Company lists · Data verified August 2026

Top 17 Business consulting firms based in Bulgaria

Name: Business consulting firms based in Bulgaria
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 156 companies tracked

There are 156 business consulting firms headquartered in Bulgaria (RevenueBase, August 2026). RevenueBase tracks 567 professional contacts across them, including 92 with verified work emails and 22 with mobile numbers. Sofia is the largest hub.

This list covers business consulting firms headquartered in Bulgaria, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

156Companies

567Contacts tracked

92Verified emails

22Mobile numbers

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The 17 largest business consulting firms based in Bulgaria

Ranked by team size

Top 17 of 156 business consulting firms based in Bulgaria, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Protiviti Bulgaria	Sofia	n/a	58	16
2	Epidosis	Sofia	11-50	33	12
3	Frenus Gmbh	Sofia	11-50	22	2
4	Bedor Excem	Sofia	11-50	20	5
5	Relean EN	Sofia	11-50	17	5
6	Extreme Consulting	n/a	11-50	16	13
7	Savvy Business Sltd	n/a	11-50	11	1
8	Simbula	Sofia	11-50	10	7
9	Consult Plus	Sofia	11-50	7	3
10	Velinov & Partners Consulting House	Sofia	11-50	6	2
11	Azuken LTD	Sofia City	11-50	5	3
12	Xfigurefinance	Sofia	1-10	5	3
13	Business Effect	Sofia	1-10	5	2
14	Book Keeper	Sofia City	11-50	5	1
15	BIG Dreams Group	Sofia	1-10	4	2
16	Advanced-Processes	Varna	1-10	2	1
17	Delev Consult LTD	Sofia	1-10	1	1

Showing 17 of 156 business consulting firms based in Bulgaria

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Business consulting firms based in Bulgaria at a glance

As of Aug 28, 2026

1-10Median size (employees)

SofiaLargest hub · 102 HQs

22Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

119

11-50

51-200

201-500

501-1,000

10001+

Business consulting firms by metro

Metro	Companies
Business consulting firms in Sofia	102
Business consulting firms in Sofia City	9
Business consulting firms in Varna	7
Business consulting firms in Plovdiv	6
Business consulting firms in Burgas	3
Business consulting firms in Bulgaria	2
Business consulting firms in Sofiia	2

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 consulting firms”, 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

How many business consulting firms are there based in Bulgaria?

There are 156 business consulting firms headquartered in Bulgaria as of August 2026 (RevenueBase).

What is the largest company on this list?

Protiviti Bulgaria, headquartered in Sofia, tops this list with the largest team on record.

Which city has the most business consulting firms?

Sofia leads with 102 headquartered companies, followed by Sofia City (9) and Varna (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 92 verified decision-maker contacts tracked across these 156 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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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.