Leave a Review For Providers 0 0
  • Post a Project
Home Call Centers Sales Outsourcing Bulgaria Sofia

Top Sales Outsourcing Companies in Sofia

Ratings Updated: April 2, 2026
We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. Learn how Clutch ensures trust
Get Matched

8 Leaders 7 Contenders

15 Companies

Country: Bulgaria
City: Sofia
Services: Sales Outsourcing

List of the Top Sofia B2B Sales Outsourcing Services

  • Featured

    What are Featured Providers?

    LevelUp Leads Logotype

    LevelUp Leads

    5.0 56 reviews
    Premier Verified
    $1,000+
    $25 - $49 / hr
    50 - 249
    Serves Sofia, Bulgaria

    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.

    See all 56 projects
    26 of 29 Sales Outsourcing reviews are 5 stars
    7 new reviews for Sales Outsourcing in past 6 months
    $10,000 – $49,000 avg. project cost

    Sales Outsourcing PROJECT HIGHLIGHT

    Sales Outsourcing & Marketing Services for IoT Solutions Co

    5.0 — LevelUp Leads provides sales and marketing services for an IoT solutions provider. The team runs the client's sales efforts, including cold and warm calls, follow-ups, re-engagement, and social Read more
    Read 29 Reviews

    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.
    Read All Reviews

    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.
    Get in Touch

    View projects from:

    United States (45) Canada (2) Bulgaria (1) India (1)

    This provider is fluent in 1 language:

    • English

    This provider is available in 3 time zones:

    • Central Standard Time (CST)
    • Eastern Standard Time (EST)
    • Pacific Standard Time (PST)
    View Profile Visit Website
    Belkins Logotype

    Belkins

    4.9 230 reviews
    Premier Verified
    $1,000+
    < $25 / hr
    50 - 249
    Serves Sofia, Bulgaria

    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.

    See all 230 projects
    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 feedback for Belkins highlights their exceptional project management and effective lead generation strategies. Clients reported significant outcomes, such as 78 appointments with decision-makers and 137 qualified demos, demonstrating a strong ROI. Notable comments include their proactive approach and ability to adapt strategies for better results. While most clients expressed high satisfaction, some suggested improvements in lead qualification processes. Overall, the sentiment towards Belkins is overwhelmingly positive, with clients appreciating their professionalism and commitment to delivering results.
    Read 7 Recent Reviews

    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.

    Read All Reviews

    Select Industry to see insights

    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

    Average Project Cost Breakdown

    $10,000 to $49,000 (108) $50,000 to $199,999 (31) Less than $10,000 (25) $200,000 to $999,999 (3) $1,000,000 to $9,999,999 (1)

    What Clients Have Said

    Clients consistently highlight Belkins' exceptional value for money, noting their ability to deliver high-quality leads and appointments at competitive rates. One client mentioned achieving a 3.6x ROI on their investment, while another praised the team's flexibility and responsiveness. Several reviews specifically commend the company's effectiveness in generating qualified appointments, with many clients exceeding their expected targets. Overall, the sentiment reflects satisfaction with the cost-effectiveness of Belkins' services, reinforcing their reputation as a reliable partner in lead generation.
    Read All Reviews

    More responsive than most other service providers

    Belkins is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile Visit Website
    A-SALES AB Logotype

    A-SALES AB

    4.9 62 reviews
    Premier Verified
    $1,000+
    < $25 / hr
    50 - 249
    Serves Sofia, Bulgaria

    Services provided

    80% Sales Outsourcing
    10% Call Center Services
    10% Email Marketing

    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.

    See all 62 projects

    Reviews mention Exceptional results

    Clients consistently commend A-SALES AB for delivering exceptional results, particularly in lead generation and appointment setting. One client noted the scheduling of over 20 high-quality meetings within the first 60 days, exceeding expectations. Another highlighted a steady flow of 20+ qualified sales appointments each month. Both clients praised the company's proactive communication, responsiveness, and innovative approach, underscoring a strong alignment with their business goals and a commitment to excellence.
    • Sales Appointment Setting for Optimization Strategy Company
      5.0 Jun 24, 2024

      Setting up meetings with "whale brands". Brands we didn't think were approachable before. A-SALES went ahead and scheduled 20+ high quality meetings within the first 60 days, surpassing our expectations.

      Read Full Review
    • Lead Generation Services for IT Company
      5.0 Apr 2, 2024

      They have set up great conversations with the Ideal Customer Profile we identified which has progressed into solid business opportunities. Never missed a beat, they delivered results punctually, but it was their responsiveness that solidified our partnership. Few can match the agility and flexibility that they brought to the table.

      Read Full Review
    • Lead Generation Services for Software Company
      5.0 Nov 22, 2025

      We saw a steady increase in outbound performance, with A-Sales booking roughly 10–14 qualified meetings per month on average and maintaining a consistent cadence. Their outreach helped us break into three new European markets and start conversations with decision makers across several new industries and job roles we had not previously accessed.

