Company lists · Data verified August 2026

Top 17 Cybersecurity audit companies based in Czechia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 42 companies tracked

There are 42 cybersecurity audit companies headquartered in Czechia (RevenueBase, August 2026). RevenueBase tracks 260 professional contacts across them, including 112 with verified work emails and 4 with mobile numbers. Prague is the largest hub.

This list covers cybersecurity audit 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.

42Companies

260Contacts tracked

112Verified emails

4Mobile numbers

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The 17 largest cybersecurity audit companies based in Czechia

Ranked by team size

Top 17 of 42 cybersecurity audit 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	Offensive Security Manager	Prague	11-50	14	1
3	Alphaserver	Prague	11-50	13	10
4	Cyber Rangers	Kralupy Nad Vltavou	1-10	13	8
5	Trusted Network Solutions	Brno	11-50	11	6
6	Sec4good	Prague	1-10	7	5
7	Blue Partners S.R.O	n/a	11-50	5	5
8	Insighti	Praha	11-50	5	4
9	Revolution IT	Prague	11-50	5	2
10	Sonpo, A.S	n/a	1-10	4	4
11	Ares Cyber Defense	Prague	1-10	3	3
12	Securu	Prague	11-50	3	2
13	Cyber Security Tech	n/a	11-50	3	1
14	Blindspot Technologies	Prague	11-50	3	1
15	Pg-Sec S.R.O	Praha	1-10	2	1
16	Data Security Services S.R.O	n/a	1-10	1	1
17	Rolken	Prague	1-10	1	1

Showing 17 of 42 cybersecurity audit companies based in Czechia

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Cybersecurity audit companies based in Czechia at a glance

As of Aug 28, 2026

1-10Median size (employees)

PragueLargest hub · 22 HQs

4Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cybersecurity audit companies by metro

Metro	Companies
Cybersecurity audit companies in Prague	22
Cybersecurity audit companies in Praha	6
Cybersecurity audit companies in Brno	2
Cybersecurity audit companies in Teplice	1
Cybersecurity audit companies in Kralupy Nad Vltavou	1
Cybersecurity audit companies in Liberec	1
Cybersecurity audit companies in Benatky Nad Jizerou	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 audit 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 cybersecurity audit companies are there based in Czechia?

There are 42 cybersecurity audit 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 cybersecurity audit companies?

Prague leads with 22 headquartered companies, followed by Praha (6) 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 112 verified decision-maker contacts tracked across these 42 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.