Top Call Center Services & Voice Services in Sofia

Ratings Updated: September 21, 2026

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27 Companies

Country: Bulgaria

City: Sofia

List of the Top Sofia Call Center Companies & Voice Services

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What are Featured Providers?
Simply Contact

4.8 27 reviews

Premier Verified

$1,000+

< $25 / hr

250 - 999

Serves Sofia, Bulgaria

Services provided

35% Call Center Services

55% Customer Service Outsourcing

10% Back Office Outsourcing

Simply Contact is a specialized provider of Contact Center Services, focusing on Customer Support Services, Inbound Call Center, and Telephonic Support. The company consistently receives high praise for its expertise in handling multi-channel and multi-lingual customer interactions, with 100% of reviewers noting their professionalism and adaptability. Their ability to improve customer satisfaction and reduce response times significantly is frequently highlighted, making them a valuable partner for diverse business needs.

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Reviews mention Open to feedback
Simply Contact demonstrates a strong openness to feedback, as noted by a client from Metro AG, who highlighted their continuous communication and provision of analytics reports. The client emphasized that suggestions for improvement arise during the workflow, indicating an adaptable approach. They appreciated Simply Contact's willingness to address and implement changes based on feedback, reinforcing the overall positive sentiment towards the company's responsiveness and commitment to enhancing service quality.

Сall Сenter Services for International Wholesale Retailer

5.0 Jul 16, 2021

It is kind of hard to say because, as I said, we constantly get working reports, so points for improvement usually come up during the working process. Simply Contact is always open to the things we want to be improved or implemented.
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1 of 1 reviews is 5 stars

Less than $10,000 avg. project cost

Reviewed 1 time in the past 6 months
Simply Contact has received positive feedback in recent reviews, highlighting their effective customer support management. Clients appreciated the timely delivery of tasks, clear communication, and the reduction in their internal team's workload. Notably, one client mentioned the seamless organization and adaptability of the support team. While there was a suggestion for improved understanding of complex licensing issues, the overall sentiment remains highly favorable, indicating that Simply Contact is a reliable partner for customer support needs.
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12 of 15 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Staffing for Government Helpline
5.0 — Simply Contact provides staff to a government hotline's team; they hire and train call center agents to cover workflows around the clock. They've organized the hotline's IT structure, monitoring, Read more
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Industry Experience

Simply Contact has demonstrated expertise across various industries, including Information Technology, Financial Services, Education, Advertising & Marketing, and eCommerce. Clients highlight their strengths in customer support, multilingual capabilities, and adaptability to specific business needs. Feedback reflects positive outcomes such as increased customer satisfaction, reduced response times, and improved operational efficiency. Overall, Simply Contact is well-suited for organizations seeking reliable customer service solutions, particularly in tech-driven and service-oriented sectors.
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eCommerce Software Business services Information technology Financial services Education Arts, entertainment & music Retail Hospitality & leisure Human Resources IT Services Telecommunications Advertising & marketing

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Simply Contact

4.8 27 reviews

Premier Verified

$1,000+

< $25 / hr

250 - 999

Serves Sofia, Bulgaria

Services provided

35% Call Center Services

55% Customer Service Outsourcing

10% Back Office Outsourcing

Simply Contact is a specialized provider of Contact Center Services, focusing on Customer Support Services, Inbound Call Center, and Telephonic Support. The company consistently receives high praise for its expertise in handling multi-channel and multi-lingual customer interactions, with 100% of reviewers noting their professionalism and adaptability. Their ability to improve customer satisfaction and reduce response times significantly is frequently highlighted, making them a valuable partner for diverse business needs.

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Reviews mention Open to feedback
Simply Contact demonstrates a strong openness to feedback, as noted by a client from Metro AG, who highlighted their continuous communication and provision of analytics reports. The client emphasized that suggestions for improvement arise during the workflow, indicating an adaptable approach. They appreciated Simply Contact's willingness to address and implement changes based on feedback, reinforcing the overall positive sentiment towards the company's responsiveness and commitment to enhancing service quality.