      Read Full Review
    Read All Reviews
    8 of 9 reviews are 5 stars
    9 new reviews for Sales Outsourcing services
    Less than $10,000 avg. project cost

    Reviewed 9 times in the past 6 months

    Recent reviews of A-SALES AB reflect a generally positive sentiment, highlighting their structured project management and effective lead generation strategies. Clients reported generating an average of 15-22 qualified meetings per month, with tailored outreach that resonated with target audiences. Notably, one client praised their ability to adapt outreach for a niche market. However, there was a significant negative review citing poor quality work and unprofessionalism, indicating inconsistency in service delivery.
    Read 9 Recent Reviews
    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
    Read 43 Reviews

    View projects from:

    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)

    This provider is fluent in 26 languages:

    • English
    • Arabic
    • Russian
    • Portuguese
    • German
    • French
    • Turkish
    • Italian
    • Polish
    • Ukrainian
    • Romanian
    • Dutch
    View all languages
    View Profile Visit Website
  • MarKam Solutions Logotype

    5.0 9 reviews
    Premier Verified
    $1,000+
    < $25 / hr
    50 - 249
    Sofia, Bulgaria

    Services provided

    20% Sales Outsourcing
    30% Call Center Services
    20% Customer Service Outsourcing +2 services
    20% IT Managed Services
    10% Back Office Outsourcing

    MarKam Solutions is a Sales Outsourcing Solutions company specializing in Sales Team Outsourcing, Sales Staffing, and Sales Operations Consulting. With a 100% positive review rate, clients consistently commend MarKam for their exceptional project management, prompt communication, and industry expertise, with 83% highlighting significant improvements in sales performance and operational efficiency. They are praised for their adaptability and data-driven approaches, ensuring cost-effective and innovative solutions.

    See all 9 projects
    6 of 6 Sales Outsourcing reviews are 5 stars
    1 new review for Sales Outsourcing in past 6 months
    $50,000 – $199,999 avg. project cost

    Sales Outsourcing PROJECT HIGHLIGHT

    Call Center Services for Logistics & Supply Chain Company

    5.0 — MarKam Solutions provides outsourcing services for a logistics and supply chain company. The team is tasked with improving customer satisfaction, implementing new tech, and reducing operational Read more
    Read 6 Reviews

    Industry Experience

    MarKam Solutions has demonstrated expertise across various sectors, including Advertising & Marketing, Supply Chain & Logistics, Manufacturing, Transportation, and Information Technology. Clients commend their ability to enhance operational efficiency, boost sales, and improve customer satisfaction. The overall sentiment is highly positive, particularly within Supply Chain & Logistics, where they provided significant cost reductions and revenue growth. Their strengths lie in adaptability, effective communication, and a strong understanding of industry-specific needs, making them a suitable partner across these diverse fields.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Information technology Supply Chain, Logistics, and Transport Manufacturing Transportation

    Average Project Cost Breakdown

    $50,000 to $199,999 (3) $10,000 to $49,000 (1) $200,000 to $999,999 (1)

    What Clients Have Said

    Clients consistently praised MarKam Solutions for their competitive pricing and excellent value for money. One client highlighted that their pricing fit the budget while providing a 'good value for cost.' Another noted a 35% decrease in labor costs while meeting sales goals, emphasizing affordability without sacrificing quality. Overall, feedback reflects strong satisfaction with cost-effectiveness, suggesting that MarKam Solutions delivers substantial value relative to their fees.
    Read All Reviews

    View projects from:

    United States (4) Bulgaria (3) England (1)

    This provider is fluent in 10 languages:

    • Arabic
    • English
    • Dutch
    • German
    • Romanian
    • Spanish
    • Swedish
    • Russian
    • Portuguese
    • Italian
    View Profile Visit Website
  • Mercatus Logotype

    4.8 22 reviews
    Verified
    $5,000+
    < $25 / hr
    50 - 249
    Sofia, Bulgaria

    Services provided

    20% Sales Outsourcing
    50% Customer Service Outsourcing
    10% Back Office Outsourcing +2 services
    10% Call Center Services
    10% IT Staff Augmentation

    Mercatus is a Sales Outsourcing Solutions company specializing in lead generation, appointment setting, and outreach campaigns. Their services are praised for enhancing sales performance through efficient execution, proactive communication, and strategic lead generation across various markets. Approximately 80% of reviews highlight their strong project management and adaptability, although some suggest improvements in targeting specific market niches like the UK.

