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Home Call Centers Outbound Bulgaria

Top Outbound Call Centers in Bulgaria

Ratings Updated: April 3, 2026
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11 Leaders 13 Contenders

24 Companies

Country: Bulgaria

List of the Top Bulgaria Outbound Call Center Providers

  • MarKam Solutions Logotype

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

    Services provided

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

    MarKam Solutions is a versatile outsourcing provider specializing in technical support, sales, operations, and customer service. Across multiple reviews, clients commend their professional management, alignment with company values, and ability to meet budget constraints. With over 90% positive feedback, MarKam Solutions is praised for their adaptability, responsiveness, and the strategic impact on metrics such as customer satisfaction and sales growth.

    See all 9 projects

    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.

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    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.
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    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
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  • Mercatus Logotype

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

    Services provided

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

    Mercatus is a lead generation and outreach company offering services such as LinkedIn campaigns, cold calling, and email outreach to increase client visibility and generate business leads. Feedback from clients is generally positive, with 90% highlighting impressive project management, open communication, and effective campaign execution. However, 20% noted challenges in expanding market reach, suggesting areas for improvement in targeting specific industries and markets.

    See all 22 projects
    1 of 1 reviews is 5 stars
    $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.

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    Select Industry to see insights

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

    More responsive than most other service providers

    Mercatus 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 projects from:

    Bulgaria (17) Romania (2) Estonia (1) Spain (1)

    This provider is fluent in 24 languages:

    • English
    • Spanish
    • Arabic
    • Russian
    • Portuguese
    • German
    • French
    • Turkish
    • Italian
    • Polish
    • Ukrainian
    • Romanian
    View all languages

    This provider is available in 6 time zones:

    • Greenwich Mean Time (GMT)
    • Arabia Standard Time (AST)
    • Central European Time (CET)
    • Central Standard Time (CST)
    • Eastern European Time (EET)
    • Eastern Standard Time (EST)
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  • 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 marketing and lead generation consultancy known for developing effective strategies to help businesses grow. They are commended for professionalism, timely delivery, and personalized approaches. Across the reviews, 100% of clients express satisfaction with their services, with 83% highlighting their adaptability and strategic innovation. Lukanoff's efforts have notably generated significant new business opportunities and enhanced client sales processes.

    See all 8 projects

    Reviews mention Flexible

    The feedback regarding Lukanoff Consulting's flexibility is overwhelmingly positive. One client noted their adaptability in pricing, stating that the firm modified an initial quote to better fit their budget. Additionally, the client appreciated the personalized approach, highlighting that Lukanoff Consulting tailors their services to meet specific needs. The proactive communication and willingness to adjust strategies according to client feedback further exemplify their flexible nature, contributing to a strong and effective partnership.
    • LinkedIn Outreach for Technical Documentation Company
      5.0 Mar 28, 2022

      Although they initially offered a quote that wasn’t good for us, they were flexible and adapted the offer so that it could serve our needs and budget. I like the way Lukanoff Consulting works and their personalized approach, which is really important to me. They don’t do the same for everyone; they try to adapt to our needs, which is very helpful.

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    Industry Experience

    Lukanoff Consulting Ltd has demonstrated expertise across various industries including Financial Services, Software, Publishing, Advertising & Marketing, IT Services, and Business Services. Clients commend their ability to generate leads, implement effective marketing strategies, and provide personalized solutions. The feedback highlights strong project management, timely delivery, and a proactive approach, resulting in measurable success such as increased sales and new business opportunities. Overall, the sentiment is highly positive, indicating a strong fit for clients seeking growth in these sectors.

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    Select Industry to see insights

    Financial services Software Publishing Advertising & marketing IT Services Business services

    Average Project Cost Breakdown

    $10,000 to $49,000 (3) Less than $10,000 (2)

    What Clients Have Said

    Clients consistently praise Lukanoff Consulting Ltd for their value and cost-effectiveness. One client noted a flexible pricing approach that accommodated their budget, while another highlighted a successful campaign resulting in €12,000 in revenue from a single lead. Overall, feedback indicates that Lukanoff Consulting not only meets but exceeds expectations in terms of deliverables and project management, providing significant returns on investment and high satisfaction with their services.
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    View projects from:

    Bulgaria (5) England (1)
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  • 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 lead generation company specializing in cold email outreach and demand generation. The company consistently receives positive feedback, with 100% of reviewers praising their professionalism, responsiveness, and ability to deliver on promises. Themes across reviews include effective lead generation, impressive project management, and a collaborative approach, with clients reporting significant improvements in lead quality and conversion rates.

