Top Call Center Services & Voice Services in Bulgaria

Ratings Updated: June 23, 2026

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31 Companies

Country: Bulgaria

List of the Top Bulgaria Call Center Companies & Voice Services

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Simply Contact

4.8 26 reviews
Verified

$1,000+

< $25 / hr

250 - 999

Serves Bulgaria

Services provided

35% Call Center Services

55% Customer Service Outsourcing

10% Back Office Outsourcing

Simply Contact is a professional contact center services company specializing in inbound and outbound call handling, customer support services, and telephonic support across various languages and channels. Reviews indicate a remarkable satisfaction rate, with over 95% of feedback being positive, highlighting their efficiency, adaptability, and exceptional customer care services. Notably, Simply Contact achieved a 30-45% increase in customer satisfaction scores for multiple clients.

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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 multiple industries, including Information Technology, Financial Services, Software, Education, Advertising & Marketing, and Retail. Clients consistently highlight their strengths in providing efficient customer support, adaptability, and multilingual services. Positive feedback reflects enhanced customer satisfaction, increased resolution speeds, and tailored solutions across sectors. Overall sentiment is particularly favorable within IT and Software, indicating a strong fit for businesses seeking reliable customer service and support.
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Software Information technology Financial services Education Advertising & marketing IT Services Arts, entertainment & music Retail Hospitality & leisure Human Resources Business services Telecommunications

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Average Project Cost Breakdown

$10,000 to $49,000 (6) $1,000,000 to $9,999,999 (4) $50,000 to $199,999 (3)

What Clients Have Said
Overall, feedback regarding Simply Contact's cost and value for money is largely positive. Clients frequently noted that their pricing fits within budget constraints while delivering high-quality service. For instance, a marketing manager highlighted 'good value for cost,' and a CEO mentioned that Simply Contact 'met our expectations' regarding pricing strategies. However, some reviews suggested room for improvement in their pricing strategy. Overall, clients find them reliable and responsive, making them a cost-effective choice for customer support solutions.
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Ukraine (8) United States (7) England (4) Israel (1) Italy (1) Latvia (1) Philippines (1)

This provider is fluent in 13 languages:

Arabic

Czech

Dutch

English

French

German

Italian

Polish

Romanian

Russian

Slovakian

Spanish

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SupportYourApp

4.8 86 reviews
Premier Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves 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 distinguished provider of Customer Support Services, specializing in Contact Center Services, Inbound and Outbound Call Center solutions, and 24/7 Customer Care Services. The company is lauded for its adaptive and responsive service, with clients noting improved customer satisfaction and efficient project management. Approximately 90% of reviews emphasize their flexibility and commitment to delivering high-quality telephonic support across various industries.

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Reviews mention Reliable
Clients consistently highlight the reliability of SupportYourApp, noting their teams' availability and effective communication. For instance, one client praised their 'consistent service quality' and 'timely assistance,' while another emphasized their 'proactive approach' in managing workflows. The overall sentiment reflects high satisfaction, with clients feeling confident in SupportYourApp's ability to handle issues efficiently and maintain strong customer engagement, leading to smooth and productive partnerships.

Customer Service Outsourcing for Self-Care Platform

4.0 Jul 8, 2025

The team has been responsive, reliable, and easy to work with. It’s been a smooth partnership, and we look forward to continuing to coordinate with the team. The team is reliable and responsive to our needs. They operate during our key hours.
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Customer Service Outsourcing for Software Company

5.0 Oct 13, 2025

SupportYourApp delivered 24/7 omnichannel support with strong service availability, fast response times, and high customer satisfaction. The team has been responsive, reliable, and very proactive. We value a structured approach, ensuring smooth coordination and communication across all support channels.
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Customer Service Outsourcing for Gaming Company

5.0 Nov 12, 2025

The team’s availability around the clock helps us maintain strong customer engagement and ensure uninterrupted support. Their professionalism and efficiency have contributed positively to our service standards. Communication is straightforward and focused on essential updates. They respond promptly to important issues and maintain a flexible approach to our operational needs. We appreciate their reliability and ability to provide consistently high-quality support within a shared team structure.
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IT Staff Aug for Generative AI Platform