    See all 22 projects
    1 of 1 reviews is 5 stars
    1 new review for Sales Outsourcing services
    $50,000 – $199,999 avg. project cost

    Reviewed 1 time in the past 6 months

    In recent reviews, clients commend Mercatus for their effective lead generation and outreach strategies, particularly highlighting success in the Bulgarian market. One executive noted significant appointment settings and increasing product visibility due to Mercatus's proactive efforts. However, there are suggestions for improvement in expanding outreach in the UK market. Overall sentiment remains positive, with clients appreciating the team's project management and communication skills.
    Read 1 Recent Review

    Industry Experience

    Mercatus demonstrates strong expertise in lead generation across diverse industries including Consulting, IT Services, Engineering, Retail, Software, Consumer Products, Construction, and Financial Services. Clients commend their effective communication, project management, and ability to adapt to specific industry needs. Overall sentiment is positive, with notable success in enhancing sales pipelines and client engagement, particularly in IT and Consulting. Potential clients in these sectors may find Mercatus to be a suitable partner for their lead generation and outreach initiatives.

    Read All Reviews

    Select Industry to see insights

    Information technology Consulting IT Services Engineering Retail Software Consumer Products Construction Manufacturing Human Resources Financial services

    Average Project Cost Breakdown

    Less than $10,000 (11) $10,000 to $49,000 (5) $50,000 to $199,999 (2)

    What Clients Have Said

    Clients consistently highlight Mercatus for providing good value for money, with feedback indicating that their pricing aligns well with budget expectations. One client noted, 'Pricing fit our budget' and described the service as 'good value for cost.' Another emphasized that their investment was repaid within a year. Despite some suggestions for lower prices, the overall sentiment remains positive, with clients appreciating the quality of services relative to the costs incurred.
    Read All Reviews
    2 of 2 Sofia-based reviews are 5 stars
    Less than $10,000 avg. project cost for Sales Outsourcing services in Sofia

    Sales Outsourcing project highlight

    Lead Generation Services for Digital Products Company

    5.0 — Mercatus provides lead generation and outreach campaign services for a digital products company. The team conducts outreach campaigns via LinkedIn, email, and cold calling to promote the client's Read more
    Read Similar Reviews
    View Profile Visit Website

  • Featured

    What are Featured Providers?

    CoDev Logotype

    CoDev

    4.7 16 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    250 - 999
    Serves Sofia, Bulgaria

    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.

    See all 16 projects

    Reviews mention Experienced

    The client expressed high satisfaction with CoDev's experienced team, noting their responsiveness and industry knowledge. They highlighted the team's ability to adapt to evolving project needs and effectively communicate updates. The client appreciated the extensive experience of the team, indicating a preference to retain them for future projects despite not fully utilizing their capabilities. However, they suggested improvements in monitoring team engagement to optimize productivity.
    • Application Testing for Game Server Platform
      4.5 Aug 29, 2024

      The talent pool and expertise as well as the cost efficiency they provide are impressive. Overall, CoDev has been excellent to work with. Talent pool and expertise are notable highlights of their service.

      Read Full Review
    • Back Office Outsourcing for Financial Services Company
      4.0 Aug 23, 2024

      The team is pretty responsive and knowledgeable about the industry. We know that we are not using them to their full capacity but have decided to keep all 4 because of their extensive experience and know that as our business grows they will see more work coming to them.

      Read Full Review
    Read All Reviews
    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
    Read 1 Review

    Industry Experience

    CoDev has demonstrated expertise across various industries, notably in Advertising & Marketing, Information Technology, Software, Gaming, Financial Services, Medical, and Education. Clients commend their strong processes, effectiveness in lead generation, design consistency, and quality assurance. The sentiment is overwhelmingly positive, highlighting their professionalism, communication, and cultural alignment. CoDev's strengths lie in rapid project delivery, talent quality, and impactful support, making them a valuable partner for businesses in these sectors.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Information technology Gaming Software Financial services Business services Medical Education

    View projects from:

    United States (13) Canada (1) England (1)
    View Profile Visit Website
  • MarketStar Bulgaria Logotype

    5.0 28 reviews
    $25,000+
    Undisclosed
    1,000 - 9,999
    Sofia, Bulgaria

    Services provided

    75% Sales Outsourcing
    20% Product Marketing
    5% Direct Marketing

    MarketStar Bulgaria is a Sales Outsourcing Solutions provider known for enhancing client sales processes through strategy development, team training, and lead generation. Reviews highlight their expertise, with 100% emphasizing their tailored programs and commitment to client success. Their structured approach to sales performance enhancement and adaptability ensure clients achieve measurable growth and efficiency improvements.

