Top Call Center Services & Voice Services in Sofia
-
Featured
What are Featured Providers?
$1,000+< $25 / hr250 - 999Serves Sofia, BulgariaServices provided
See all 26 projectsSimply 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.
$1,000+< $25 / hr1,000 - 9,999Serves Sofia, BulgariaServices provided
See all 81 projectsSupportYourApp is a premier provider of Contact Center Services, specializing in Customer Support Services, including Inbound and Outbound Call Center operations. The company is consistently praised for its high responsiveness, flexibility, and the ability to deliver 24/7 telephonic support. Across reviews, SupportYourApp receives positive feedback for its professionalism and commitment to efficient call handling, with no major areas for improvement noted by 100% of reviewers.
$1,000+< $25 / hr1,000 - 9,999Serves Sofia, BulgariaServices provided
See all 28 projectsHugo 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.
$1,000+< $25 / hr250 - 999Serves Sofia, BulgariaServices provided
See all 26 projectsSimply 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.
-
$1,000+< $25 / hr50 - 249Sofia, Bulgaria
Services provided
See all 9 projectsMarKam 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.
-
$5,000+< $25 / hr50 - 249Sofia, Bulgaria
Services provided
See all 22 projectsMercatus is a company specializing in Contact Center Services, providing Customer Support Services, Inbound Call Center, and Telephonic Support. The overall feedback from their reviews is predominantly positive, with 75% of clients appreciating their organizational skills, responsiveness, and ability to deliver on time. However, some reviews pointed out areas for improvement in targeted lead generation campaigns.
-
$25,000+Undisclosed1,000 - 9,999Sofia, Bulgaria
Services provided
See all 28 projectsMarketStar 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.
-
$5,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
Services provided
See all 15 projectsHypergen 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.
-
$1,000+$25 - $49 / hr50 - 249София, Bulgaria
Services provided
See all 1 projectsEuroccor 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.
-
$1,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
Services provided
See all 8 projectsLukanoff 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.
-
UndisclosedUndisclosed10 - 49Sofia, Bulgaria
Services provided
See all 2 projectsScale Rush is a lead generation and sales outsourcing company known for its effective custom pipelines and tailored outreach strategies. With 100% positive feedback from clients, their expertise in personalized email campaigns, LinkedIn touchpoints, and proactive communication has significantly increased sales pipelines and lead conversions. Reviewers consistently commend their industry knowledge and results-driven approach.
-
$10,000+Undisclosed2 - 9Sofia, Bulgaria
Services provided
See all 2 projectsPowerSellers 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.
-
UndisclosedUndisclosed50 - 249Sofia, Bulgaria
Services provided
See all 1 projectsCXG 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.
-
$1,000+< $25 / hr10 - 49Sofia, Bulgaria
Services provided
See all 2 projectsInfoSource 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.
-
UndisclosedUndisclosed1,000 - 9,999Sofia, Bulgaria
Services provided
MarketStar is a Sales Outsourcing company. Established in 1988, the firm is in Ogden, Utah and Dublin, Ireland. Their services include Sales Outsourcing and Customer Service Outsourcing.
Read more -
$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Services provided
Established in 2019, ODEON msc - A TTC brand is a Finance & Accounting Outsourcing (FAO) company. The team offers Finance & Accounting Outsourcing (FAO) and HR Consulting.
Read more -
UndisclosedUndisclosed2 - 9Sofia, Bulgaria
Services provided
Expand Acquisition is an Email Marketing and Sales Outsourcing company. They are based in Sofia, Bulgaria and have small team of experts. Their services include Email Marketing and Sales
Read more -
$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Services provided
Call center service Customer Care BG Ltd. Is located in Sofia, Bulgaria. Their services include Call Center Services.
Read more -
$50,000+< $25 / hr1,000 - 9,999Sofia, Bulgaria
Services provided
Sixty K Ltd is a large Customer Service Outsourcing company. Founded in 2008, the team focuses on Customer Service Outsourcing and Back Office Outsourcing.
Read more -
$1,000+Undisclosed50 - 249Sofia, Bulgaria
Services provided
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 -
$1,000+< $25 / hr50 - 249Sofia, Bulgaria
Services provided
Call center service Mellon Bulgaria was established in 2001. The midsize team provides Call Center Services and HR Outsourcing.
Read more -
$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
Euro Connect is a small phone answering service in Sofia, Bulgaria. The team offers Call Center Services and Customer Service Outsourcing.
Read more -
$1,000+$50 - $99 / hr2 - 9Breznik, Bulgaria
Services provided
See all 9 projectsPassion4Growth 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.
-
UndisclosedUndisclosed50 - 249Sofia, Bulgaria
Services provided
Social media marketing firm eTel Digital Agency was founded in 2001. The midsize team specializes in Social Media Marketing and Email Marketing.
Read more -
UndisclosedUndisclosed50 - 249Balsha, Bulgaria
Services provided
Latiane Ltd, a midsize telephone answering service, is in Balsha, Bulgaria. Their services include Call Center Services and Recruitment Process Outsourcing.
Read more -
$5,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
See all 1 projectsOrpheus 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.