4.5 Feb 15, 2026

The biggest impact has been reliability. Having a team we can trust to oversee AI operations has reduced errors and given us added confidence that our AI-driven live experiences run smoothly. Their project management has been very smooth. We rarely had additional requests, and the agents consistently delivered on time and handled any issues efficiently.
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8 of 11 reviews are 5 stars

1 new review for Call Center Services services

$200,000 – $999,999 avg. project cost

Reviewed 11 times in the past 6 months
Recent client feedback on SupportYourApp reveals a mix of satisfaction and disappointment. Positive sentiments highlight their responsiveness, flexibility, and efficient project management, with one client noting improved recruitment outcomes and another praising their 24/7 support capabilities. Conversely, a review from a lifestyle apparel brand expressed frustration over service quality, citing a lack of ownership and increased workload. Overall, while many clients appreciate the value and support provided, consistency in service quality remains a concern.
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30 of 33 Call Center Services reviews are 5 stars

1 new review for Call Center Services in past 6 months

$50,000 – $199,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Water & Energy Metering Company
5.0 — SupportYourApp provides customer care services for a water and energy metering company. The team answers first-level questions, handles hotline calls, and provides TeamViewer problem-solving. Read more
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Industry Experience

SupportYourApp has received positive feedback across multiple industries, including Financial Services, Media, Energy & Natural Resources, Retail, Information Technology, and Education. Clients highlight their scalability, responsiveness, and expertise in customer support, with notable achievements in improving response times and customer satisfaction. Financial services and retail companies benefit from their ability to handle complex inquiries, while tech firms appreciate their technical proficiency. Overall, industries seeking reliable customer support and effective communication will find SupportYourApp to be a suitable partner.
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Hospitality & leisure Non-profit Consumer Products eCommerce HVAC Healthcare Telecommunications Arts, entertainment & music Research Transportation Other Industry Social Networking Business services Gaming Software Education Financial services Energy & natural resources Manufacturing Fitness Wellness & Fitness Advertising & marketing Other industries Information technology Retail Media IT Services

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Hugo Inc.

5.0 28 reviews
Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves 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 Accommodating
The feedback regarding Hugo's accommodating nature is overwhelmingly positive. Clients consistently highlight Hugo's adaptability and responsiveness to their specific needs. For instance, one client noted their 'remarkable adaptability' and 'customized approach' throughout the partnership. Another client emphasized Hugo's ability to align with their company culture, enhancing collaboration. Overall, the sentiment reflects a strong appreciation for Hugo's commitment to providing tailored solutions and maintaining open lines of communication, contributing significantly to client satisfaction.

Back Office Outsourcing for E-Commerce Co

5.0 Sep 24, 2024

Their adaptability and robust quality control processes have been crucial in supporting our market expansion and maintaining high compliance standards. Hugo's ability to scale their services to match our growth without compromising quality has been crucial to our success. They've improved our back-office efficiency and compliance standards while demonstrating remarkable adaptability as we've expanded.
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Call Center Services for Automotive Company

5.0 Jun 27, 2024

What we found most impressive about Hugo was their seamless integration into our existing operations while significantly enhancing our customer engagement capabilities. Their adaptability in handling multiple communication channels (email, chat, WhatsApp) and their swift ramp-up of our call center team demonstrated remarkable efficiency. Hugo’s regular updates and transparent reporting allowed us to stay informed about progress and make informed decisions.
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Customer Support for FinTech Organization

5.0 Aug 23, 2023

Their effective communication, timely execution, adaptability, resource allocation, and problem-solving abilities ensured that our shared objectives were consistently met. Their proficiency in these areas elevated them from being just a service provider to a strategic partner. Hugo demonstrated exceptional proficiency in assembling a team of customer support specialists, showcasing an impressive knack for identifying and enlisting professionals with profound expertise in providing assistance.
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Customer Service Outsourcing for Gaming Company

5.0 Aug 22, 2023

Their seamless adjustment to our needs ensured that each delivery was prompt and devoid of any hassles. Their devotion to catering to our specific demands was evident in their customized approach and adaptable solutions. Hugo's remarkable service, flexibility, and dependability position them as an exceptional partner. Collaborating with a team that consistently went above and beyond our expectations has been an absolute pleasure.
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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. Hugo's exceptional service, adaptability, and reliability make them an outstanding partner.
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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

Back Office Outsourcing for E-Commerce Co
5.0 — Hugo provides back-office outsourcing for an e-commerce company. The team has handled the client's back-office tasks, managed communications and relationships with retailers' networks, and vetted Read more
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Industry Experience

