Company lists · Data verified August 2026

Top 21 Cybersecurity engineers based in Czechia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 54 companies tracked

There are 54 cybersecurity engineers headquartered in Czechia (RevenueBase, August 2026). RevenueBase tracks 359 professional contacts across them, including 181 with verified work emails and 6 with mobile numbers. Prague is the largest hub.

This list covers cybersecurity engineers 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.

54Companies

359Contacts tracked

181Verified emails

6Mobile numbers

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The 21 largest cybersecurity engineers based in Czechia

Ranked by team size

Top 21 of 54 cybersecurity engineers 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	Greycortex	Brno	11-50	51	38
3	Compunet S.R.O	n/a	11-50	28	20
4	Alphaserver	Prague	11-50	13	10
5	Cyber Rangers	Kralupy Nad Vltavou	1-10	13	8
6	Trusted Network Solutions	Brno	11-50	11	6
7	Exterra Services S.R.O	n/a	1-10	9	5
8	Sec4good	Prague	1-10	7	5
9	Blue Partners S.R.O	n/a	11-50	5	5
10	Insighti	Praha	11-50	5	4
11	HS Technology Inc., Odštěpný Závod	Plzen	1-10	5	4
12	Sonpo, A.S	n/a	1-10	4	4
13	Asecpro S.R.O	Prague	1-10	4	2
14	Ares Cyber Defense	Prague	1-10	3	3
15	Securu	Prague	11-50	3	2
16	Cyber Security Tech	n/a	11-50	3	1
17	Blindspot Technologies	Prague	11-50	3	1
18	Extoom	Prague	1-10	2	2
19	Pg-Sec S.R.O	Praha	1-10	2	1
20	Cyberyg	Prague	1-10	1	1
21	Rolken	Prague	1-10	1	1

Showing 21 of 54 cybersecurity engineers based in Czechia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 181 reachable decision-makers.

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Cybersecurity engineers based in Czechia at a glance

As of Aug 28, 2026

1-10Median size (employees)

PragueLargest hub · 26 HQs

6Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Cybersecurity engineers by metro

Metro	Companies
Cybersecurity engineers in Prague	26
Cybersecurity engineers in Praha	10
Cybersecurity engineers in Brno	4
Cybersecurity engineers in Teplice	1
Cybersecurity engineers in Kralupy Nad Vltavou	1
Cybersecurity engineers in Liberec	1
Cybersecurity engineers in Plzen	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 engineers”, 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 engineers are there based in Czechia?

There are 54 cybersecurity engineers 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 engineers?

Prague leads with 26 headquartered companies, followed by Praha (10) and Brno (4).

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 181 verified decision-maker contacts tracked across these 54 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.