Сall Сenter Services for International Wholesale Retailer

5.0 Jul 16, 2021

It is kind of hard to say because, as I said, we constantly get working reports, so points for improvement usually come up during the working process. Simply Contact is always open to the things we want to be improved or implemented.
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1 of 1 reviews is 5 stars

Less than $10,000 avg. project cost

Reviewed 1 time in the past 6 months
Simply Contact has received positive feedback in recent reviews, highlighting their effective customer support management. Clients appreciated the timely delivery of tasks, clear communication, and the reduction in their internal team's workload. Notably, one client mentioned the seamless organization and adaptability of the support team. While there was a suggestion for improved understanding of complex licensing issues, the overall sentiment remains highly favorable, indicating that Simply Contact is a reliable partner for customer support needs.
Read 1 Recent Review

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12 of 15 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Staffing for Government Helpline
5.0 — Simply Contact provides staff to a government hotline's team; they hire and train call center agents to cover workflows around the clock. They've organized the hotline's IT structure, monitoring, Read more
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Industry Experience

Simply Contact has demonstrated expertise across various industries, including Information Technology, Financial Services, Education, Advertising & Marketing, and eCommerce. Clients highlight their strengths in customer support, multilingual capabilities, and adaptability to specific business needs. Feedback reflects positive outcomes such as increased customer satisfaction, reduced response times, and improved operational efficiency. Overall, Simply Contact is well-suited for organizations seeking reliable customer service solutions, particularly in tech-driven and service-oriented sectors.
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eCommerce Software Business services Information technology Financial services Education Arts, entertainment & music Retail Hospitality & leisure Human Resources IT Services Telecommunications Advertising & marketing

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Hugo Inc.

5.0 28 reviews

Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sofia, Bulgaria

Services provided

20% Call Center Services

25% Customer Service Outsourcing

15% Back Office Outsourcing +4 services

10% Content Moderation Services

10% Data Annotation Services

10% Finance & Accounting Outsourcing (FAO)

10% Sales Outsourcing

Hugo Inc. | Top CX Provider is a distinguished company specializing in Contact Center Services, offering comprehensive Customer Support Services across various channels such as email, chat, and phone. The client reviews highlight their adaptability and efficiency, with 100% positive feedback on their seamless integration and ability to enhance customer engagement capabilities, resulting in impressive metrics like a 99.8% accuracy in order processing and fulfillment.

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Reviews mention Flexible
The sentiment regarding flexibility in client feedback for Hugo Inc. is overwhelmingly positive. Clients have praised the company's adaptability in meeting evolving project needs and timelines. For instance, one CMO noted Hugo's 'flexibility has been a game-changer' for their operations, allowing for rapid scaling without bureaucratic delays. Similarly, another client emphasized that Hugo's team was 'incredibly easy and fun to work with,' showcasing their willingness to adjust to client requirements seamlessly. Overall, Hugo Inc. is recognized for its exceptional flexibility and responsiveness.

Content Mktg & Call Center Services for Cashback Gaming Co

5.0 Aug 23, 2023

Hugo's flexible agent allocation adapts to campaign needs, optimizing efficiency and cost-effectiveness. Every month we can adapt our plan. Multichannel Communication: Leveraging Slack, email, and monthly meetings, they ensure seamless collaboration and updates.
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Customer Service Outsourcing for Gaming Company

5.0 Aug 22, 2023

Their devotion to catering to our specific demands was evident in their customized approach and adaptable solutions. Collaborating with a team that consistently went above and beyond our expectations has been an absolute pleasure. Hugo's remarkable service, flexibility, and dependability position them as an exceptional partner.
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Multilingual Customer Support for Beverage Company

5.0 Aug 22, 2023

Hugo seamlessly adapted to our needs, ensuring every delivery was punctual and hassle-free. Their dedication to our specific requirements was evident in their personalized approach and flexible solutions. It's been a pleasure collaborating with a team that not only met our expectations but consistently exceeded them.
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CX Outsourcing for Financial Services Firm

5.0 Apr 25, 2025

Hugo's project management has been great! They moved from contract signing to pilot launch in 1 week, demonstrating remarkable efficiency. Our communication flows seamlessly through Slack with weekly calibration calls keeping everything on track. Their reporting provides clear, actionable insights, and the team's agility allows them to quickly adapt to our evolving needs. What I like most about Hugo is their team's ability to tackle complex problems head-on without needing constant direction. I've been pleasantly surprised by the stability of our Africa-based team – after experiencing high turnover with Philippines BPOs, it's refreshing to work with many of the same faces since day one. Their flexibility has also been a game-changer for our business; when we need to scale quickly, they make it happen without the red tape I've encountered with other BPO partners.
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Customer Support for IT Company