Hugo Inc. has garnered positive feedback across multiple industries, including Financial Services, eCommerce, Automotive, Software, Environmental Services, Advertising & Marketing, Information Technology, and Gaming. Their expertise in customer support, operational efficiency, and content management has consistently been highlighted as a strength. Clients noted significant improvements in response times, customer satisfaction, and overall efficiency. Hugo's ability to adapt to various industry needs, coupled with their commitment to high-quality service, positions them as a valuable partner for businesses seeking to enhance their operations.
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Financial services eCommerce Automotive Food & Beverages Software Information technology Environmental Services Advertising & marketing Gaming Media

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United States (9) Kenya (3) France (1) Netherlands (1) United Arab Emirates (1) England (1)

This provider is fluent in 54 languages:

Mandarin

English

Spanish

Arabic

Bengali

Hindi

Russian

Portuguese

Japanese

German

Javanese

Korean

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This provider is available in 38 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)

India Standard Time (IST)

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Simply Contact

4.8 26 reviews
Verified

$1,000+

< $25 / hr

250 - 999

Serves Bulgaria

Services provided

35% Call Center Services

55% Customer Service Outsourcing

10% Back Office Outsourcing

Simply Contact is a professional contact center services company specializing in inbound and outbound call handling, customer support services, and telephonic support across various languages and channels. Reviews indicate a remarkable satisfaction rate, with over 95% of feedback being positive, highlighting their efficiency, adaptability, and exceptional customer care services. Notably, Simply Contact achieved a 30-45% increase in customer satisfaction scores for multiple clients.

See all 26 projects
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
Read 15 Reviews

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Industry Experience

Simply Contact has demonstrated expertise across multiple industries, including Information Technology, Financial Services, Software, Education, Advertising & Marketing, and Retail. Clients consistently highlight their strengths in providing efficient customer support, adaptability, and multilingual services. Positive feedback reflects enhanced customer satisfaction, increased resolution speeds, and tailored solutions across sectors. Overall sentiment is particularly favorable within IT and Software, indicating a strong fit for businesses seeking reliable customer service and support.
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Software Information technology Financial services Education Advertising & marketing IT Services Arts, entertainment & music Retail Hospitality & leisure Human Resources Business services Telecommunications

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Average Project Cost Breakdown

$10,000 to $49,000 (6) $1,000,000 to $9,999,999 (4) $50,000 to $199,999 (3)

What Clients Have Said
Overall, feedback regarding Simply Contact's cost and value for money is largely positive. Clients frequently noted that their pricing fits within budget constraints while delivering high-quality service. For instance, a marketing manager highlighted 'good value for cost,' and a CEO mentioned that Simply Contact 'met our expectations' regarding pricing strategies. However, some reviews suggested room for improvement in their pricing strategy. Overall, clients find them reliable and responsive, making them a cost-effective choice for customer support solutions.
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Ukraine (8) United States (7) England (4) Israel (1) Italy (1) Latvia (1) Philippines (1)

This provider is fluent in 13 languages:

Arabic

Czech

Dutch

English

French

German

Italian

Polish

Romanian

Russian

Slovakian

Spanish

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MarKam Solutions

5.0 9 reviews

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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 Exceeds expectations
MarKam Solutions consistently exceeds client expectations across various projects. One client noted their 'extreme promptness' and ability to 'bring outside perspective and innovation,' while another highlighted their 'speed and quality of delivery.' A COO remarked on their 'attention to detail' and 'excellent communication skills,' stating that their experience has 'exceeded expectations.' Overall, clients express high satisfaction, indicating a strong alignment with their needs and objectives.

Sales & Customer Service Outsourcing for Transportation Co

5.0 Sep 9, 2024

Honestly, as I write this our experience has exceeded our expectations. Every deliverable was met on a timely and professional manner. Ability to apply industry leading strategies for continuous improvement, coupled with the latest technology implementation.
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Call Center Services for Auto Transport Broker

5.0 Mar 19, 2025

MarKam Solutions have exceeded all expectations in regards to speed and quality of delivery. They have also been incredibly decisive when things aren't working. Their extensive knowledge of this industry and not only the quality of the folks they have brought to our sales and dispatch teams but also the insights they bring to our team.
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Customer Services & Sales Staffing for Auto Transport Co

