Company lists · Data verified August 2026

Top 18 Cybersecurity firms based in Bulgaria

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 73 companies tracked

There are 73 cybersecurity firms headquartered in Bulgaria (RevenueBase, August 2026). RevenueBase tracks 1,047 professional contacts across them, including 500 with verified work emails and 82 with mobile numbers. Sofia is the largest hub.

This list covers cybersecurity 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.

73Companies

1,047Contacts tracked

500Verified emails

82Mobile numbers

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The 18 largest cybersecurity firms based in Bulgaria

Ranked by team size

Top 18 of 73 cybersecurity 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	IC Consult	Sofia	501-1,000	689	400
2	Dpway S.R.L	Sofia	51-200	39	24
3	Amatas	Sofia	11-50	24	13
4	Socyber	Sofia	11-50	20	13
5	Centio Cybersecurity	n/a	11-50	12	9
6	Blueberry Software	Sofia	11-50	12	8
7	Sunwell Solutions LTD	Sofia	1-10	12	4
8	Akat Technologies	Sofia	1-10	10	4
9	Tesseract Intelligence	Sofia City	11-50	9	5
10	Киберклуб Cyberclub	Sofia	51-200	6	1
11	Antivirus BG	Plovdiv	11-50	4	3
12	Secragon	Varna	1-10	4	2
13	3cyber-Sec LTD	Varna	1-10	3	3
14	Baseline	Sofia	11-50	3	2
15	Priorityzero	Sofia	11-50	2	2
16	Gatelink Ltd. Bulgaria	Sofia City	1-10	1	1
17	Lambda BIT	Plovdiv	1-10	1	1
18	Infosec Consult	Varna	1-10	1	1

Showing 18 of 73 cybersecurity firms based in Bulgaria

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Cybersecurity firms based in Bulgaria at a glance

As of Aug 28, 2026

1-10Median size (employees)

SofiaLargest hub · 42 HQs

82Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity firms by metro

Metro	Companies
Cybersecurity firms in Sofia	42
Cybersecurity firms in Varna	8
Cybersecurity firms in Sofia City	5
Cybersecurity firms in Plovdiv	4
Cybersecurity firms in Burgas	3
Cybersecurity firms in Grad	1
Cybersecurity firms in Sf	1

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 “cybersecurity 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; 2 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 cybersecurity firms are there based in Bulgaria?

There are 73 cybersecurity firms headquartered in Bulgaria as of August 2026 (RevenueBase).

What is the largest company on this list?

IC Consult, headquartered in Sofia, tops this list with the largest team on record.

Which city has the most cybersecurity firms?

Sofia leads with 42 headquartered companies, followed by Varna (8) and Sofia City (5).

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 500 verified decision-maker contacts tracked across these 73 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.