5.0 Aug 24, 2023

Always available to connect via slack, email or chat. If we need to pick up the phone it’s never an issue. We have on-going calls as needed. The Hugo team is pretty flexible so it’s not hard to connect.
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3 of 3 Call Center Services reviews are 5 stars

$50,000 – $199,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Automotive Company
5.0 — Hugo manages all incoming communications across multiple channels, including email, chat, and WhatsApp. The team works to expand call center operations for outbound calls and improve reach. Read more
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Industry Experience

Hugo Inc. has received positive feedback across various industries, including Financial Services, eCommerce, Automotive, Information Technology, Gaming, Media, and Advertising & Marketing. Clients commend their expertise in enhancing customer support, streamlining operations, and driving revenue growth. In Financial Services, they excel at global customer experience management; in eCommerce, they improve back-office efficiency. Their adaptable project management and commitment to quality have resulted in measurable outcomes such as increased transaction volume and improved customer satisfaction, making them a reliable partner for businesses seeking growth and operational excellence.
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Media Information technology Financial services eCommerce Food & Beverages Automotive Environmental Services Advertising & marketing Gaming Software

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Average Project Cost Breakdown

$50,000 to $199,999 (7) $200,000 to $999,999 (6) $10,000 to $49,000 (2)

What Clients Have Said
Clients consistently commend Hugo Inc. for providing excellent value for money, noting that their services align well with project costs. For instance, a CMO highlighted Hugo's 'good value for cost' in scaling customer experience infrastructure, while a Head of Finance remarked on their 'great culture fit' and 'good value for cost.' Overall, the sentiment reflects satisfaction with the pricing relative to the quality and impact of services delivered, reinforcing Hugo's reputation as a cost-effective partner.
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SupportYourApp

4.8 87 reviews

Premier Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sofia, Bulgaria

Services provided

30% Call Center Services

30% Customer Service Outsourcing

20% AI Agents +2 services

15% Back Office Outsourcing

5% Data Annotation Services

SupportYourApp is a customer service center specializing in Contact Center Services, providing comprehensive solutions including Customer Support Services, Phone Support, and Telephonic Support. Across various reviews, clients praised their efficiency and adaptability, with many noting their proactive approach and commitment to client schedules. Approximately 90% of reviews highlighted their ability to handle high volumes of customer inquiries effectively.

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Industry Experience

SupportYourApp has demonstrated expertise across various industries, including Arts & Entertainment, Media, Energy & Natural Resources, Retail, Information Technology, and Financial Services. Feedback highlights their strengths in customer support, effective communication, and adaptability to client needs. Clients appreciate their proactive approach, efficiency in handling inquiries, and ability to scale teams quickly. Overall sentiment is positive, particularly in sectors like IT and Media, where they significantly enhance operational efficiency and customer satisfaction.
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Hospitality & leisure Non-profit Transportation Consumer Products eCommerce HVAC Telecommunications Research Arts, entertainment & music Healthcare Other Industry Social Networking Business services Gaming Software Education Energy & natural resources Manufacturing Fitness Wellness & Fitness Other industries Retail Media Advertising & marketing Information technology IT Services Financial services

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Average Project Cost Breakdown

$10,000 to $49,000 (19) $50,000 to $199,999 (11) Less than $10,000 (7) $1,000,000 to $9,999,999 (2) $200,000 to $999,999 (1)

What Clients Have Said
SupportYourApp has received positive feedback regarding its cost-effectiveness and value for money. Clients frequently mention that their pricing fits within budget constraints while delivering quality service. For instance, one client noted, 'Pricing fit our budget and good value for cost,' emphasizing the alignment of SupportYourApp’s services with their financial expectations. Overall, clients express satisfaction with the return on investment, highlighting that the support received often exceeds their initial expectations.
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More responsive than most other service providers

SupportYourApp is very responsive
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United States (25) Ukraine (7) Israel (6) England (5) Germany (3) Netherlands (3) Czech Republic (2) Denmark (2) Sweden (2) Ireland (2) Luxembourg (1) Poland (1) Austria (1) Malta (1) Greece (1) New Zealand (1) Norway (1) Italy (1) Russia (1) France (1) Switzerland (1) Costa Rica (1) Canada (1) Bahamas (1)

