Company lists · Data verified August 2026

Top 25 Application security testing companies based in Poland

Name: Application security testing companies based in Poland
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 application security testing companies headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 1,532 professional contacts across them, including 467 with verified work emails and 11 with mobile numbers. Warsaw is the largest hub.

This list covers application security testing companies headquartered in Poland, 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

1,532Contacts tracked

467Verified emails

11Mobile numbers

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The 25 largest application security testing companies based in Poland

Ranked by team size

Top 25 of 54 application security testing companies based in Poland, 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	A1qa	Warsaw	1,001-5,000	972	247
2	Soflab Technology	Katowice	51-200	135	91
3	Securitum	Krakow	51-200	48	7
4	niebezpiecznik.pl	Krakow	11-50	48	6
5	4prime IT Security	Warszawa	51-200	32	18
6	Securing	Krakow	11-50	25	21
7	Doyensec	Warsaw	11-50	22	16
8	AFINE	Warszawa	11-50	19	4
9	Inseqr	Warszawa	11-50	15	7
10	Aegis Security	Warszawa	11-50	13	6
11	Eurosoc	Gdynia	11-50	13	6
12	EFIGO	Katowice	1-10	12	8
13	Logicaltrust	Wroclaw	11-50	7	6
14	Unshade	Poznan	1-10	6	2
15	Immunity Systems	Warszawa	11-50	5	4
16	redteam.pl	Warszawa	1-10	5	4
17	IT Auditor Sp. Z O. O	Lodz	1-10	5	2
18	Berezha Security Group	Krakow	11-50	5	1
19	Bezpieczny KOD	Warsaw	1-10	4	3
20	1strike.io	Warsaw	11-50	2	2
21	Cyberforces	Wroclaw	51-200	2	1
22	dsecure.me	Wroclaw	1-10	2	1
23	Cybertrinity	Poznan	1-10	2	1
24	Zigrin Security	Poznan Wielkopolska	1-10	2	1
25	Trafford IT	Warszawa	51-200	1	1

Showing 25 of 54 application security testing companies based in Poland

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Application security testing companies based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarsawLargest hub · 10 HQs

11Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Application security testing companies by metro

Metro	Companies
Application security testing companies in Warsaw	10
Application security testing companies in Warszawa	9
Application security testing companies in Krakow	7
Application security testing companies in Wroclaw	6
Application security testing companies in Poznan	3
Application security testing companies in Lublin	2
Application security testing companies in Katowice	2

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 Poland.
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; 2 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 Poland?

There are 54 application security testing companies headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

A1qa, headquartered in Warsaw, tops this list with the largest team on record.

Which city has the most application security testing companies?

Warsaw leads with 10 headquartered companies, followed by Warszawa (9) and Krakow (7).

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 467 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.