    See all 28 projects

    Reviews mention Great project management

    MarketStar Bulgaria has received high praise for its exceptional project management capabilities. Clients highlighted their timely delivery of all project components and a structured approach that facilitated a productive learning experience. One client noted the team's responsiveness and adaptability, tailoring their methods to meet specific needs and continuously seeking feedback for improvement. Overall, the sentiment reflects a strong appreciation for their professionalism and commitment to client success throughout the engagement.
    • Sales Consulting for Software Development Company
      5.0 Apr 3, 2023

      The project management throughout the Sales Accelerator programme was truly exceptional. They delivered all items on time, adhering to the agreed-upon schedule while ensuring the quality of their deliverables. The programme's well-structured and organized approach allowed us to stay on track and make the most out of the learning experience.

      Read Full Review
    • Lead Generation for AI Solutions Provider
      5.0 Oct 7, 2021

      Despite some delays on our end they managed to deliver everything and on time. They are great to communicate with and give a transparent report every step of the way. They have a lot of experience and agility that gives them an edge.

      Read Full Review
    Read All Reviews

    Industry Experience

    MarketStar Bulgaria has received positive feedback across various industries, particularly in Software, IT Services, and Financial Services. Clients commend their expertise in sales strategy development, lead generation, and effective communication. They have effectively enhanced sales processes for software development companies, fintech firms, and IT service providers, leading to improved lead acquisition and revenue growth. Overall sentiment reflects satisfaction with their methods, adaptability, and the impact they've made in streamlining sales operations across these sectors.

    Read All Reviews

    Select Industry to see insights

    Software Financial services IT Services Design Information technology Healthcare Advertising & marketing Business services

    View projects from:

    Bulgaria (21) France (2) Switzerland (2) Luxembourg (1) Netherlands (1)
    1 of 1 Sofia-based review is 5 stars
    Less than $10,000 avg. project cost for Sales Outsourcing services in Sofia

    Sofia-based Sales Outsourcing project highlight

    Sales Consulting for Software Development Company

    5.0 — MarketStar Bulgaria (formerly Out2Bound) provided sales consulting for a software development company. The team provided sales strategy development, sales team training, and lead generation Read more
    Read Similar Reviews
    View Profile

    • Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.

    Get My Matches
  • Lukanoff Consulting Ltd Logotype

    4.9 8 reviews
    $1,000+
    $50 - $99 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    30% Sales Outsourcing
    20% Direct Marketing
    20% Email Marketing +2 services
    20% Marketing Strategy
    10% Account-Based Marketing

    Lukanoff Consulting Ltd is a Sales Outsourcing Solutions company specializing in lead generation, sales performance enhancement, and B2B marketing. Over 90% of their reviews highlight their professionalism, efficiency, and innovative approaches, while more than 80% of clients commend their ability to adapt to company culture and generate significant business opportunities.

    See all 8 projects

    Reviews mention Creative

    Clients have expressed high satisfaction with Lukanoff Consulting Ltd's creative strategies, noting their willingness to implement unconventional tactics tailored to niche markets. One client highlighted the agency's unique approaches and effective tracking of results, which generated over $40 million in business opportunities. Overall, the sentiment surrounding Lukanoff's creativity is overwhelmingly positive, with clients praising their attention to detail and ability to identify target market segments effectively.
    • Lead Generation for Private Equity Firm
      5.0 Feb 24, 2022

      Lukanoff is unafraid to implement unusual tactics to our market segment. Unlike other vendors, they offer unique strategies, and that works for us since we’re on a niche market. They’re also good at tracking results.

      Read Full Review
    Read All Reviews

    View projects from:

    Bulgaria (5) England (1)
    1 of 2 Sofia-based review is 5 stars
    $10,000 – $49,000 avg. project cost for Sales Outsourcing services in Sofia

    Sofia-based Sales Outsourcing project highlight

    Direct Marketing & Sales Outsourcing for ERP Platform

    5.0 — Lukanoff Consulting Ltd provides lead generation, B2B marketing, and sales meeting booking services for a cloud ERP platform. The team generates meetings through phone calls in targeted markets. Read more
    Read Similar Reviews

    Review Rating from Clients

    4.9/5.0

    Quality

    4.9

    Schedule

    4.9

    Cost

    4.9

    Willing to Refer

    4.9

    Sofia clients highlight Lukanoff Consulting’s proficiency in sales consulting, lead generation, and marketing strategy. Their tailored, results-driven approach has helped generate new leads, booked meetings, and closed deals, with clients emphasizing their expertise, timely delivery, and adaptive, client-focused service.
    Read Local Reviews
    View Profile
  • Hypergen Logotype

    5.0 15 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    50% Sales Outsourcing
    25% CRM Consulting and SI
    15% Conversion Optimization +1 service
    10% Email Marketing

    Hypergen is a Sales Outsourcing Solutions company specializing in lead generation and demand generation. Reviews highlight their professionalism, responsiveness, and creativity, with 100% of clients reporting satisfaction with their proactive and organized project management. Clients frequently praise the quality and effectiveness of their leads, indicating a strong alignment with client values and goals.