This provider is fluent in 31 languages:

English

Spanish

Arabic

Bengali

Hindi

Russian

Portuguese

Japanese

German

Korean

French

Turkish

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This provider is available in 33 time zones:

Colombia Time (COT)

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Gulf Standard Time (GST)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

Japan Standard Time (JST)

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MarKam Solutions

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 prominent provider of Call Center Services, excelling in Customer Support and Phone Support. With 100% positive feedback, clients consistently praise their cost efficiency and exceptional project management, noting their adaptability and communication skills. Approximately 40% of reviewers highlight MarKam Solutions' alignment with company values, while 60% emphasize their data-driven and innovative approach.

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Reviews mention Detail-oriented
Clients consistently praised MarKam Solutions for their detail-oriented approach, highlighting their structured methodology and data-driven decisions. One client noted their 'attention to detail and excellent communication skills,' which facilitated timely task completion. Another emphasized their 'very structured and detail-oriented' management style, which contributed to significant improvements in customer satisfaction and operational efficiency. Overall, the sentiment regarding their attention to detail is overwhelmingly positive, indicating a strong alignment with client needs.

Sales & Customer Service Outsourcing for Transportation Co

5.0 Sep 9, 2024

What did you find most impressive or unique about this company? Attention to detail and excellent communication skills between our company and MarKam. Ability to apply industry leading strategies for continuous improvement, coupled with the latest technology implementation.
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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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Advertising & marketing Information technology Supply Chain, Logistics, and Transport Manufacturing Transportation

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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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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

4.8 23 reviews

Verified

$5,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% Call Center Services

50% Customer Service Outsourcing

20% Sales Outsourcing +2 services

10% Back Office Outsourcing

10% IT Staff Augmentation

Mercatus is a Contact Center Services company specializing in lead generation, cold calling, and customer support services. Their reviews highlight a strong performance in communication and organization, with 75% of feedback emphasizing responsiveness and efficient project management. While their cold calling services are consistently praised, 25% of reviewers noted areas for improvement in LinkedIn campaigns. Overall, clients appreciate Mercatus' ability to deliver on their objectives effectively.

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Industry Experience

Mercatus has demonstrated expertise across various sectors including Information Technology, Retail, Manufacturing, and Financial Services. Clients consistently praise their effectiveness in lead generation and customer outreach, highlighting impactful campaigns particularly in B2B contexts. The overall sentiment reflects a strong appreciation for their project management, communication, and adaptability, with notable success in enhancing visibility and engagement in the markets they serve. Companies in need of targeted lead generation strategies, especially in IT and retail, would find Mercatus a suitable partner.
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Financial services Information technology Consulting IT Services Engineering Retail Consumer Products Construction Manufacturing Human Resources Software eCommerce

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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 generally express satisfaction with Mercatus's value for money, noting that their pricing aligns well with budgets while delivering quality outcomes. One CEO highlighted the "good value for cost," and another remarked on the "fair" pricing despite a desire for lower costs. Overall, feedback indicates that clients perceive Mercatus as a reliable partner that effectively meets their lead generation needs, with investment returns being realized within a year in some cases.
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Bulgaria (17) Romania (2) Estonia (1) Poland (1) Spain (1)

This provider is fluent in 24 languages:

English

Spanish

Arabic

Russian

Portuguese

German

French

Turkish

Italian

Polish

Ukrainian

Romanian

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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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1 of 1 Sofia-based review is 5 stars

Less than $10,000 avg. project cost for Call Center Services services in Sofia

Sofia-based Call Center Services project highlight

Lead Generation Services for IT Services Company
5.0 — Mercatus provided lead generation services for an IT services company. The team was responsible for generating leads for in-person events and marketing purposes. Read more
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MarketStar Bulgaria

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, a provider of Contact Center Services, excels in offering Customer Support Services and Call Handling solutions. Reviews highlight their dedication, attention to detail, and structured approach. Approximately 90% of feedback is positive, with clients praising their process management and telephonic support. However, some noted initial challenges with industry familiarization due to team juniority.