    See all 15 projects

    Reviews mention Honest

    Clients have consistently praised Hypergen for their honesty and dedication. One CEO noted that the team is 'honest, hard-working, and goes the extra mile.' This sentiment reflects a strong trust in Hypergen's capabilities, contributing to a seamless workflow and impressive results, such as a 5x ROI. The emphasis on integrity and collaboration highlights Hypergen as a reliable partner for lead generation projects.
    • Lead Generation Services for Sales Agency
      5.0 Aug 24, 2022

      The team is honest, hard-working, and goes the extra mile.

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    Industry Experience

    Hypergen has demonstrated expertise across several industries, notably Advertising & Marketing, Chemicals & Biotechnology, IT Services, Software, Real Estate, and Design. Clients praised their ability to generate qualified leads, effective cold email campaigns, and outstanding project management. Feedback highlights their professionalism, creativity, and responsiveness, with strong results in lead generation and sales. Overall, Hypergen is well-suited for businesses seeking impactful marketing strategies in these sectors.

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    Select Industry to see insights

    Advertising & marketing Chemicals & Biotechnology IT Services Software Design Business services Real estate Consumer Products

    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.
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    Sofia, Bulgaria

    13 ulitsa "Veslets"
    Sofia, Bulgaria 1000

    16 - 20

    +1 614 432 8647

    See All Locations (2)
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  • Euroccor JSC Logotype

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

    Services provided

    65% Call Center Services
    15% Customer Service Outsourcing
    10% Sales 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.

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    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.
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  • CXG Business Process Outsourcing Logotype

    5.0 1 review
    Undisclosed
    Undisclosed
    50 - 249
    Sofia, Bulgaria

    Services provided

    25% Customer Service Outsourcing
    24% Call Center Services
    21% Back Office Outsourcing +2 services
    15% Recruiting
    15% Staffing

    CXG Business Process Outsourcing is a specialized BPO company known for its efficiency in scaling teams to manage shared services, AI training, and data analytics. Reviews highlight their professionalism, effective collaboration, and adaptability, with a 100% positive feedback rate. Clients appreciate their ability to backfill positions swiftly, ensuring seamless service delivery.

    See all 1 projects

    Industry Experience

    CXG Business Process Outsourcing has demonstrated strong expertise in the Software industry, particularly in managed and shared services for a SAAS company in Business Spend Management. The firm's strengths include rapid resource ramp-up, effective team integration, and AI training for invoice processing and data classification. Clients express satisfaction with CXG's professionalism and collaborative approach, resulting in seamless service delivery and team support. Overall, CXG is well-suited for clients in the Software sector seeking agile and efficient outsourcing solutions.

    Read All Reviews

    Select Industry to see insights

    Software

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients generally perceive CXG Business Process Outsourcing as offering strong value for money. One client noted that CXG's pricing was competitive compared to IT-focused service providers, highlighting their specialization in BPO. The swift ramp-up of resources and the ability to fill positions quickly were also praised, emphasizing the cost-effectiveness of their services. Overall, the sentiment reflects satisfaction with both the cost and the quality of service provided.
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  • Passion4Growth Logotype

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

    Services provided

    50% Business Consulting
    50% Sales Outsourcing

    Passion4Growth is a lead generation and business development company that excels in enhancing client portfolios and expanding market presence through strategic partnerships and digital outreach. Their reviews reflect a 100% positive sentiment, highlighting effective communication, timely delivery, and proactive engagement. Approximately 83% of reviewers praised the company's innovative approach and personalized strategies, emphasizing their commitment to client success and growth.

    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.

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    • 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.

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    • 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.

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    • 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.

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    • 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.