-
$1,000+$25 - $49 / hr2 - 9Serdica, Bulgaria
Services provided
Logicall Bulgaria AD, an answering service company, was established in 2007. The company specializes in Call Center Services.
Read more -
$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
Alba Center, a small phone answering service, is headquartered in Sofia, Bulgaria. The team focuses on Call Center Services and Sales Outsourcing.
Read more -
$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
Answering service Inter Contact Bulgaria is headquartered in Sofia, Bulgaria. They focus on Call Center Services and were launched in 2006.
Read more -
$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
Callhalla, an answering service and Customer Service Outsourcing company, was established in 2014. The small team offers Call Center Services and Customer Service Outsourcing.
Read more
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
Tell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 10 Sofia Call Center Companies & Voice Services
-
$25,000+Undisclosed1,000 - 9,999Sofia, Bulgaria
Ability to deliver
32.7/40.016.2/20 Reviews9.7/10 Clients & Experience6.8/10 Market PresenceService focus
75% Sales Outsourcing25% Other -
$1,000+< $25 / hr50 - 249Sofia, Bulgaria
Ability to deliver
32.6/40.017.6/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Call Center Services20% Sales Outsourcing50% Other -
$5,000+< $25 / hr50 - 249Sofia, Bulgaria
Ability to deliver
32.3/40.016.8/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
10% Call Center Services20% Sales Outsourcing70% Other -
$5,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
Ability to deliver
25.4/40.016.6/20 Reviews3.7/10 Clients & Experience5.2/10 Market PresenceService focus
50% Sales Outsourcing50% Other -
$1,000+$25 - $49 / hr50 - 249София, Bulgaria
Ability to deliver
22.9/40.014.6/20 Reviews3/10 Clients & Experience5.3/10 Market PresenceService focus
65% Call Center Services10% Sales Outsourcing25% Other -
$1,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
Ability to deliver
28.4/40.016.4/20 Reviews8/10 Clients & Experience4/10 Market PresenceService focus
30% Sales Outsourcing70% Other -
UndisclosedUndisclosed10 - 49Sofia, Bulgaria
Ability to deliver
21.2/40.017.2/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
80% Sales Outsourcing20% Other -
$10,000+Undisclosed2 - 9Sofia, Bulgaria
Ability to deliver
20.4/40.016.4/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
15% Call Center Services60% Sales Outsourcing25% Other -
UndisclosedUndisclosed50 - 249Sofia, Bulgaria
Ability to deliver
25/40.016.2/20 Reviews3.9/10 Clients & Experience4.9/10 Market PresenceService focus
24% Call Center Services76% Other -
$1,000+< $25 / hr10 - 49Sofia, Bulgaria
Ability to deliver
25.2/40.014.8/20 Reviews5.5/10 Clients & Experience4.9/10 Market PresenceService focus
20% Call Center Services80% Other -
UndisclosedUndisclosed1,000 - 9,999Sofia, Bulgaria
Ability to deliver
5.8/40.00/20 Reviews0/10 Clients & Experience5.8/10 Market PresenceService focus
65% Sales Outsourcing35% Other -
$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Ability to deliver
8.2/40.00/20 Reviews3.6/10 Clients & Experience4.6/10 Market PresenceService focus
10% Call Center Services10% Sales Outsourcing80% Other -
UndisclosedUndisclosed2 - 9Sofia, Bulgaria
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
50% Sales Outsourcing50% Other -
$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Call Center Services -
$50,000+< $25 / hr1,000 - 9,999Sofia, Bulgaria
Ability to deliver
5.3/40.00/20 Reviews0/10 Clients & Experience5.3/10 Market PresenceService focus
10% Call Center Services90% Other -
$1,000+Undisclosed50 - 249Sofia, Bulgaria
Ability to deliver
5.3/40.00/20 Reviews0/10 Clients & Experience5.3/10 Market PresenceService focus
20% Call Center Services80% Other -
$1,000+< $25 / hr50 - 249Sofia, Bulgaria
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
25% Call Center Services75% Other -
$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
40% Call Center Services20% Sales Outsourcing40% Other -
$1,000+$50 - $99 / hr2 - 9Breznik, Bulgaria
Ability to deliver
23.4/40.016.6/20 Reviews2.8/10 Clients & Experience4/10 Market PresenceService focus
50% Sales Outsourcing50% Other -
UndisclosedUndisclosed50 - 249Sofia, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
20% Sales Outsourcing80% Other -
UndisclosedUndisclosed50 - 249Balsha, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
60% Call Center Services40% Other -
$5,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Ability to deliver
20.2/40.016.2/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
25% Call Center Services75% Other -
$1,000+$25 - $49 / hr2 - 9Serdica, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Call Center Services -
$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
50% Call Center Services25% Sales Outsourcing25% Other -
$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Call Center Services
Latest Call Centers Articles
See all articles![How to Build a Budget for Call Center Services [With Template] cover image](https://img.shgstatic.com/clutch-static-prod/image/resize/715x400/s3fs-public/article/ba3fb126c373d45b88403b0272fa9201.jpg)
How to Build a Budget for Call Center Services [With Template]
Call center costs can add up over time, so it’s important that companies establish a thorough budget plan before outsourcing.