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Industry Experience

MarketStar Bulgaria has demonstrated significant expertise across various industries, including Financial Services, IT, and Other sectors. Clients have praised their strong sales strategy development, lead generation, and customized training programs. Feedback indicates a positive impact on sales processes, enhanced team skills, and overall revenue growth. Their adaptive approach and deep understanding of client needs contribute to high satisfaction levels, making them a suitable partner for organizations seeking to improve their sales effectiveness in technology and financial domains.
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Other industries Financial services Information technology Advertising & marketing Business services

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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
MarketStar Bulgaria has received positive feedback regarding their overall cost and value for money. Clients frequently highlight the 'good value for cost' as a key reason for selecting them over competitors. For example, one client noted their 'great culture fit' and 'high ratings' contributed to their decision. Overall, the sentiment reflects satisfaction with the pricing relative to the quality of services provided, emphasizing their effectiveness in delivering results while maintaining affordability.
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

4.9

Willing to Refer

5.0

Reviewers in Sofia commend MarketStar Bulgaria for their deep sales knowledge, adaptability, and comprehensive support in building sales processes, expanding networks, and closing deals. They value the company's proactive communication, industry understanding, and consistent delivery of measurable results in demanding markets.
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Hypergen

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.

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

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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

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Local clients highlight Hypergen's ability to generate quality sales opportunities, with effective communication and campaign management that adapts quickly to client needs and industry nuances.
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Euroccor JSC

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 Contact Center Services, particularly focusing on Customer Support Services such as listing quality checks. The overall feedback is positive, with clients appreciating their exceptional attention to detail and effective workflow. One client noted significant time savings, although there is a suggestion for even faster service delivery.

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0 of 1 Call Center Services reviews are 5 stars

Unknown avg. project cost

Call Center Services PROJECT HIGHLIGHT

Listing Quality Services for Job Searching Platform
4.5 — Euroccor JSC provides listing quality services for a job searching platform. Read more
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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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Human Resources

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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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Lukanoff Consulting Ltd

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 specializes in Contact Center Services, with a strong focus on lead generation and booking sales meetings. The company consistently receives positive feedback for its efficient customer support services, with 100% of reviewers praising their professionalism and timely delivery. Clients particularly value their cultural alignment and adaptability.

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Reviews mention Great project management
Clients have consistently praised Lukanoff Consulting for their exceptional project management skills. One client noted their proactive approach in organizing regular meetings to discuss results and adjustments, ensuring timely deliverables. Another highlighted their effective communication through various channels and their commitment to meeting deadlines. Overall, the sentiment is overwhelmingly positive, with clients appreciating their adaptability and personalized service, which enhances the collaborative experience.

LinkedIn Outreach for Technical Documentation Company

5.0 Mar 28, 2022

They’re great at project management; I don’t have any complaints in that regard. They’re very proactive in organizing meetings either every week or every couple of weeks to go over the results and discuss potential changes if needed.
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Lead Generation for Private Equity Firm

5.0 Feb 24, 2022

Lukanoff is excellent at project management. They’ve been great in ensuring that timelines go without a hitch. We have weekly catch-up calls, monthly reviews, and quarterly overviews.
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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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1 of 1 Sofia-based review is 5 stars

$10,000 – $49,000 avg. project cost for Call Center Services services in Sofia

Sofia-based Call Center Services 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
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Review Rating from Clients

4.9/5.0

Quality

4.9

Schedule

4.9

Cost

4.9

Willing to Refer

4.9

Local businesses highlight Lukanoff Consulting Ltd's ability to develop tailored sales and marketing strategies, generating qualified leads and closing deals efficiently. Reviewers commend their high responsiveness, effective communication, and capacity to adapt to different market needs.
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ScaleRush

5.0 2 reviews

Undisclosed

Undisclosed

10 - 49

Sofia, Bulgaria

Services provided

80% Sales Outsourcing

20% Email Marketing

ScaleRush is a lead generation and sales outsourcing company known for its customized pipelines and tailored outreach strategies. They receive overwhelmingly positive feedback, with clients highlighting their proactive project management and deep industry knowledge. Approximately 100% of the reviewers mentioned over-delivering on results, such as increasing sales pipelines by 50% within two months.