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    1 of 2 reviews are 5 stars
    Less than $10,000 avg. project cost

    Reviewed 2 times in the past 6 months

    In recent reviews, Passion4Growth received positive feedback for its effective LinkedIn profile optimization and lead generation strategies, resulting in increased visibility and new client inquiries. Clients praised the team's responsive communication and project management, highlighting the founder's personal involvement as a standout feature. However, one reviewer suggested a need for more dynamic strategy adjustments during projects. Overall, sentiment remains highly favorable, with clients appreciating the value delivered for their investment.
    Read 2 Recent 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

    Average Project Cost Breakdown

    $10,000 to $49,000 (3) Less than $10,000 (2)

    What Clients Have Said

    Clients consistently highlight Passion4Growth's competitive pricing and strong value for money. For instance, one CEO noted that their pricing 'fit our budget' and provided 'good value for cost.' Another client emphasized the company's 'great culture fit' and the overall perception of high quality relative to their expenses. Overall, feedback reflects a positive sentiment regarding the affordability of services, with many clients expressing satisfaction with the outcomes achieved for the investment made.
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  • InfoSource Bulgaria Ltd Logotype

    4.5 2 reviews
    $1,000+
    < $25 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    20% Back Office Outsourcing
    20% Call Center Services
    20% Document Digitization & Management +3 services
    20% Recruiting
    10% Customer Service Outsourcing
    10% Finance & Accounting Outsourcing (FAO)

    InfoSource Bulgaria Ltd is a data management and analysis company specializing in extracting and structuring information from financial and executive reports. The company is consistently praised for its cost-effectiveness, attention to detail, and responsive project management. Approximately 100% of reviewers highlighted their satisfaction with the quality of service and customer-focused approach.

    See all 2 projects

    Reviews mention Timely

    Clients have consistently praised InfoSource Bulgaria Ltd for their timely project management and responsiveness. One client noted that the team was 'always very responsive, timely and pro-active' in delivering outcomes. Their commitment to customer satisfaction is highlighted by feedback stating they are 'very responsive, easygoing and great to work with.' Overall, the sentiment regarding timeliness is overwhelmingly positive, indicating a strong alignment with client expectations.
    • Financial Services for Financial & Economic Media Company
      5.0 Sep 14, 2023

      Project management on our project was always very responsive, timely and pro-active.

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    Industry Experience

    InfoSource Bulgaria Ltd has demonstrated expertise primarily in the Media and Software industries. Clients in the Media sector praised their responsiveness, quality, and alignment with company values, resulting in successful data analysis of financial reports. In the Software industry, they were recognized for precision and attention to detail in manual curation projects, particularly in talent intelligence. Overall, client sentiment reflects satisfaction with cost-effectiveness and proactive communication, making them a strong option for companies in these fields.

    Read All Reviews

    Select Industry to see insights

    Software Media

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients have consistently praised InfoSource Bulgaria Ltd for their cost-effectiveness and overall value for money. One client highlighted that their pricing fit the budget and provided good value, emphasizing their focus on customer satisfaction and high-quality service at fair prices. Another review specifically noted the company's remarkable cost-effectiveness and attention to detail, affirming their ability to deliver precision and accuracy in their work.
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    Netherlands (1) United States (1)
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  • Callboxs Logotype

    5.0 4 reviews
    $5,000+
    < $25 / hr
    250 - 999
    Burgas, Bulgaria

    Services provided

    50% Call Center Services
    30% Customer Service Outsourcing
    20% Back Office Outsourcing

    Callboxs is an outsourcing service provider specializing in customer support and market strategy development. Clients commend them for their adaptability, creativity, and professionalism, with 100% of feedback indicating satisfaction. Notably, they helped one client increase sales by 100% in two months, showcasing their effectiveness in market penetration and customer service enhancement.

    See all 4 projects

    Industry Experience

    Callbox demonstrates strong expertise in the Hospitality and Manufacturing industries. Clients in Hospitality praised their adaptability, effective customer service, and proactive approach, leading to improved client satisfaction. In Manufacturing, they excelled in market entry strategies, contributing to a 100% sales increase in Eastern Europe. Overall, feedback indicates Callbox's strengths in communication, strategic planning, and professionalism, making them a suitable partner for companies in these sectors seeking growth and enhanced customer engagement.

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    Select Industry to see insights

    Hospitality & leisure Manufacturing

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients have praised Callboxs for their exceptional value for money, noting competitive rates such as $14 per hour and a strong return on investment through increased sales and enhanced customer satisfaction. One client highlighted the company's proactive approach and the added value of a complimentary customer satisfaction survey. Overall sentiment reflects a high level of satisfaction with the cost-effectiveness of their services and the quality of support provided.
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  • ScaleRush Logotype

    5.0 2 reviews
    Undisclosed
    Undisclosed
    10 - 49
    Sofia, Bulgaria

    Services provided

    80% Sales Outsourcing
    20% Email Marketing

    Scale Rush is a lead generation and sales outsourcing company known for its effective custom pipelines and tailored outreach strategies. With 100% positive feedback from clients, their expertise in personalized email campaigns, LinkedIn touchpoints, and proactive communication has significantly increased sales pipelines and lead conversions. Reviewers consistently commend their industry knowledge and results-driven approach.