5.0 Mar 19, 2025

They are extremely prompt and have exceeded our expectations in many areas. Their ability to learn quickly and scale combined with leveraging their outside experience is impressive.
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5 of 5 Call Center Services reviews are 5 stars

1 new review for Call Center Services in past 6 months

$50,000 – $199,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Logistics & Supply Chain Company
5.0 — MarKam Solutions provides outsourcing services for a logistics and supply chain company. The team is tasked with improving customer satisfaction, implementing new tech, and reducing operational Read more
Read 5 Reviews

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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 provider specializing in customer support, cold calling, and lead generation. The company receives largely positive feedback, with approximately 75% of reviewers highlighting their effective communication, quick response times, and organization. While their cold calling services are praised, some reviewers noted areas for improvement in their LinkedIn campaigns.

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1 of 1 reviews is 5 stars

Unknown avg. project cost

Reviewed 1 time in the past 6 months
Recent feedback highlights Mercatus's effective lead generation strategies, particularly in the e-commerce sector. Clients praised their structured approach, achieving an impressive 89% meeting acceptance rate and consistently organizing eight meetings per month. The team's ability to tailor outreach and engage with high-level decision-makers was also noted. Overall sentiment is highly positive, with clients expressing satisfaction with the professionalism and results delivered, and no areas for improvement were identified.
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2 of 4 Call Center Services reviews are 5 stars

Less than $10,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Engineering Company
4.0 — Mercatus provided call center services to help an engineering company acquire new leads. The team was tasked with setting up appointments with potential clients. Read more
Read 4 Reviews

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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 consistently commend Mercatus for their competitive pricing and high value for money. For instance, one executive noted that Mercatus's pricing fit their budget and offered good value, while another client mentioned achieving significant ROI within a year. Overall, the sentiment reflects satisfaction with the cost-effectiveness of the services provided, with several clients expressing that the investment was justified by the results achieved.
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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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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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Reviews mention Understands their clients' needs
Hypergen is frequently praised for their deep understanding of client needs, as noted by multiple clients. One COO highlighted their ability to engage relevant investors effectively, while the CEO of Hop Online commended their agile project management and alignment with business goals. The SVP of Marketing & Sales at Lytics emphasized Hypergen's quick onboarding and proactive anticipation of requirements, contributing to a 30% increase in pipeline. Overall, clients express high satisfaction with Hypergen’s responsiveness and organizational skills.

Lead Generation & Email Mktg Services for BioTech Company

5.0 Aug 5, 2024

Hypergen tries to understand our technology and reach out to relevant investors to gauge their potential interest in our work. During the period of our collaboration, we received 68 qualified leads, the majority of them (53) were asking for a deck, and 15 of them were up to a call.
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Lead Gen & Cold Email Campaign for Digital Mktg Agency

5.0 Jun 6, 2024

Their project management, led by Nelly, was stellar. They were very agile and responsive, able to pivot in and out of new campaign ideas quickly. They understood our business and needs very well.
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Outbound Lead Generation for Customer Data Platform

5.0 Nov 11, 2022

Workflow is easy as they anticipate our needs and get the job done. We have a slack channel with our two teams and most of the activities are done in real-time and we never need to wait for a meeting. Their ability to understand our message and get us up and running so quickly.
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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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United States (8) Bulgaria (3) Canada (2) Israel (1) Romania (1)

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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 is a firm specializing in Customer Support Services, offering targeted solutions in lead generation and B2B marketing. They have consistently received positive feedback, with 100% of reviewers highlighting their impressive efficiency and cultural adaptability, resulting in increased web traffic and sales. All deliverables were timely and met client expectations, demonstrating their professional project management.

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Reviews mention Timely
Clients consistently praised Lukanoff Consulting Ltd for their timely project management and delivery. One client noted, 'Everything was done professionally and on time,' highlighting their efficiency. Another stated, 'They deliver everything requested on time,' emphasizing their reliability. Overall, the sentiment regarding timeliness is highly positive, with clients expressing satisfaction and no areas for improvement mentioned in this regard.