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Average Project Cost Breakdown

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

What Clients Have Said
Clients have highlighted ScaleRush's strong value for money, noting that the company delivers impressive results relative to their costs. One client emphasized that ScaleRush provided 'good value for cost' and exceeded expectations by increasing sales pipelines significantly. Another client mentioned spending $15,000 and receiving over 120 leads in just 60 days, which far surpassed their usual closing rates. Overall, feedback indicates a positive sentiment regarding cost-effectiveness and the quality of service provided.
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Bulgaria (1) Switzerland (1)

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

4.5

Local clients describe ScaleRush as highly effective in creating customized lead pipelines, generating substantial results within 60 days. They highlight the team's deep understanding of business needs, reliable project execution, and innovative outreach tactics that outperform typical industry standards.
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PowerSellers

5.0 2 reviews

$10,000+

Undisclosed

2 - 9

Sofia, Bulgaria

Services provided

15% Call Center Services

60% Sales Outsourcing

25% Market Research

PowerSellers specializes in Contact Center Services, focusing on lead generation and customer relationship management. The company has successfully contacted 57% more clients and generated 72% more leads annually. Their commitment to customer support and responsiveness is highlighted by their availability and proactive approach, although there is room for improvement in patience during peak times.

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Reviews mention Flexible
The feedback regarding PowerSellers highlights their notable flexibility in project management. A client from Barry Callebaut emphasized being impressed by their ability to adapt to needs, noting their responsiveness and effective communication throughout the project. This sentiment underscores PowerSellers' capacity to meet client expectations without any areas for improvement identified by the client. Overall, the sentiment is highly positive, reflecting satisfaction with their adaptable approach.

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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1 of 1 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services 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
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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 client noted that their pricing 'fit our budget' and provided 'good value for cost.' Another client echoed this sentiment, stating that PowerSellers' pricing was a key reason for their selection, emphasizing their ability to deliver results while maintaining affordability. Overall, the sentiment regarding cost and value is highly positive, with no significant complaints noted.
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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.
Get in Touch

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CXG Business Process Outsourcing

5.0 1 review

Undisclosed

Undisclosed

50 - 249

Sofia, Bulgaria

Services provided

24% Call Center Services

25% Customer Service Outsourcing

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.

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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.
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Select Industry to see insights

Software

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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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InfoSource Bulgaria Ltd

4.5 2 reviews

$1,000+

< $25 / hr

10 - 49

Sofia, Bulgaria

Services provided

20% Call Center Services

20% Back Office Outsourcing

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 Proactive
Clients have consistently praised InfoSource Bulgaria Ltd for their proactive approach to project management. One client highlighted their responsiveness, stating that the team was 'always very responsive, timely and pro-active.' Additionally, they appreciated the ongoing support in identifying market changes. Overall, the sentiment reflects a strong satisfaction with the company's ability to anticipate needs and deliver quality service efficiently.

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. We have always been very happy to work with Infosource for different reasons: They focus on customer happiness, high quality for a fair price, very responsive, easygoing and great to work with.
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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.
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Select Industry to see insights

Software Media

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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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MarketStar

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.
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Sofia, Bulgaria

bulevard "Cherni vrah"
Sofia, Bulgaria 1415
201 - 250

359 89 593 6318

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ODEON msc - A TTC brand

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% Call Center Services

20% Finance & Accounting Outsourcing (FAO)

20% HR Consulting +5 services

10% Accounting

10% Back Office Outsourcing

10% Business Consulting

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

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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Customer Care BG Ltd.

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

100% Call Center Services

Call center service Customer Care BG Ltd. Is located in Sofia, Bulgaria. Their services include Call Center Services.
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Sixty K Ltd

Not yet reviewed

$50,000+

< $25 / hr

1,000 - 9,999

Sofia, Bulgaria

Services provided

10% Call Center Services

80% Customer Service Outsourcing

10% Back Office Outsourcing

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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Squaretalk

Not yet reviewed

$1,000+

Undisclosed

50 - 249

Sofia, Bulgaria

Services provided

20% Call Center Services

80% Unified Communications Consulting & SI

Launched in 2010, Squaretalk is an unified communications consulting & SI company. The midsize team provides unified communications consulting & SI and Call Center Services.
Read more

Sofia, Bulgaria

133 Todor Aleksandrov blvd
Sofia, Bulgaria 1309
10 - 15

+35924916130

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Mellon Bulgaria

Not yet reviewed

$1,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Services provided

25% Call Center Services

25% HR Outsourcing

25% Other Application Development +2 services

15% Custom Software Development

10% Mobile App Development

Call center service Mellon Bulgaria was established in 2001. The midsize team provides Call Center Services and HR Outsourcing.
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Euro Connect

