Company lists · Data verified August 2026

Top 25 Defense cybersecurity companies based in Poland

Name: Defense cybersecurity companies based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 85 companies tracked

There are 85 defense cybersecurity companies headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 2,489 professional contacts across them, including 808 with verified work emails and 116 with mobile numbers. Warszawa is the largest hub.

This list covers defense cybersecurity 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.

85Companies

2,489Contacts tracked

808Verified emails

116Mobile numbers

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The 25 largest defense cybersecurity companies based in Poland

Ranked by team size

Top 25 of 85 defense cybersecurity 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	Irdeto	Wroclaw	1,001-5,000	1,062	544
2	Enigma SOI Sp. Z O.O	Warszawa	201-500	192	9
3	OBR CTM SA	Gdynia	201-500	133	1
4	ISSP	Wroclaw	51-200	80	50
5	Teldat Sp. Z O.O.Sp.K	Bydgoszcz	51-200	73	11
6	MCX Group	Warszawa	51-200	56	11
7	STM Cyber	Warsaw	51-200	45	29
8	Decent Cybersecurity	Lublin	11-50	40	2
9	4prime IT Security	Warszawa	51-200	32	18
10	Polski Holding Obronny Sp. Z O.O	Wola	501-1,000	32	9
11	Perceptus	Zielona Gora	11-50	30	10
12	Soc360 Cybersecurity	Warszawa	11-50	26	16
13	Cyber360	Warszawa	11-50	17	9
14	Seqred	Warszawa	11-50	17	9
15	Inseqr	Warszawa	11-50	15	7
16	Smartech IT	Bielany Wroclawskie	11-50	15	2
17	Crossword Cybersecurity PLC	Krakow	51-200	14	1
18	Aegis Security	Warszawa	11-50	13	6
19	Eurosoc	Gdynia	11-50	13	6
20	Sagenso	Rzeszow	11-50	12	4
21	bulletprove.com	Pulawy	11-50	10	6
22	Allnet Group	Miedzyrzec Podlaski	11-50	9	7
23	Matic SA	Warszawa	11-50	7	4
24	Diskus Polska	Wieliczka	11-50	6	3
25	Patronusec	Poznan	11-50	6	2

Showing 25 of 85 defense cybersecurity companies based in Poland

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Defense cybersecurity companies based in Poland at a glance

As of Aug 28, 2026

11-50Median size (employees)

WarszawaLargest hub · 28 HQs

116Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Defense cybersecurity companies by metro

Metro	Companies
Defense cybersecurity companies in Warszawa	28
Defense cybersecurity companies in Warsaw	6
Defense cybersecurity companies in Krakow	5
Defense cybersecurity companies in Wroclaw	5
Defense cybersecurity companies in Poznan	3
Defense cybersecurity companies in Katy Wroclawskie	2
Defense cybersecurity companies in Zielona Gora	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 “defense cybersecurity 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; 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 defense cybersecurity companies are there based in Poland?

There are 85 defense cybersecurity companies 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 defense cybersecurity companies?

Warszawa leads with 28 headquartered companies, followed by Warsaw (6) and Krakow (5).

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 808 verified decision-maker contacts tracked across these 85 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.