    See all 15 projects

    Reviews mention High-quality work

    Clients consistently praised Hypergen for delivering high-quality work, noting their impressive ability to quickly understand complex business needs and create effective outreach messaging. The Director of Cofactor Genomics highlighted Hypergen's persuasive email campaigns that yielded great responses, while the VP of Marketing at Blings.io described them as the most professional team ever encountered, delivering valuable leads. Overall, feedback indicates strong satisfaction with Hypergen's creativity, professionalism, and the effectiveness of their campaign strategies.
    • Lead Generation & Email Outreach for Biotechnology Company
      5.0 Jul 5, 2023

      Cofactor is a biotech company with complicated technology that can be difficult to describe efficiently and compellingly. Hypergen used materials provided by Cofactor, such as a pitch deck, to craft persuasive emails that elicited great responses. We are very impressed with the way they learned about our company fairly quickly and created this messaging.

      Read Full Review
    • Email Marketing for SaaS Company
      5.0 Mar 26, 2023

      They are the most professional team I've ever worked with. They are creative, have great execution and are just a great team to work with. And the quality of the leads are incredible.

      Read Full Review
    • Marketing & Lead Generation for Recruitment Platform
      5.0 Dec 15, 2022

      They are very professional and, most important, they deliver what they promise. They are creative when it comes to copy and very data oriented. Their reports looks great!

      Read Full Review
    Read All Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (7) Less than $10,000 (4) $50,000 to $199,999 (2)

    What Clients Have Said

    Clients consistently commend Hypergen for their excellent value for money, highlighting the cost-effectiveness of their services. One client noted that Hypergen's pricing fit their budget while delivering significant results, including a 5x ROI. Another client emphasized the 'good value for cost' and the professional execution that exceeded expectations, resulting in over 300 qualified leads. Overall, sentiment is overwhelmingly positive, with many clients expressing satisfaction with the financial return relative to their investment.
    Read All Reviews

    View projects from:

    United States (8) Bulgaria (3) Canada (2) Israel (1) Romania (1)

    Sofia, Bulgaria

    13 ulitsa "Veslets"
    Sofia, Bulgaria 1000

    16 - 20

    +1 614 432 8647

    See All Locations (2)
    View Profile
  • Euroccor JSC Logotype

    4.5 1 review
    $1,000+
    $25 - $49 / hr
    50 - 249
    София, Bulgaria

    Services provided

    10% Sales Outsourcing
    65% Call Center Services
    15% Customer Service Outsourcing +1 service
    10% Social Media Marketing

    Euroccor JSC is a company specializing in listing quality checks. The reviews highlight their exceptional attention to detail and effective communication, with 100% positive feedback regarding time savings and workflow efficiency. While their speed of service is praised, there is a suggestion for further improvement in this area.

    See all 1 projects

    Industry Experience

    Euroccor JSC has demonstrated strong expertise in the Human Resources sector, specifically in the area of listing quality checks for online job boards. Feedback highlights their exceptional attention to detail and effective communication, which have led to significant time savings for clients. The overall sentiment in this industry is positive, indicating that Euroccor is a reliable partner for HR-related projects.

    Read All Reviews

    Select Industry to see insights

    Human Resources

    Average Project Cost Breakdown

    What Clients Have Said

    Clients have generally reported that Euroccor JSC offers good value for money, particularly noting their efficiency in saving time during projects. One client highlighted the company's attention to detail as exceptional, which contributes positively to their perceived value. However, there is a suggestion for improvement regarding the speed of service, indicating room for enhancement in their overall responsiveness. Overall, the sentiment reflects satisfaction with the cost relative to the quality of services provided.
    Read All Reviews
    View Profile
  • ScaleRush Logotype

    5.0 2 reviews
    Undisclosed
    Undisclosed
    10 - 49
    Sofia, Bulgaria

    Services provided

    80% Sales Outsourcing
    20% Email Marketing

    Scale Rush is a Sales Outsourcing Solutions company known for its effective lead generation and sales performance enhancement. With a strong reputation for delivering results and customizing approaches, Scale Rush has increased sales pipelines by 50% for its clients and received 100% positive feedback regarding their industry knowledge and dedication to client success.

    See all 2 projects

    Reviews mention Timely

    Clients consistently commend Scale Rush for their timely delivery and effective project management. One client noted that Scale Rush not only met but exceeded expectations by generating over 120 leads within the initial 60 days, which significantly surpassed their usual closing rate. The structured communication, including biweekly Zoom meetings, has also been highlighted as a positive aspect, reinforcing the company's reputation for reliability and punctuality.
    • Lead Generation for Video Game & Software Development Co
      5.0 Aug 25, 2025

      Scale Rush always overdelivers and is on time. We communicate via email and biweekly Zoom meetings.

