Company lists · Data verified August 2026

Top 15 Cybersecurity defense companies based in Bulgaria

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 39 companies tracked

There are 39 cybersecurity defense companies headquartered in Bulgaria (RevenueBase, August 2026). RevenueBase tracks 202 professional contacts across them, including 83 with verified work emails and 7 with mobile numbers. Sofia is the largest hub.

This list covers cybersecurity defense companies 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.

39Companies

202Contacts tracked

83Verified emails

7Mobile numbers

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The 15 largest cybersecurity defense companies based in Bulgaria

Ranked by team size

Top 15 of 39 cybersecurity defense companies 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	Dpway S.R.L	Sofia	51-200	39	24
2	Amatas	Sofia	11-50	24	13
3	Socyber	Sofia	11-50	20	13
4	Hades Defense Systems	Sofia City	51-200	14	1
5	Centio Cybersecurity	n/a	11-50	12	9
6	Sunwell Solutions LTD	Sofia	1-10	12	4
7	Akat Technologies	Sofia	1-10	10	4
8	Antivirus BG	Plovdiv	11-50	4	3
9	Secragon	Varna	1-10	4	2
10	3cyber-Sec LTD	Varna	1-10	3	3
11	Baseline	Sofia	11-50	3	2
12	Priorityzero	Sofia	11-50	2	2
13	Gatelink Ltd. Bulgaria	Sofia City	1-10	1	1
14	Lambda BIT	Plovdiv	1-10	1	1
15	Infosec Consult	Varna	1-10	1	1

Showing 15 of 39 cybersecurity defense companies based in Bulgaria

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Cybersecurity defense companies based in Bulgaria at a glance

As of Aug 28, 2026

1-10Median size (employees)

SofiaLargest hub · 20 HQs

7Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cybersecurity defense companies by metro

Metro	Companies
Cybersecurity defense companies in Sofia	20
Cybersecurity defense companies in Varna	4
Cybersecurity defense companies in Plovdiv	3
Cybersecurity defense companies in Sofia City	3
Cybersecurity defense companies in Sofia-City	1
Cybersecurity defense companies in Sf	1
Cybersecurity defense companies in Burgas	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 defense 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; 1 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 defense companies are there based in Bulgaria?

There are 39 cybersecurity defense companies headquartered in Bulgaria as of August 2026 (RevenueBase).

What is the largest company on this list?

Dpway S.R.L, headquartered in Sofia, tops this list with the largest team on record.

Which city has the most cybersecurity defense companies?

Sofia leads with 20 headquartered companies, followed by Varna (4) and Plovdiv (3).

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 83 verified decision-maker contacts tracked across these 39 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.