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Company lists · Data verified August 2026

Top 10 Business process outsourcing companies based in Bulgaria

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 31 companies tracked

This directory lists 31 business process outsourcing companies based in Bulgaria, with business contact data for 1,151 contacts and 105 email addresses. As of August 2026, Sofia is the single most-represented city among the companies on the list.

Business process outsourcing companies provide outsourced business functions, such as customer support, finance, human resources, data processing, and administrative operations, for other organizations. This list covers companies that provide business process outsourcing services to other organizations, including outsourced operational, administrative, and customer-facing functions. Ranked by team size, largest first. Data current as of August 28, 2026.

31Companies
1,151Contacts tracked
105Verified emails
41Mobile numbers
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The 10 largest business process outsourcing companies based in Bulgaria

Ranked by team size
Top 10 of 31 business process outsourcing companies based in Bulgaria, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Sixty K LTD 60kPlovdiv1,001-5,0003962
2Publix LTDSofia51-2002221
3SB Accounting & ConsultingSofia51-2006017
4GMS BulgariaSofia51-2005923
5Telus International BulgariaSofia City1,001-5,0005128
6CXG Business Process OutsourcingSofia51-2005126
7Global Services Bulgaria JSCSofia51-200212
8Tomi RENSofia11-5072
9Simple Finance LTDSofia11-5053
10ACS BulgariaSofia11-5011

Showing 10 of 31 business process outsourcing companies based in Bulgaria

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Business process outsourcing companies based in Bulgaria at a glance

As of Aug 28, 2026
11-50Median size (employees)
SofiaLargest hub · 21 HQs
41Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
5
11-50
12
51-200
10
1,001-5,000
4

Business process outsourcing companies by metro

MetroCompanies
Business process outsourcing companies in Sofia21
Business process outsourcing companies in Sofia City2
Business process outsourcing companies in Burgas2
Business process outsourcing companies in Varna1
Business process outsourcing companies in Plovdiv1
Business process outsourcing companies in Petrich1

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “business process outsourcing companies”, with match quality audited by blind human judging, and headquartered in Bulgaria.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

What are business process outsourcing companies?

Business process outsourcing companies handle selected business functions for other organizations, including customer support, finance, human resources, data processing, and administration.

How many business process outsourcing companies are in this directory?

This directory includes 31 business process outsourcing companies based in Bulgaria.

Which city has the most business process outsourcing companies on the list?

Sofia is the single most-represented city among the companies on the list.

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Related lists

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.

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