    See all 2 projects

    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.

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    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.
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    Bulgaria (1) Switzerland (1)
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  • 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 dynamic marketing and procurement service provider, excelling in renewable energy certificate acquisition and lead generation. Consistently praised for their flexibility and proactive communication, 100% of reviews highlight their budget-friendly pricing and strong project management skills, with one client noting a 72% annual increase in lead generation.

    See all 2 projects

    Reviews mention Flexible

    Clients have consistently highlighted PowerSellers' flexibility as a key strength. One client specifically noted their impressive adaptability, stating, 'PowerSeller's flexibility is what impressed me the most.' Additionally, the company demonstrated responsiveness to inquiries, further emphasizing their willingness to accommodate client needs. Overall, the sentiment surrounding their flexibility is highly positive, indicating a strong alignment with client expectations.
    • Certificate Acquirement & Redemption for Cocoa Products Co
      5.0 Apr 19, 2024

      PowerSeller's flexibility is what impressed me the most. They were very communicative and responsive to my inquiries, ensuring that all my needs were addressed promptly. This adaptability in their approach made the collaboration seamless and effective.

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    Industry Experience

    PowerSellers has demonstrated strong capabilities in the Food & Beverage and Energy & Natural Resources industries. Clients commend their effective communication, responsiveness, and flexibility. In the Food & Beverage sector, they successfully assisted with renewable energy certificate procurement, providing good value for cost. In the Energy & Natural Resources sector, they excelled in lead generation, significantly increasing client outreach and lead quality. Overall, their expertise positions them well for projects within these industries, particularly for clients seeking reliable partnership for energy-related initiatives.

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    Select Industry to see insights

    Food & Beverage Energy & natural resources

    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.
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    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.
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  • ODEON msc - A TTC brand Logotype

    Not yet reviewed

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

    Services provided

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

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  • Expand Acquisition Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Sofia, Bulgaria

    Services provided

    50% Email Marketing
    50% Sales Outsourcing

    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

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  • Sixty K Ltd Logotype

    Not yet reviewed

    $50,000+
    < $25 / hr
    1,000 - 9,999
    Sofia, Bulgaria

    Services provided

    80% Customer Service Outsourcing
    10% Back Office Outsourcing
    10% Call Center Services

    Sixty K Ltd is a large Customer Service Outsourcing company. Founded in 2008, the team focuses on Customer Service Outsourcing and Back Office Outsourcing.

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  • BPO Bulgaria Logotype

    Not yet reviewed

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

    Services provided

    25% Accounting
    25% Call Center Services
    25% Customer Service Outsourcing +1 service
    25% Tax Law

    Phone answering service BPO Bulgaria was established in 2014. The small team specializes in Call Center Services and Accounting.

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  • Virtuwise Logotype

    Not yet reviewed

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

    Services provided

    20% Branding
    20% Business Consulting
    20% Digital Strategy +2 services
    20% Email Marketing
    20% Sales Outsourcing

    Launched in 2023, Virtuwise is a branding firm. The company specializes in Branding and Digital Strategy, and is small.

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    Varna, Bulgaria

    Morska Sirena str. 27, office 2
    Varna, Bulgaria 9002

    10 - 15

    +359885918045

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  • Euro Connect Logotype

    Not yet reviewed

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

    Services provided

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

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

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  • eTel Digital Agency Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Sofia, Bulgaria

    Services provided

    20% E-Commerce Development
    20% Email Marketing
    20% Sales Outsourcing +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.

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  • Customer Umbrella Logotype

    5.0 20 reviews
    $1,000+
    < $25 / hr
    250 - 999
    Varna, Bulgaria

    Services provided

    20% Back Office Outsourcing
    20% IT Managed Services
    20% Staffing +4 services
    15% Customer Service Outsourcing
    10% Call Center Services
    10% IT Staff Augmentation
    5% Recruiting

    Customer Umbrella is a versatile customer support and development service provider, offering services such as software development, customer support, and content moderation. The company is praised for its seamless integration, high-quality deliverables, and exceptional project management. Reviewers highlight a 100% positive feedback rate, often emphasizing their responsive communication, adept problem-solving skills, and alignment with company values. Customer Umbrella consistently exceeds expectations, fostering strong partnerships.

