Company lists · Data verified August 2026

Top 16 Defense cybersecurity companies based in Czechia

Name: Defense cybersecurity companies based in Czechia
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 defense cybersecurity companies headquartered in Czechia (RevenueBase, August 2026). RevenueBase tracks 244 professional contacts across them, including 103 with verified work emails and 4 with mobile numbers. Prague is the largest hub.

This list covers defense cybersecurity companies headquartered in Czechia, 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

244Contacts tracked

103Verified emails

4Mobile numbers

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The 16 largest defense cybersecurity companies based in Czechia

Ranked by team size

Top 16 of 39 defense cybersecurity companies based in Czechia, 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	Corpus Solutions A.S	Praha	51-200	69	53
2	Mycom Solutions, S.R.O	n/a	11-50	14	10
3	Freedivision	n/a	11-50	13	8
4	Exterra Services S.R.O	n/a	1-10	9	5
5	Sec4good	Prague	1-10	7	5
6	Insighti	Praha	11-50	5	4
7	Sonpo, A.S	n/a	1-10	4	4
8	Asecpro S.R.O	Prague	1-10	4	2
9	Sodat Technologies A.S	Praha	11-50	4	1
10	Ares Cyber Defense	Prague	1-10	3	3
11	Securu	Prague	11-50	3	2
12	Blindspot Technologies	Prague	11-50	3	1
13	Pg-Sec S.R.O	Praha	1-10	2	1
14	Cyberyg	Prague	1-10	1	1
15	Rolken	Prague	1-10	1	1
16	Cyberpope	Prague	1-10	1	1

Showing 16 of 39 defense cybersecurity companies based in Czechia

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Defense cybersecurity companies based in Czechia at a glance

As of Aug 28, 2026

1-10Median size (employees)

PragueLargest hub · 17 HQs

4Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Defense cybersecurity companies by metro

Metro	Companies
Defense cybersecurity companies in Prague	17
Defense cybersecurity companies in Praha	9
Defense cybersecurity companies in Brno	2
Defense cybersecurity companies in Jindrichuv Hradec	1
Defense cybersecurity companies in Teplice	1
Defense cybersecurity companies in Nusle	1
Defense cybersecurity companies in Liberec	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 “defense cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Czechia.
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 defense cybersecurity companies are there based in Czechia?

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

What is the largest company on this list?

Corpus Solutions A.S, headquartered in Praha, tops this list with the largest team on record.

Which city has the most defense cybersecurity companies?

Prague leads with 17 headquartered companies, followed by Praha (9) and Brno (2).

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 103 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.