Top 20 Back Office BPO Services in Bulgaria
The Best of December 2025Looking for a top non-voice BPO service provider in Bulgaria?
Business process outsourcing (BPO) is growing globally, with a growth rate of about 4%. Back office BPO services make it easier for businesses to tackle core back office activities such as accounting or record maintenance while prioritizing core business processes and operations.
To assist you in your search for a partner, we’ve compiled this list of the top back office BPO companies in Bulgaria. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Bulgaria Back Office BPO Firms
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1Undisclosed250 - 999 employeesSofia, BulgariaPontica Solutions is a Sofia, Bulgaria-based Customer Service Outsourcing company. Established in 2015, the midsize team offers Customer Service Outsourcing, Back Office Outsourcing, IT staff augmentation, AI Consulting, and more.Read More
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2$25,000+250 - 999 employeesVarna, BulgariaRead More
Flat Rock Technology is a development agency headquartered in London, with an office in Varna, Bulgaria. Since 2008, their team of 88 has been specializing in custom software development, mobile app development, UX/UI design, and more for mainly midmarket-size clients. They primarily serve clients in the IT, consumer products & services and media industries.
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AudiocodesIndustries
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3$1,000+50 - 249 employeesSofia, BulgariaMarKam Solutions is a call center company. Their midsize team is in Sofia, Bulgaria and offers Call Center Services, Customer Service Outsourcing, Sales Outsourcing, IT managed services, and more. The agency was established in 2021.Read More
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4$5,000+50 - 249 employeesSofia, BulgariaRead More
Mercatus is a boutique BPO and ITO service and solution provider from Sofia, Bulgaria founded in 2018. With a team of about 20 employees, they offer their clientele voice services, business consulting, IT staff augmentation, back-office services, and more.
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J2 GLobalIndustries
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5$1,000+10 - 49 employeesSofia, BulgariaRead More
Established in 2005, Infosource is a non-voice bpo/back office services company. Their small team is located in Sofia, Bulgaria and focuses on non-voice bpo/back office services and HR services.
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6Undisclosed50 - 249 employeesSofia, BulgariaRead More
Established in 2009, CXG Business Process Outsourcing is a midsize answering service company. Their services include voice services, non-voice bpo/back office services, and HR services. The company is located in Sofia, Bulgaria.
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7$5,000+250 - 999 employeesBurgas, BulgariaRead More
Callboxs is a business consulting company. Their midsize team is headquartered in Burgas, Bulgaria. The company provides business consulting, direct marketing, voice services, non-voice bpo/back office services, and more.
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8$5,000+10 - 49 employeesSofia, BulgariaRead More
MENA Software was founded in 2012 in Sofia, Bulgaria. It now has 21 employees providing services in blockchain, non-voice BPO/back office services, and BI & big data consulting & SI.They mainly work in the information technology, business services, and financial services industries.
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StanVisionIndustries
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9$1,000+50 - 249 employeesСофия, BulgariaProcessFlows, a Back Office Outsourcing company, focus on Back Office Outsourcing and Custom Software Development. They were launched in 1987.Read More
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10Undisclosed2 - 9 employeesSofia, BulgariaFlow Logic is a Back Office Outsourcing company. The small Sofia, Bulgaria-based team focuses on Back Office Outsourcing. The firm was launched in 2020.Read More
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11$1,000+250 - 999 employeesPlovdiv, BulgariaRead More
OWORKERS is a midsize Back Office Outsourcing company. They offer Back Office Outsourcing, Finance & Accounting Outsourcing (FAO), and Customer Service Outsourcing and were launched in 2012.
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BACK MARKET, Inc.Industries
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12$5,000+50 - 249 employeesSofia, BulgariaAppGreat is a midsize user experience company. They specialize in UX/UI Design and Cybersecurity and were founded in 2019.Read More
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13$1,000+10 - 49 employeesSofia, BulgariaEstablished 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
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14$50,000+1,000 - 9,999 employeesSofia, BulgariaSixty 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
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15$1,000+2 - 9 employeesVarna, BulgariaBack Office Outsourcing company Remotek Ltd was founded in 2008. The company offers Back Office Outsourcing.Read More
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16$10,000+250 - 999 employeesSofia, BulgariaSoftware Group is an IT strategy consulting company launched in 2009. Their team offers IT strategy consulting and Back Office Outsourcing.Read More
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17$5,000+10 - 49 employeesSofia, BulgariaACS Bulgaria is a Customer Service Outsourcing company launched in 2022. The agency provides Customer Service Outsourcing and Staffing.Read More
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18$1,000+250 - 999 employeesVarna, BulgariaRead More
Customer Umbrella is a non-voice bpo/back office services and call center service in Varna, Bulgaria. The midsize firm was launched in 2010. Their team offers non-voice bpo/back office services and voice services.
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19$10,000+2 - 9 employeesSofia, BulgariaIn Sofia, Bulgaria, DSI is a small custom software development company. Their services include Custom Software Development and Back Office Outsourcing.Read More
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20Undisclosed2 - 9 employeesSofia, BulgariaSmall web design agency Karma Consult, is in Nice, France and Sofia, Bulgaria. Their services include Web Design and Web Development.Read More
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21Undisclosed2 - 9 employeesSofia, BulgariaSocial media marketing agency Hartona Ltd. Specializes in Social Media Marketing and Graphic Design. They were founded in 2021.Read More
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22$1,000+2 - 9 employeesPlovdiv, BulgariaSEO services firm Purified Marketing is located in Plovdiv, Bulgaria. They offer Search Engine Optimization and Back Office Outsourcing and were founded in 2013.Read More
Clients
Google AdWords Certified Partner
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