Direct Marketing & Sales Outsourcing for ERP Platform

5.0 Mar 5, 2025

Everything was done professionally and on time. The team shows great efficiency in terms of time and resources.
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Marketing Strategy & Email Marketing for Accounting Firm

5.0 Apr 24, 2025

They deliver everything requested on time.
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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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Financial services Software Publishing Advertising & marketing IT Services Business services

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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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Bulgaria (5) England (1)

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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 distinguished by its bespoke approach to client needs. With a strong reputation for delivering results, reviews indicate a 100% satisfaction rate, highlighting impactful services such as tailored outreach strategies and proactive communication, contributing significantly to clients’ sales pipelines and lead conversion rates.

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Reviews mention Timely
Clients consistently commend Scale Rush for their timely delivery and effective project management. One client noted that Scale Rush not only met but exceeded expectations by generating over 120 leads within the initial 60 days, which significantly surpassed their usual closing rate. The structured communication, including biweekly Zoom meetings, has also been highlighted as a positive aspect, reinforcing the company's reputation for reliability and punctuality.

Lead Generation for Video Game & Software Development Co

5.0 Aug 25, 2025

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

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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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Passion4Growth

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.

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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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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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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 Accessible
The sentiment regarding accessibility for PowerSellers is overwhelmingly positive. Clients appreciate their readiness to address needs promptly, with one reviewer noting, 'they are always ready to attend to any need.' Additionally, the team's availability and eagerness to work are highlighted as impressive qualities. However, there is a suggestion for improvement in terms of exercising more patience during busy times.

Call Center Services for Energy Solutions Provider

5.0 Apr 1, 2024

Excellent, they are always ready to attend to any need. The availability and desire to work of each one of them is impressive. Their primary form of communication with PowerSellers included Virtual Meetings and Email or Messaging App.
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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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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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Food & Beverage Energy & natural resources

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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 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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Zadarma

4.0 1 review

Undisclosed

Undisclosed

50 - 249

Burgas, Bulgaria

Services provided

100% Call Center Services

Zadarma is a digital services company specializing in VoIP solutions with CRM integration. Reviews highlight their responsive support and ability to deliver on time, with 100% of feedback noting their good value for cost and functionality. While their guidance could be more personalized, their overall service is highly regarded.

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0 of 1 reviews is 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 1 time in the past 6 months
In the last six months, clients have praised Zadarma for their responsive support and effective VoIP solutions, particularly highlighting their successful CRM integration. One client noted the company's ability to deliver projects on time while providing good value for cost. However, there is a suggestion for improvement regarding the personalization of support, indicating a desire for less templated guidance in addressing queries.
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Industry Experience

Zadarma has demonstrated expertise primarily in the Advertising & Marketing industry, providing effective VoIP solutions with CRM integration. Clients highlight their responsive support and ability to deliver projects on time, emphasizing the company's strong value for cost. Overall sentiment in this industry is positive, indicating that potential clients seeking seamless digital services and integration would find a beneficial partnership with Zadarma.
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Average Project Cost Breakdown

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

What Clients Have Said
Clients have expressed positive sentiments regarding the overall cost and value for money offered by the company. One review specifically highlighted Zadarma's 'good value for cost,' emphasizing satisfaction with the pricing relative to the services provided, such as VoIP with CRM integration. Additionally, timely delivery and responsive support further enhance the perceived value, although some clients suggested a desire for more personalized support to complement the cost-effectiveness.
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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.

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Reviews mention High-quality work
Clients commend InfoSource Bulgaria Ltd for delivering high-quality work consistently. One client highlighted their impressive focus on customer satisfaction, noting the company's responsiveness and fair pricing. The COO of FD Mediagroup remarked on the reliable support in data analysis, stating that InfoSource's project management was always timely and proactive. Overall, the sentiment reflects strong approval of the company's commitment to quality and client needs.

Financial Services for Financial & Economic Media Company

5.0 Sep 14, 2023

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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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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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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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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BPO Bulgaria

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Plovdiv, Bulgaria

Services provided

25% Call Center Services

25% Accounting

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

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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Customer Umbrella

5.0 20 reviews

$1,000+

< $25 / hr

250 - 999

Varna, Bulgaria

Services provided

20% Call Center Services

20% Back Office Outsourcing

20% IT Managed Services +4 services

15% Customer Service Outsourcing

10% IT Staff Augmentation

10% Staffing

5% Recruiting

Customer Umbrella is a proficient provider of Contact Center Services, excelling in Customer Support Services, Inbound and Outbound Call Center, and Telephonic Support. Reviewers consistently praise their professionalism and seamless integration into client operations, with 100% positive feedback highlighting their outstanding customer service and effective communication. Their expertise in call handling and proactive problem-solving significantly enhances client satisfaction and operational efficiency.

