Company lists · Data verified August 2026

Top 17 Cybersecurity and defense software companies based in Czechia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 37 companies tracked

There are 37 cybersecurity and defense software companies headquartered in Czechia (RevenueBase, August 2026). RevenueBase tracks 284 professional contacts across them, including 119 with verified work emails and 6 with mobile numbers. Prague is the largest hub.

This list covers cybersecurity and defense software 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.

37Companies

284Contacts tracked

119Verified emails

6Mobile numbers

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The 17 largest cybersecurity and defense software companies based in Czechia

Ranked by team size

Top 17 of 37 cybersecurity and defense software 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	Eset Česká Republika	Praha	51-200	102	71
2	Teskalabs	n/a	11-50	20	15
3	Development777	Moravia	51-200	20	1
4	Freedivision	n/a	11-50	13	8
5	Insighti	Praha	11-50	5	4
6	Bits4s	Pardubice	1-10	4	4
7	Sonpo, A.S	n/a	1-10	4	4
8	Talkey Chráníme Vaši Digitální Bezpečnost	Ostrava	11-50	4	2
9	Sodat Technologies A.S	Praha	11-50	4	1
10	Trade Fides, A.S	Brno	201-500	3	1
11	Zymestic Solutions A.S	Prague	51-200	2	2
12	Pg-Sec S.R.O	Praha	1-10	2	1
13	Rolken	Prague	1-10	1	1
14	Cyberyg	Prague	1-10	1	1
15	Cyberpope	Prague	1-10	1	1
16	Valvera	Ceska Lipa	1-10	1	1
17	Cyberee Stay Safe	Olomouc	1-10	1	1

Showing 17 of 37 cybersecurity and defense software companies based in Czechia

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Cybersecurity and defense software companies based in Czechia at a glance

As of Aug 28, 2026

1-10Median size (employees)

PragueLargest hub · 10 HQs

6Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cybersecurity and defense software companies by metro

Metro	Companies
Cybersecurity and defense software companies in Prague	10
Cybersecurity and defense software companies in Praha	7
Cybersecurity and defense software companies in Brno	3
Cybersecurity and defense software companies in Olomouc	2
Cybersecurity and defense software companies in Jindrichuv Hradec	1
Cybersecurity and defense software companies in Moravia	1
Cybersecurity and defense software companies in Teplice	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 and defense software 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 and defense software companies are there based in Czechia?

There are 37 cybersecurity and defense software companies headquartered in Czechia as of August 2026 (RevenueBase).

What is the largest company on this list?

Eset Česká Republika, headquartered in Praha, tops this list with the largest team on record.

Which city has the most cybersecurity and defense software companies?

Prague leads with 10 headquartered companies, followed by Praha (7) and Brno (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 119 verified decision-maker contacts tracked across these 37 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.