Company lists · Data verified August 2026

Top 25 Cybersecurity startups based in Czechia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 84 companies tracked

There are 84 cybersecurity startups headquartered in Czechia (RevenueBase, August 2026). RevenueBase tracks 974 professional contacts across them, including 523 with verified work emails and 22 with mobile numbers. Prague is the largest hub.

This list covers cybersecurity startups 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.

84Companies

974Contacts tracked

523Verified emails

22Mobile numbers

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The 25 largest cybersecurity startups based in Czechia

Ranked by team size

Top 25 of 84 cybersecurity startups 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	Whalebone	Brno	51-200	168	110
2	Trade Fides, A.S	Brno	201-500	124	64
3	Secureops	Sokolovska	51-200	108	47
4	Corpus Solutions A.S	Praha	51-200	69	53
5	Datalite, Spol. S R.O	Ceske Budejovice South Bohemia	51-200	56	42
6	Greycortex	Brno	11-50	51	38
7	Integra Emea	Brno	51-200	51	30
8	Compunet S.R.O	n/a	11-50	28	20
9	Teskalabs	n/a	11-50	20	15
10	Mycom Solutions, S.R.O	n/a	11-50	14	10
11	Freedivision	n/a	11-50	13	8
12	Axelum	Prague	11-50	13	7
13	Patron-It	Brno	11-50	11	9
14	Trusted Network Solutions	Brno	11-50	11	6
15	Sec4good	Prague	1-10	7	5
16	Ict-Group	Prague	11-50	7	4
17	Aceproit	Prague	1-10	6	5
18	Blue Partners S.R.O	n/a	11-50	5	5
19	Insighti	Praha	11-50	5	4
20	Bits4s	Pardubice	1-10	4	4
21	Sonpo, A.S	n/a	1-10	4	4
22	Cybersecurity Help S.R.O	Brno	11-50	4	3
23	Asecpro S.R.O	Prague	1-10	4	2
24	ALP Security, S.R.O	Prague	1-10	4	2
25	Sodat Technologies A.S	Praha	11-50	4	1

Showing 25 of 84 cybersecurity startups based in Czechia

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Cybersecurity startups based in Czechia at a glance

As of Aug 28, 2026

1-10Median size (employees)

PragueLargest hub · 36 HQs

22Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Cybersecurity startups by metro

Metro	Companies
Cybersecurity startups in Prague	36
Cybersecurity startups in Praha	13
Cybersecurity startups in Brno	10
Cybersecurity startups in Liberec	2
Cybersecurity startups in Olomouc	2
Cybersecurity startups in Teplice	1
Cybersecurity startups in Ostrava	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 startups”, 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 startups are there based in Czechia?

There are 84 cybersecurity startups headquartered in Czechia as of August 2026 (RevenueBase).

What is the largest company on this list?

Whalebone, headquartered in Brno, tops this list with the largest team on record.

Which city has the most cybersecurity startups?

Prague leads with 36 headquartered companies, followed by Praha (13) and Brno (10).

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 523 verified decision-maker contacts tracked across these 84 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.