany (1) France (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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Göteborg, Sweden

8B Regnbågsgatan
Göteborg, Sweden 417 55
41 - 49

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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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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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Netherlands (1) Serbia (1) United Arab Emirates (1) Turkey (1)

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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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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Belgrade-based Silver Bell Group excels in digital marketing and creative consulting, delivering timely lead generation solutions. Clients praise their punctuality, work ethic, and effective project management, resulting in successful client conversions and seamless communication through virtual meetings.
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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

4.9 128 reviews
Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Belgrade, Serbia

Services provided

80% Sales Outsourcing

10% Call Center Services

5% Content Marketing +1

5% Email Marketing

Focus Areas

60% B2B Lead Generation

40% B2B Appointment Setting

SalesAR is a Sales Outsourcing Solutions provider specializing in lead generation, sales talent acquisition, and sales team outsourcing. The reviews highlight their strong project management, effective communication, and tailored outreach strategies. Approximately 80% of feedback is positive, with many clients noting their professionalism and commitment to delivering high-quality results, although some suggest improvements in personalization and qualifying leads more effectively.

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3 of 6 reviews are 5 stars

2 new reviews for Sales Outsourcing services

Less than $10,000 avg. project cost

Reviewed 6 times in the past 6 months
In the last six months, client feedback on SalesAR has been mixed. Positive reviews highlight their strong project management, timely delivery, and effective lead generation strategies, particularly in sectors like SaaS and renewable energy, with one client noting over ten high-quality meetings booked. However, negative feedback reveals significant shortcomings, including failed lead generation and low response rates in other projects, with one client reporting zero leads. Overall sentiment reflects a divide between successful engagements and disappointing outcomes.
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7 of 13 B2B Lead Generation reviews are 5 stars

3 new reviews for B2B Lead Generation in past 6 months

Less than $10,000 avg. project cost

B2B Lead Generation Experience

SalesAR's reviews present a mixed picture of their B2B Lead Generation service. Approximately 60% of clients report positive outcomes, highlighting effective communication, prompt deliverables, and high-quality lead research. However, 40% express dissatisfaction, citing issues like irrelevant leads and spammy outreach tactics. Notably, positive feedback often mentions successful appointment settings and tailored messaging, while negative feedback focuses on a lack of relevant leads and poor understanding of client needs. Overall, SalesAR shows potential for effective lead generation but requires improvements in targeting and strategy.
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United States (24) Ukraine (16) Germany (8) Estonia (4) Norway (3) Switzerland (3) Sweden (3) Russia (3) Denmark (3) Romania (3) Slovenia (2) Serbia (2) Italy (2) Belarus (2) North Macedonia (2) Israel (2) Austria (2) Ireland (1) Cyprus (1) India (1) Singapore (1) Poland (1) Spain (1) Croatia (1) China (1) Canada (1) Netherlands (1) Monaco (1) England (1)

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Kyiv, Ukraine

Okhtyrsky Lane
Kyiv, Ukraine 02000
50 - 75

+38 (093) 202 22 31

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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 company specializing in Sales Outsourcing Solutions, providing services such as lead generation and appointment setting across various industries. With a 100% positive feedback rate, reviewers appreciate their excellent project management, efficient workflows, and ability to enhance sales pipelines and conversions. Around 70% of reviewers highlight Vrand’s strategic insight and data-driven approach, emphasizing their effectiveness in achieving business objectives and client satisfaction.

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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 past six months, clients have praised Vrand for their effective lead generation and excellent project management. A CEO noted their ability to secure numerous meetings and increase contact networks. Another client highlighted Vrand's rapid understanding of project requirements and their professional communication. Overall sentiments are highly positive, with clients expressing satisfaction and noting minimal areas for improvement.
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More responsive than most other service providers

Vrand 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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Argentina (3) United States (3) Estonia (1) Spain (1)

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Buenos Aires, Argentina

501 Loyola
Buenos Aires, Argentina C1414
6 - 9

+54 9 11 5622-8729

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Virtual Sales Limited

4.9 17 reviews
Premier Verified

$1,000+

$100 - $149 / hr

10 - 49

Serves Belgrade, Serbia

Services provided

90% Sales Outsourcing

10% Call Center Services

Focus Areas

50% B2B Lead Generation

50% B2B Appointment Setting

Virtual Sales Limited is a specialized Sales Outsourcing Solutions provider, offering services such as Sales Team Augmentation and Sales Performance Enhancement. Reviews consistently highlight their reliable project management, with a 100% positive feedback rate on meeting deadlines and maintaining effective communication. Approximately 85% of reviewers commend their ability to generate qualified leads and enhance sales pipelines, underscoring their expertise in optimizing sales operations.

