Company lists · Data verified August 2026

Top 25 Cybersecurity firms based in Poland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 259 companies tracked

There are 259 cybersecurity firms headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 3,363 professional contacts across them, including 1,297 with verified work emails and 134 with mobile numbers. Warszawa is the largest hub.

This list covers cybersecurity firms 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.

259Companies

3,363Contacts tracked

1,297Verified emails

134Mobile numbers

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The 25 largest cybersecurity firms based in Poland

Ranked by team size

Top 25 of 259 cybersecurity firms 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	Irdeto	Wroclaw	1,001-5,000	1,062	544
2	DAGMA	Katowice	201-500	192	6
3	Exclusive Networks Poland	Cracow	201-500	176	75
4	Integrity Partners	Grodzisk Mazowiecki	51-200	120	87
5	ISSP	Wroclaw	51-200	80	50
6	Securitum	Krakow	51-200	48	7
7	STM Cyber	Warsaw	51-200	45	29
8	Securevisio	Rzeszow	51-200	40	22
9	4prime IT Security	Warszawa	51-200	32	18
10	Polski Holding Obronny Sp. Z O.O	Wola	501-1,000	32	9
11	Softinet	Warszawa	11-50	27	15
12	Maxto ITS	Modlniczka	11-50	27	11
13	Soc360 Cybersecurity	Warszawa	11-50	26	16
14	Securing	Krakow	11-50	25	21
15	Comcert SA	Warszawa	11-50	23	16
16	Doyensec	Warsaw	11-50	22	16
17	Squaretec	Bydgoszcz	11-50	20	12
18	Cdex Cyber Defence Exercise Platform	Poznan	11-50	20	10
19	Forsec SA	Katowice	11-50	19	14
20	AFINE	Warszawa	11-50	19	4
21	Cyber360	Warszawa	11-50	17	9
22	Eset Polska	Krakow	51-200	16	10
23	Exon Computer Systems	Torun	51-200	14	12
24	Crossword Cybersecurity PLC	Krakow	51-200	14	1
25	Aegis Security	Warszawa	11-50	13	6

Showing 25 of 259 cybersecurity firms based in Poland

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Cybersecurity firms based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarszawaLargest hub · 72 HQs

134Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

131

11-50

103

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity firms by metro

Metro	Companies
Cybersecurity firms in Warszawa	72
Cybersecurity firms in Warsaw	33
Cybersecurity firms in Wroclaw	19
Cybersecurity firms in Krakow	16
Cybersecurity firms in Poznan	13
Cybersecurity firms in Katowice	9
Cybersecurity firms in Gdansk	8

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 firms”, 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; 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 cybersecurity firms are there based in Poland?

There are 259 cybersecurity firms headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

Irdeto, headquartered in Wroclaw, tops this list with the largest team on record.

Which city has the most cybersecurity firms?

Warszawa leads with 72 headquartered companies, followed by Warsaw (33) and Wroclaw (19).

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 1,297 verified decision-maker contacts tracked across these 259 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.