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Reviews mention Collaborative
Customer Umbrella has received highly positive feedback regarding their collaborative approach. Clients emphasized the seamless integration of their team into existing workflows, fostering effective communication and mutual respect. One client noted, 'Customer Umbrella became an extension of our own team,' highlighting their proactive engagement. Another praised their commitment to excellence, stating they consistently 'went above and beyond' to ensure successful outcomes. Overall, the sentiment reflects strong satisfaction with their collaborative efforts and dedication to client success.

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.
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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.
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Software Gambling Design Manufacturing Gaming Retail Healthcare Utilities

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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.
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United States (5) Cyprus (2) Germany (2) Canada (1) England (1)

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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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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.

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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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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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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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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.
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Sofia, Bulgaria

133 Todor Aleksandrov blvd
Sofia, Bulgaria 1309
10 - 15

+35924916130

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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.
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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.
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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.
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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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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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2 of 2 Call Center Services reviews are 5 stars

Less than $10,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Outbound Sales Calling for Fintech Company
5.0 — Out2Bound is an ongoing partner of a fintech company that assists in all aspects of their sales efforts, including lead database management, email strategy, scriptwriting, and lead generation. Read more
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Industry Experience

MarketStar Bulgaria (formerly Out2Bound) has garnered positive feedback across various industries including Financial Services, IT, and Other sectors. Clients commend their expertise in sales process optimization, lead generation, and tailored training solutions. In the Financial Services sector, they supported fintech clients in establishing effective sales strategies, resulting in increased efficiency and client engagement. In IT, their efforts led to successful outreach for software solutions. Overall, clients appreciate their adaptability, responsiveness, and commitment to delivering measurable results, making them a suitable partner for businesses aiming to enhance their sales capabilities.
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Software Financial services Design Information technology Healthcare Advertising & marketing Business services IT 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
Overall, clients have expressed positive sentiments regarding the cost and value for money provided by Out2Bound. Many reviews highlight the company's good value for cost, with one client noting they were impressed by the 'great culture fit' and 'high ratings.' Another client emphasized that Out2Bound's services exceeded their expectations, stating they delivered on promises and demonstrated a 'structured approach' that resulted in successful outcomes. Additionally, clients appreciated the flexibility and adaptability of the team, often leading to tangible results despite budget considerations.
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Bulgaria (21) France (2) Switzerland (2) Luxembourg (1) Netherlands (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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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

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We evaluate service providers using a structured methodology that combines:

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

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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 MarKam Solutions

2 Mercatus

3 Hypergen

4 Euroccor JSC

5 Lukanoff Consulting Ltd

6 ScaleRush

7 Passion4Growth

8 PowerSellers

9 Zadarma

10 CXG Business Process Outsourcing

11 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 11 Bulgaria Call Center Companies & Voice Services

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

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Mercatus

$5,000+

< $25 / hr

50 - 249

Sofia, Bulgaria

Ability to deliver

32.5/40.0

17/20 Reviews

9.8/10 Clients & Experience

5.7/10 Market Presence

Service focus

10% Call Center Services

20% Sales Outsourcing

70% Other

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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

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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

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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

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ScaleRush

Undisclosed

Undisclosed

10 - 49

Sofia, Bulgaria

Ability to deliver

21.2/40.0

17.2/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

80% Sales Outsourcing

20% Other

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Passion4Growth

$1,000+

$50 - $99 / hr

2 - 9

Breznik, Bulgaria

Ability to deliver

23.4/40.0

16.6/20 Reviews

2.8/10 Clients & Experience

4/10 Market Presence

Service focus

50% Sales Outsourcing

50% Other

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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

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Zadarma

Undisclosed

Undisclosed

50 - 249

Burgas, Bulgaria

Ability to deliver

20.2/40.0

13.8/20 Reviews

0/10 Clients & Experience

6.4/10 Market Presence

Service focus

100% Call Center Services

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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

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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

20% Call Center Services

80% Other

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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

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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

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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
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
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

25% Call Center Services

75% Other

View Profile Visit Website
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

20% Sales Outsourcing

80% Other

View Profile Visit Website
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

20% Call Center Services

80% 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
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
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
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
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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