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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Instorm

Not yet reviewed

$5,000+

$200 - $300 / hr

2 - 9

Sofia, Bulgaria

Services provided

50% Corporate Training & Coaching

30% Business Consulting

20% Sales Outsourcing

Launched in 2018, Instorm is a Corporate Training & Coaching company. The team provides Corporate Training & Coaching and Business Consulting and is based in Sofia, Bulgaria.
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Passion4Growth

4.9 9 reviews

$1,000+

$50 - $99 / hr

2 - 9

Breznik, Bulgaria

Services provided

30% Business Consulting

30% Sales Outsourcing

20% Account-Based Marketing +1 service

20% Market Research

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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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.
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Select Industry to see insights

Advertising & marketing Telecommunications IT Services Human Resources Software Design

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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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Review Rating from Clients

4.8/5.0

Quality

5.0

Schedule

4.7

Cost

4.8

Willing to Refer

4.8

Local clients praise Passion4Growth for their expertise in LinkedIn growth, lead generation, and brand positioning, successfully supporting diverse projects from profile optimization to client acquisition. They emphasize the company's proactive approach, reliable communication, and ability to deliver measurable results across various industries.
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eTel Digital Agency

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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Latiane Ltd

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

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Orpheus Solutions

5.0 1 review

$5,000+

$25 - $49 / hr

2 - 9

Sofia, Bulgaria

Services provided

25% Call Center Services

30% Corporate Training & Coaching

25% Business Consulting +2 services

10% Finance & Accounting Outsourcing (FAO)

10% HR Consulting

Orpheus Solutions is a digital marketing consulting firm recognized for its innovative approach and profound expertise in digital marketing strategies. The company has received 100% positive feedback, with clients praising their effective workflow and impressive creativity. Reviewers consistently highlight their reliability and ability to provide new perspectives, with no areas noted for improvement.

See all 1 projects

Industry Experience

Orpheus Solutions has demonstrated expertise in the Arts, Entertainment, and Music industry, particularly in enhancing marketing strategies. Clients appreciate their innovative approach and extensive knowledge in digital marketing, resulting in effective collaboration and promising project trajectories. Overall sentiment is positive, indicating strong potential for companies within similar sectors seeking to optimize marketing channels and improve ROI.
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Select Industry to see insights

Arts, entertainment & music

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Average Project Cost Breakdown

Less than $10,000 (1)

What Clients Have Said
Clients express a positive sentiment regarding the value for money provided by Orpheus Solutions, highlighting their effective consulting services in digital marketing. One client noted the company's impressive creative insights and strategic approach, indicating a strong reliance on their expertise. Although specific financial outcomes were not yet available, the client emphasized their satisfaction and confidence in the company's ability to maximize return on investment, suggesting that the pricing aligns well with the quality of service offered.
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Logicall Bulgaria AD

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Serdica, Bulgaria

Services provided

100% Call Center Services

Logicall Bulgaria AD, an answering service company, was established in 2007. The company specializes in Call Center Services.
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Alba Center

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

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Inter Contact Bulgaria

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Sofia, Bulgaria

Services provided

100% Call Center Services

Answering service Inter Contact Bulgaria is headquartered in Sofia, Bulgaria. They focus on Call Center Services and were launched in 2006.
Read more

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Callhalla

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.
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Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

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

1 MarketStar Bulgaria

2 MarKam Solutions

3 Mercatus

4 Hypergen

5 Euroccor JSC

6 Lukanoff Consulting Ltd

7 ScaleRush

8 PowerSellers

9 CXG Business Process Outsourcing

10 InfoSource Bulgaria Ltd

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

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

Focus (x-axis)

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

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

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

List of the Top 10 Sofia Call Center Companies & Voice Services

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

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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

30% Call Center Services

20% Sales Outsourcing

50% Other

View Profile Visit Website
Mercatus

$5,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

32.1/40.0

16.6/20 Reviews

9.8/10 Clients & Experience

5.7/10 Market Presence

Service focus

10% Call Center Services

20% Sales Outsourcing

70% Other

View Profile Visit Website
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
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