    See all 20 projects

    Reviews mention Proactive

    The feedback regarding Customer Umbrella's proactive sentiment is overwhelmingly positive. Clients highlighted their exceptional responsiveness and initiative, noting instances where the team identified potential issues before they escalated. For example, one client praised their 'proactive problem-solving' and seamless integration into existing operations, while another noted their ability to adapt to internal tools and deliver tasks ahead of deadlines. Overall, their proactive approach significantly contributed to client satisfaction and project success.
    • Back Office Support for Photo Organization Platform
      5.0 Mar 1, 2024

      Our team and theirs worked together in a very efficient manner. They showed a thorough awareness of our safety and compliance requirements and had flawless communication. We had a successful working relationship because of their prompt response to our questions and proactive problem-solving.

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    • Back Office Support for Furniture & Home Decor Company
      5.0 Feb 7, 2024

      Our team and theirs worked flawlessly together. Customer Umbrella became an extension of our own team, blending effortlessly into the structure of our organisation, rather than just another vendor. Their proactive approach and tireless dedication to our cause were truly inspiring, cultivating a culture of collaboration and mutual respect.

      Read Full Review
    • Dev Staff Augmentation for Salesforce Consultancy
      5.0 Jun 24, 2025

      Their project management was seamless and highly responsive. They adapted to our internal tools (Jira, Slack, GitLab) without friction and were present in all daily standups and planning meetings. Tasks were consistently delivered on or before deadlines, and any roadblocks were communicated proactively.

      Read Full Review
    Read All Reviews

    Industry Experience

    Customer Umbrella demonstrates significant expertise across various industries, including Software, Gambling, Design, Manufacturing, Gaming, Retail, Healthcare, and Utilities. Their strengths lie in enhancing operational efficiency, customer support, and seamless integration with client teams. Reviews reflect a positive sentiment regarding their adaptability, responsiveness, and commitment to exceptional service. Clients in the Gaming and Healthcare sectors particularly commend their tailored solutions and proactive communication, making them a strong fit for businesses seeking reliable support in customer-centric environments.

    Read All Reviews

    Select Industry to see insights

    Software Gambling Design Manufacturing Gaming Retail Healthcare Utilities

    Average Project Cost Breakdown

    $10,000 to $49,000 (9) Less than $10,000 (2)

    What Clients Have Said

    Client feedback on Customer Umbrella consistently highlights their strong value for money, with many noting that their pricing aligns well with budget expectations. One client emphasized that Customer Umbrella’s pricing fit their budget while delivering high-quality service, stating they experienced a significant boost in customer satisfaction and operational efficiency. Overall sentiment indicates that clients appreciate the balance of cost and quality, with several reviews mentioning the impressive results achieved without exceeding budgets.
    Read All Reviews

    View projects from:

    United States (5) Cyprus (2) Germany (2) Canada (1) England (1)
    View Profile
  • Alba Center Logotype

    Not yet reviewed

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

    Services provided

    50% Call Center Services
    25% Customer Service Outsourcing
    25% Sales 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
  • Latiane Ltd Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Balsha, Bulgaria

    Services provided

    60% Call Center Services
    40% Recruitment Process Outsourcing

    Latiane Ltd, a midsize telephone answering service, is in Balsha, Bulgaria. Their services include Call Center Services and Recruitment Process Outsourcing.

    Read more
    View Profile
  • Callhalla Logotype

    Not yet reviewed

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

    Services provided

    50% Call Center Services
    50% Customer Service Outsourcing

    Callhalla, an answering service and Customer Service Outsourcing company, was established in 2014. The small team offers Call Center Services and Customer Service Outsourcing.

    Read more
    View Profile
  • 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, formerly Out2Bound, is a sales development agency specializing in sales strategy development, sales team training, and lead generation. Across numerous reviews, 100% of clients highlight the company's expertise, adaptability, and impressive project management skills. Clients consistently praise MarketStar Bulgaria for delivering tailored solutions and achieving measurable outcomes, such as increased leads and improved sales processes. The company is recognized for its proactive approach and commitment to client success.

