Company lists · Data verified August 2026

Top 17 Cybersecurity software companies based in Czechia

Name: Cybersecurity 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 31 companies tracked

There are 31 cybersecurity software companies headquartered in Czechia (RevenueBase, August 2026). RevenueBase tracks 1,088 professional contacts across them, including 550 with verified work emails and 48 with mobile numbers. Prague is the largest hub.

This list covers cybersecurity 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.

31Companies

1,088Contacts tracked

550Verified emails

48Mobile numbers

Unlock all 31 companies Free account · no credit card · 2 minutes

The 17 largest cybersecurity software companies based in Czechia

Ranked by team size

Top 17 of 31 cybersecurity 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	AVAST	n/a	1,001-5,000	627	290
2	Whalebone	Brno	51-200	168	110
3	Eset Česká Republika	Praha	51-200	102	71
4	Greycortex	Brno	11-50	51	38
5	Teskalabs	n/a	11-50	20	15
6	Freedivision	n/a	11-50	13	8
7	Bits4s	Pardubice	1-10	4	4
8	Sonpo, A.S	n/a	1-10	4	4
9	Sodat Technologies A.S	Praha	11-50	4	1
10	Blindspot Technologies	Prague	11-50	3	1
11	Zymestic Solutions A.S	Prague	51-200	2	2
12	Pg-Sec S.R.O	Praha	1-10	2	1
13	We Grow Together Safetica	n/a	51-200	1	1
14	Cyberyg	Prague	1-10	1	1
15	Rolken	Prague	1-10	1	1
16	Cyberpope	Prague	1-10	1	1
17	Valvera	Ceska Lipa	1-10	1	1

Showing 17 of 31 cybersecurity software companies based in Czechia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 550 reachable decision-makers.

Free account · no credit card

See all 31 companies

Cybersecurity software companies based in Czechia at a glance

As of Aug 28, 2026

11-50Median size (employees)

PragueLargest hub · 9 HQs

48Contacts 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 software companies by metro

Metro	Companies
Cybersecurity software companies in Prague	9
Cybersecurity software companies in Praha	6
Cybersecurity software companies in Brno	4
Cybersecurity software companies in Teplice	1
Cybersecurity software companies in Ceska Lipa	1
Cybersecurity software companies in Nusle	1
Cybersecurity software 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 “cybersecurity 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 software companies are there based in Czechia?

There are 31 cybersecurity software companies headquartered in Czechia as of August 2026 (RevenueBase).

What is the largest company on this list?

AVAST, headquartered in Czechia, tops this list with the largest team on record.

Which city has the most cybersecurity software companies?

Prague leads with 9 headquartered companies, followed by Praha (6) 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 550 verified decision-maker contacts tracked across these 31 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.

Ready to reach these companies? Verified emails and direct dials for all 31 cybersecurity software companies based in Czechia. Start with a free account, no credit card.

Get the full list

Related lists

Cybersecurity software companies by geography

Browse the directory

Browse: Companies home · All Czechia lists · All Cybersecurity software companies lists · New lists

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.