      Read Full Review
    Read All Reviews

    Industry Experience

    Scale Rush has demonstrated expertise in the Construction and Gaming industries. In Construction, they excelled in sales outsourcing, significantly enhancing the sales pipeline and appointment-setting rates, with positive feedback on their industry knowledge and proactive communication. In Gaming, their tailored lead generation strategies exceeded expectations, achieving a high closing rate with customized outreach. Overall, they are well-regarded for their results-driven approach and strong communication, making them a strong match for clients in these sectors.

    Read All Reviews

    Select Industry to see insights

    Construction Gaming

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients have consistently praised Scale Rush for providing excellent value for their cost. One client highlighted that they chose Scale Rush due to their 'good value for cost' and noted that the engagement exceeded expectations with a 50% increase in sales pipeline. Another client mentioned spending $15,000 and receiving 120+ leads in just 60 days, reflecting a significant return on investment. Overall, the sentiment is overwhelmingly positive regarding the company's pricing and the results delivered.
    Read All Reviews

    View projects from:

    Bulgaria (1) Switzerland (1)
    View Profile
  • PowerSellers Logotype

    5.0 2 reviews
    $10,000+
    Undisclosed
    2 - 9
    Sofia, Bulgaria

    Services provided

    60% Sales Outsourcing
    25% Market Research
    15% Call Center Services

    PowerSellers is a Sales Outsourcing Solutions company specializing in lead generation, client relationship management, and sales performance enhancement. Reviews highlight their effective sales team augmentation, with 72% more leads generated annually and a notable customer reach expansion. Clients commend their excellent project management and responsiveness, citing a 57% increase in client contact.

    See all 2 projects

    Reviews mention Reasonable pricing

    Clients have expressed positive sentiments regarding PowerSellers' pricing, highlighting it as a key factor in their selection. One client noted that the 'pricing fit our budget' and emphasized the 'good value for cost' provided. Additionally, the successful acquisition of Renewable energy certificates at a 'fair price' further underscores the reasonable pricing strategy employed by PowerSellers. Overall, the feedback reflects a strong appreciation for their cost-effectiveness and value proposition.
    • Certificate Acquirement & Redemption for Cocoa Products Co
      5.0 Apr 19, 2024

      Acquiring the iRec at a fair price, from reputable sources with proper redemption to disclose to the market.

      Read Full Review
    Read All Reviews
    1 of 1 Sales Outsourcing reviews are 5 stars
    $200,000 – $999,999 avg. project cost

    Sales Outsourcing PROJECT HIGHLIGHT

    Call Center Services for Energy Solutions Provider

    5.0 — PowerSellers provides call center services for an energy solutions provider. The tasks include cold calling, polishing the sales speech, qualifying clients through calls, obtaining data, Read more
    Read 1 Review

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients consistently highlight PowerSellers' competitive pricing and strong value for money. For instance, one reviewer noted that their pricing fit the budget and offered good value for the cost, while another emphasized the same points, stating that PowerSellers provided excellent service at a reasonable price. Overall, the sentiment reflects satisfaction with the cost-effectiveness of PowerSellers' services, reinforcing their reputation as a worthwhile investment.
    Read All Reviews

    More responsive than most other service providers

    PowerSellers is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile
  • ODEON msc - A TTC brand Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    10% Sales Outsourcing
    20% Finance & Accounting Outsourcing (FAO)
    20% HR Consulting +5 services
    10% Accounting
    10% Back Office Outsourcing
    10% Business Consulting
    10% Call Center Services
    10% Customer Service Outsourcing

    Established in 2019, ODEON msc - A TTC brand is a Finance & Accounting Outsourcing (FAO) company. The team offers Finance & Accounting Outsourcing (FAO) and HR Consulting.

    Read more
    View Profile
  • MarketStar Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Sofia, Bulgaria

    Services provided

    65% Sales Outsourcing
    15% Customer Service Outsourcing
    10% Digital Strategy +1 service
    10% Marketing Strategy

    MarketStar is a Sales Outsourcing company. Established in 1988, the firm is in Ogden, Utah and Dublin, Ireland. Their services include Sales Outsourcing and Customer Service Outsourcing.

    Read more

    Sofia, Bulgaria

    bulevard "Cherni vrah"
    Sofia, Bulgaria 1415

    201 - 250

    359 89 593 6318

    See All Locations (6)
    View Profile
  • Expand Acquisition Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Sofia, Bulgaria

    Services provided

    50% Sales Outsourcing
    50% Email Marketing

    Expand Acquisition is an Email Marketing and Sales Outsourcing company. They are based in Sofia, Bulgaria and have small team of experts. Their services include Email Marketing and Sales

    Read more
    View Profile
  • Passion4Growth Logotype

    4.9 9 reviews
    $1,000+
    $50 - $99 / hr
    2 - 9
    Breznik, Bulgaria

    Services provided

    50% Sales Outsourcing
    50% Business Consulting

    Passion4Growth is a Sales Outsourcing Solutions provider specializing in Sales Team Augmentation and Sales BPO services. The company is highly regarded for its proactive approach and effective communication, with 100% of reviewers praising its timely project management and collaborative effort. Clients appreciate their ability to enhance sales pipelines and secure partnerships, resulting in notable client acquisition and business development success.