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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 past six months, clients have expressed high satisfaction with Virtual Sales Limited, highlighting their effective communication and reliability. One client noted the successful booking of multiple new meetings weekly, while another praised their ability to deliver on time and maintain alignment with project goals. Feedback emphasized the company's professionalism and responsiveness, with no reported areas for improvement. Overall, the sentiment is overwhelmingly positive, showcasing Virtual Sales Limited as a valuable partner in business growth.
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6 of 7 B2B Lead Generation reviews are 5 stars

1 new review for B2B Lead Generation in past 6 months

$10,000 – $49,000 avg. project cost

B2B Lead Generation Experience

Virtual Sales Limited has received overwhelmingly positive feedback for their B2B Lead Generation services, with 100% of clients expressing satisfaction. Key strengths noted include their professionalism, responsiveness, and ability to understand complex products quickly. Clients highlighted measurable results, such as an average of 3-10 new meetings booked weekly, and a 5% conversion rate, showcasing their effective outreach strategies. Reviewers appreciate their transparent communication and detailed reporting, with no suggestions for improvement noted across all reviews.
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More responsive than most other service providers

Virtual Sales Limited 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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England (7) United States (3) 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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Call Center 8

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Beograd, Serbia

Services provided

50% Sales Outsourcing

50% Call Center Services

Focus Areas

50% B2B Lead Generation

50% B2B Appointment Setting

Call Center 8 is a small Beograd, Serbia-based call center and Sales Outsourcing company. The team specializes in Call Center Services 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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1 of 1 Belgrade-based review is 5 stars

$50,000 – $199,999 avg. project cost for Sales Outsourcing services in Belgrade

Belgrade-based Sales Outsourcing project highlight

SMM & Sales Outsourcing for Thermography Services Company
5.0 — Fyxer Industries Ltd provides social media marketing (SMM) and sales outsourcing services for a thermography services company. The team offers after-sale support and manages marketing efforts on 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

Belgrade-based clients praise Fyxer Industries for their comprehensive services, including customer support, digital marketing, and back-office support, delivering measurable results like increased customer satisfaction and website traffic. Their organized project management and prompt responsiveness ensure seamless, tailored solutions for complex projects.
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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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Featured

What are Featured Providers?

Belkins

4.9 230 reviews
Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Belgrade, Serbia

Services provided

70% Sales Outsourcing

10% CRM Consulting and SI

10% Call Center Services +1

10% Email Marketing

Focus Areas

65% B2B Lead Generation

35% B2B Appointment Setting

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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6 of 7 reviews are 5 stars

6 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 Belkins reflect a strong overall sentiment, highlighting their effective lead generation and project management. Clients praised the team's discipline, communication, and ability to deliver measurable results, such as 78 appointments with decision-makers and a 3.6x ROI. Specific feedback noted their proactive approach and tailored outreach strategies, contributing to consistent engagement and high-quality leads. Areas for improvement were minor, with clients emphasizing satisfaction with the collaboration and results achieved.
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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.
Get in Touch

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View projects from:

United States (136) Ukraine (23) Canada (8) Estonia (6) England (5) Germany (5) Poland (3) Russia (2) Norway (2) Denmark (2) Belgium (2) Ireland (2) Cyprus (2) Latvia (2) Singapore (2) Portugal (2) Netherlands (2) Czech Republic (1) Finland (1) Mexico (1) Romania (1) Australia (1) Lithuania (1) Slovenia (1) Switzerland (1) United Arab Emirates (1) Israel (1) Chile (1) India (1)

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Kyiv, Ukraine

Volodymyrska St, 101
Kyiv, Ukraine 02000
50 - 75

0674659513

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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

Reviews mention Proactive

Sales Outreach, Email & Social Media Mktg for Wealth Mgmt Co

Email Campaigns for Digital Marketing Agency

Email Marketing for Business Translation Agency

Marketing & Lead Generation for Self-Employed Contractor

Outbound Sales Services for Performance Marketing Company

Reviewed 5 times in the past 6 months

LevelUp Leads is responsive

Reviewed 2 times in the past 6 months

B2B Lead Generation Experience

Atlantic Growth Solutions is very responsive

Reviewed 14 times in the past 6 months

Sales Outsourcing & Lead Geneneration for B2B SaaS Company

Industry Experience

Select Industry to see insights

Lead Generation for Digital Mktg & Creative Consultancy

Reviewed 6 times in the past 6 months

B2B Lead Generation Experience

Reviewed 2 times in the past 6 months

Vrand is very responsive

Reviewed 2 times in the past 6 months

B2B Lead Generation Experience

Virtual Sales Limited is very responsive

Industry Experience

Select Industry to see insights

SMM & Sales Outsourcing for Thermography Services Company

Reviewed 7 times in the past 6 months

Belkins is responsive

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List of the Top 1 Belgrade Lead Generation Services

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