Company lists · Data verified August 2026
Top 11 Application security testing companies based in Czechia
There are 26 application security testing companies headquartered in Czechia (RevenueBase, August 2026). RevenueBase tracks 171 professional contacts across them, including 75 with verified work emails and 6 with mobile numbers. Prague is the largest hub.
This list covers application security testing 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.
The 11 largest application security testing companies based in Czechia
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Integra Emea | 30 |
| 2 |  Alphaserver | 10 |
| 3 |  Cyber Rangers | 8 |
| 4 |  Trusted Network Solutions | 6 |
| 5 |  Validato | 4 |
| 6 |  Blue Partners S.R.O | 5 |
| 7 |  HS Technology Inc., Odštěpný Závod | 4 |
| 8 |  Sonpo, A.S | 4 |
| 9 |  ALP Security, S.R.O | 2 |
| 10 |  Sysnetshield | 1 |
| 11 |  Rolken | 1 |
Showing 11 of 26 application security testing companies based in Czechia
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Application security testing companies based in Czechia at a glance
As of Aug 28, 2026Companies by employee count
Application security testing companies by metro
| Metro | Companies |
|---|---|
| Application security testing companies in Prague | 10 |
| Application security testing companies in Praha | 4 |
| Application security testing companies in Brno | 3 |
| Application security testing companies in Moravia | 1 |
| Application security testing companies in Teplice | 1 |
| Application security testing companies in Kralupy Nad Vltavou | 1 |
| Application security testing 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 “application security testing 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; 1 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 application security testing companies are there based in Czechia?
There are 26 application security testing companies headquartered in Czechia as of August 2026 (RevenueBase).
What is the largest company on this list?
Integra Emea, headquartered in Brno, tops this list with the largest team on record.
Which city has the most application security testing companies?
Prague leads with 10 headquartered companies, followed by Praha (4) 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 75 verified decision-maker contacts tracked across these 26 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.
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