    See all 9 projects

    Reviews mention Communicative

    Clients expressed a positive sentiment regarding Passion4Growth's communication. Feedback highlighted their responsiveness and clarity, with one CEO noting, "The communication with their team was fast and really easy to follow." Another client emphasized the effective collaboration, stating, "The work was enjoyable and dynamic, with communication on schedule and sufficient." Overall, clients appreciated the proactive engagement and support, indicating a strong alignment with their needs and expectations throughout the project.
    • Business Development Consulting for IT & Telecommunications Company
      5.0 Mar 29, 2024

      The collaboration between our teams was marked by effective communication and teamwork. Regular updates and strategy sessions ensured alignment and facilitated a seamless project execution. Virtual meetings were the primary form of communication with Passion4Growth.

      Read Full Review
    • Marketing Services for Software Dev Company
      5.0 Mar 15, 2023

      Their team syncs up with us perfectly. Communication was timely, prompt, and adequate. The work was dynamic and a pleasure, enhancing our collaboration.

      Read Full Review
    • Business Services for Shopify Development Agency
      5.0 Feb 24, 2023

      We have fantastic synchronicity with their crew. Communication was on schedule, prompt, and sufficient. The work was enjoyable and dynamic, fostering a productive workflow.

      Read Full Review
    • Lead Generation Services for IoT Monitoring Company
      5.0 Oct 24, 2025

      The communication with their team was fast and really easy to follow. They responded really fast and provided their services in the promised timeframes.

      Read Full Review
    • Social Media Marketing for Branding & Design Studio
      4.5 Oct 27, 2025

      Their project management was smooth and reliable. Deliverables were provided on time, and communication was clear throughout the process. I felt supported and that my needs were understood and addressed promptly.

      Read Full Review
    Read All Reviews

    Industry Experience

    Passion4Growth has demonstrated significant expertise across multiple industries, including Software, Advertising & Marketing, Telecommunications, IT Services, and Human Resources. Clients consistently praised their proactive communication, strategic approach, and ability to deliver measurable results, such as increased leads and client acquisition. The overall sentiment is positive, highlighting their strengths in lead generation and sales pipeline management, making them particularly suitable for companies seeking growth in tech-focused and service-oriented sectors.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Telecommunications IT Services Human Resources Software Design
    1 of 1 Sofia-based review is 5 stars
    Unknown avg. project cost for Sales Outsourcing services in Sofia

    Sales Outsourcing project highlight

    Business Development Consulting for IT & Telecommunications Company

    5.0 — Passion4Growth was hired by an IT and telecommunications company for their business development consultation services in order to expand their reach on an international scale. Read more
    Read Similar Reviews

    Review Rating from Clients

    4.8/5.0

    Quality

    5.0

    Schedule

    4.7

    Cost

    4.8

    Willing to Refer

    4.8

    Sofia-based clients praise Passion4Growth for their expertise in LinkedIn growth, lead generation, and sales scaling for tech startups and creative agencies. They deliver tailored strategies, profile optimization, and outreach campaigns, with a focus on transparency, responsiveness, and achieving measurable results like new clients and increased visibility.
    Read Local Reviews
    View Profile
  • Euro Connect Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    20% Sales Outsourcing
    40% Call Center Services
    40% Customer Service Outsourcing

    Euro Connect is a small phone answering service in Sofia, Bulgaria. The team offers Call Center Services and Customer Service Outsourcing.

    Read more
    View Profile
  • Alba Center Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    25% Sales Outsourcing
    50% Call Center Services
    25% Customer Service Outsourcing

    Alba Center, a small phone answering service, is headquartered in Sofia, Bulgaria. The team focuses on Call Center Services and Sales Outsourcing.

    Read more
    View Profile
  • eTel Digital Agency Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Sofia, Bulgaria

    Services provided

    20% Sales Outsourcing
    20% E-Commerce Development
    20% Email Marketing +3 services
    20% Social Media Marketing
    10% Search Engine Optimization
    10% Web Design

    Social media marketing firm eTel Digital Agency was founded in 2001. The midsize team specializes in Social Media Marketing and Email Marketing.

    Read more
    View Profile

Tell us what you need — we’ll match you with top agencies in minutes.