65% Call Center Services

10% Sales Outsourcing

25% Other

View Profile Visit Website
Lukanoff Consulting Ltd

$1,000+

$50 - $99 / hr

2 - 9

Sofia, Bulgaria

Ability to deliver

28.2/40.0

16.2/20 Reviews

8/10 Clients & Experience

4/10 Market Presence

Service focus

30% Sales Outsourcing

70% Other

View Profile Visit Website
ScaleRush

Undisclosed

Undisclosed

10 - 49

Sofia, Bulgaria

Ability to deliver

20.6/40.0

16.6/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

80% Sales Outsourcing

20% Other

View Profile Visit Website
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

15% Call Center Services

60% Sales Outsourcing

25% Other

View Profile Visit Website
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

24% Call Center Services

76% Other

View Profile Visit Website
InfoSource Bulgaria Ltd

$1,000+

< $25 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

25/40.0

14.6/20 Reviews

5.5/10 Clients & Experience

4.9/10 Market Presence

Service focus

20% Call Center Services

80% Other

View Profile Visit Website
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
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% Call Center Services

10% Sales Outsourcing

80% Other

View Profile Visit Website
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
Customer Care BG Ltd.

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% Call Center Services

View Profile Visit Website
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

10% Call Center Services

90% Other

View Profile Visit Website
Squaretalk

$1,000+

Undisclosed

50 - 249

Sofia, Bulgaria

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

20% Call Center Services

80% Other

View Profile Visit Website
Mellon Bulgaria

$1,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

25% Call Center Services

75% Other

View Profile Visit Website
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

40% Call Center Services

20% Sales Outsourcing

40% Other

View Profile Visit Website
Instorm

$5,000+

$200 - $300 / hr

2 - 9

Sofia, Bulgaria

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

20% Sales Outsourcing

80% Other

View Profile Visit Website
Passion4Growth

$1,000+

$50 - $99 / hr

2 - 9

Breznik, Bulgaria

Ability to deliver

24/40.0

16.6/20 Reviews

2.8/10 Clients & Experience

4.6/10 Market Presence

Service focus

30% Sales Outsourcing

70% Other

View Profile Visit Website
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
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

60% Call Center Services

40% Other

View Profile Visit Website
Orpheus Solutions

$5,000+

$25 - $49 / hr

2 - 9

Sofia, Bulgaria

Ability to deliver

20.2/40.0

16.2/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

25% Call Center Services

75% Other

View Profile Visit Website
Logicall Bulgaria AD

$1,000+

$25 - $49 / hr

2 - 9

Serdica, Bulgaria

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

100% Call Center Services

View Profile Visit Website
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

50% Call Center Services

25% Sales Outsourcing

25% Other

View Profile Visit Website

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Top Call Center Services & Voice Services in Sofia

List of the Top Sofia Call Center Companies & Voice Services

Reviews mention Open to feedback

Сall Сenter Services for International Wholesale Retailer

Reviewed 1 time in the past 6 months

Call Center Staffing for Government Helpline

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Reviews mention Open to feedback

Сall Сenter Services for International Wholesale Retailer

Reviewed 1 time in the past 6 months

Call Center Staffing for Government Helpline

Industry Experience

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Reviews mention Flexible

Content Mktg & Call Center Services for Cashback Gaming Co

Customer Service Outsourcing for Gaming Company

Multilingual Customer Support for Beverage Company

CX Outsourcing for Financial Services Firm

Customer Support for IT Company

Call Center Services for Automotive Company

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SupportYourApp is very responsive

Reviews mention Detail-oriented

Sales & Customer Service Outsourcing for Transportation Co

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Industry Experience

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Lead Generation Services for IT Services Company

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Listing Quality Services for Job Searching Platform

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Reviews mention Great project management

LinkedIn Outreach for Technical Documentation Company

Lead Generation for Private Equity Firm

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Direct Marketing & Sales Outsourcing for ERP Platform

Average Project Cost Breakdown

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Reviews mention Flexible

Certificate Acquirement & Redemption for Cocoa Products Co

Call Center Services for Energy Solutions Provider

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PowerSellers is very responsive

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Reviews mention Proactive

Financial Services for Financial & Economic Media Company

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Reviews mention Communicative

Business Development Consulting for IT & Telecommunications Company