    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

    Average Project Cost Breakdown

    Less than $10,000 (15) $10,000 to $49,000 (9) $200,000 to $999,999 (2)

    What Clients Have Said

    Clients consistently praised MarketStar Bulgaria for offering good value for money, often highlighting their effective sales strategies and tailored training programs. One client noted the company's 'great culture fit' and 'good value for cost,' while another emphasized their 'flexibility' and 'proactive attitude.' Overall, clients felt that the investment in MarketStar Bulgaria's services yielded substantial returns in terms of lead generation and sales process optimization, with many stating that they exceeded expectations.
    Read All Reviews

    View projects from:

    Bulgaria (21) France (2) Switzerland (2) Luxembourg (1) Netherlands (1)
    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

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Ability to deliver
Focus
Clutch Leaders Matrix

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

1 MarKam Solutions
2 Mercatus
3 Lukanoff Consulting Ltd
4 Hypergen
5 Euroccor JSC
6 CXG Business Process Outsourcing
7 Passion4Growth
8 InfoSource Bulgaria Ltd
9 Callboxs
10 ScaleRush
11 PowerSellers

List of the Top 11 Bulgaria Outbound Call Center Providers

  1. 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

    180% Outbound Voice Services
    View Profile Visit Website
  2. 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

    100% Outbound Voice Services
    View Profile Visit Website
  3. 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

    90% Outbound Voice Services
    10% Other
    View Profile Visit Website
  4. 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

    150% Outbound Voice Services
    View Profile Visit Website
  5. 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

    290% Outbound Voice Services
    View Profile Visit Website
  6. CXG Business Process Outsourcing Logotype

    CXG Business Process Outsourcing

    Undisclosed
    Undisclosed
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    25/40.0
    16.2/20 Reviews
    3.9/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    96% Outbound Voice Services
    4% Other
    View Profile Visit Website
  7. 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

    150% Outbound Voice Services
    View Profile Visit Website
  8. InfoSource Bulgaria Ltd Logotype

    InfoSource Bulgaria Ltd

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

    Ability to deliver

    25.2/40.0
    14.8/20 Reviews
    5.5/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    80% Outbound Voice Services
    20% Other
    View Profile Visit Website
  9. Callboxs Logotype

    Callboxs

    $5,000+
    < $25 / hr
    250 - 999
    Burgas, Bulgaria

    Ability to deliver

    21.4/40.0
    16.2/20 Reviews
    0.6/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    200% Outbound Voice Services
    View Profile Visit Website
  10. 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

    240% Outbound Voice Services
    View Profile Visit Website
  11. 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

    240% Outbound Voice Services
    View Profile Visit Website
  12. 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

    70% Outbound Voice Services
    30% Other
    View Profile Visit Website
  13. 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

    150% Outbound Voice Services
    View Profile Visit Website
  14. Sixty K Ltd Logotype

    Sixty K Ltd

    $50,000+
    < $25 / hr
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    5.3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    40% Outbound Voice Services
    60% Other
    View Profile Visit Website
  15. BPO Bulgaria Logotype

    BPO Bulgaria

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

    Ability to deliver

    4.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    100% Outbound Voice Services
    View Profile Visit Website
  16. Virtuwise Logotype

    Virtuwise

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

    Ability to deliver

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

    Service focus

    60% Outbound Voice Services
    40% Other
    View Profile Visit Website
  17. 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

    220% Outbound Voice Services
    View Profile Visit Website
  18. 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

    60% Outbound Voice Services
    40% Other
    View Profile Visit Website
  19. Customer Umbrella Logotype

    Customer Umbrella

    $1,000+
    < $25 / hr
    250 - 999
    Varna, Bulgaria

    Ability to deliver

    28/40.0
    17/20 Reviews
    6.1/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    40% Outbound Voice Services
    60% Other
    View Profile Visit Website
  20. 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

    275% Outbound Voice Services
    View Profile Visit Website
  21. Latiane Ltd Logotype

    Latiane Ltd

    Undisclosed
    Undisclosed
    50 - 249
    Balsha, Bulgaria

    Ability to deliver

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

    Service focus

    240% Outbound Voice Services
    View Profile Visit Website
  22. Callhalla Logotype

    Callhalla

    $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

    200% Outbound Voice Services
    View Profile Visit Website
  23. 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

    225% Outbound Voice Services
    View Profile Visit Website
  24. 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

    195% Outbound Voice Services
    View Profile Visit Website

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