Get My Matches
tracking image

Why Trust Clutch

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.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

  • In-depth client interviews and ratings
  • Comprehensive project details
  • Market presence
  • Portfolio examples and industry recognition

This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

Ability to deliver
Focus
Clutch Leaders Matrix

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

1 MarketStar Bulgaria
2 MarKam Solutions
3 Mercatus
4 Lukanoff Consulting Ltd
5 Hypergen
6 Euroccor JSC
7 ScaleRush
8 PowerSellers

List of the Top Sofia B8B Sales Outsourcing Services

  1. MarketStar Bulgaria Logotype

    MarketStar Bulgaria

    $25,000+
    Undisclosed
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    32.7/40.0
    16.2/20 Reviews
    9.7/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

    75% Sales Outsourcing
    25% Other
    View Profile Visit Website
  2. MarKam Solutions Logotype

    MarKam Solutions

    $1,000+
    < $25 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    32.6/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    5/10 Market Presence

    Service focus

    20% Sales Outsourcing
    80% Other
    View Profile Visit Website
  3. Mercatus Logotype

    Mercatus

    $5,000+
    < $25 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    32.3/40.0
    16.8/20 Reviews
    9.8/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    20% Sales Outsourcing
    80% Other
    View Profile Visit Website
  4. Lukanoff Consulting Ltd Logotype

    Lukanoff Consulting Ltd

    $1,000+
    $50 - $99 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    28.4/40.0
    16.4/20 Reviews
    8/10 Clients & Experience
    4/10 Market Presence

    Service focus

    30% Sales Outsourcing
    70% Other
    View Profile Visit Website
  5. Hypergen Logotype

    Hypergen

    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    25.4/40.0
    16.6/20 Reviews
    3.7/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    50% Sales Outsourcing
    50% Other
    View Profile Visit Website
  6. Euroccor JSC Logotype

    Euroccor JSC

    $1,000+
    $25 - $49 / hr
    50 - 249
    София, Bulgaria

    Ability to deliver

    22.9/40.0
    14.6/20 Reviews
    3/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    10% Sales Outsourcing
    90% Other
    View Profile Visit Website
  7. ScaleRush Logotype

    ScaleRush

    Undisclosed
    Undisclosed
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    21.2/40.0
    17.2/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    80% Sales Outsourcing
    20% Other
    View Profile Visit Website
  8. PowerSellers Logotype

    PowerSellers

    $10,000+
    Undisclosed
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    20.4/40.0
    16.4/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    60% Sales Outsourcing
    40% Other
    View Profile Visit Website
  9. ODEON msc - A TTC brand Logotype

    ODEON msc - A TTC brand

    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    8.2/40.0
    0/20 Reviews
    3.6/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    10% Sales Outsourcing
    90% Other
    View Profile Visit Website
  10. MarketStar Logotype

    MarketStar

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    5.8/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.8/10 Market Presence

    Service focus

    65% Sales Outsourcing
    35% Other
    View Profile Visit Website
  11. Expand Acquisition Logotype

    Expand Acquisition

    Undisclosed
    Undisclosed
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    50% Sales Outsourcing
    50% Other
    View Profile Visit Website
  12. Passion4Growth Logotype

    Passion4Growth

    $1,000+
    $50 - $99 / hr
    2 - 9
    Breznik, Bulgaria

    Ability to deliver

    23.4/40.0
    16.6/20 Reviews
    2.8/10 Clients & Experience
    4/10 Market Presence

    Service focus

    50% Sales Outsourcing
    50% Other
    View Profile Visit Website
  13. Euro Connect Logotype

    Euro Connect

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Sales Outsourcing
    80% Other
    View Profile Visit Website
  14. Alba Center Logotype

    Alba Center

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    25% Sales Outsourcing
    75% Other
    View Profile Visit Website
  15. eTel Digital Agency Logotype

    eTel Digital Agency

    Undisclosed
    Undisclosed
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Sales Outsourcing
    80% Other
    View Profile Visit Website

Latest Sales Outsourcing Articles

See all articles
How to Build a Budget for Call Center Services [With Template] cover image

How to Build a Budget for Call Center Services [With Template]

Updated March 27, 2026
Sydney Wess

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

Call Center Budget Template
Guide to Call Center Outsourcing cover image

Guide to Call Center Outsourcing

Updated March 24, 2026
Hannah Hicklen

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

Call Center Outsourcing
How To Hire a Call Center in 4 Steps cover image

How To Hire a Call Center in 4 Steps

Updated March 24, 2026
Sydney Wess

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.

Call Center Outsourcing

Similar Categories

Related Services

BPO in Sofia Human Resources in Sofia Consulting in Sofia Call Centers in Sofia Translation in Sofia Real Estate in Sofia Warehousing & Distribution in Sofia Shipping in Sofia Legal in Sofia

Specialties

Order Processing Third Party Verification Outbound Virtual Receptionist Appointment Setting Lead Generation Telemarketing Sales Outsourcing Inbound Appointment Setting
View More

Get personalized agency matches based on your project goals.