Company lists · Data verified August 2026

Top 25 Cybersecurity and defense software companies based in Poland

Name: Cybersecurity and defense software companies based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 59 companies tracked

There are 59 cybersecurity and defense software companies headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 2,180 professional contacts across them, including 817 with verified work emails and 110 with mobile numbers. Warszawa is the largest hub.

This list covers cybersecurity and defense software 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.

59Companies

2,180Contacts tracked

817Verified emails

110Mobile numbers

Unlock all 59 companies Free account · no credit card · 2 minutes

The 25 largest cybersecurity and defense software companies based in Poland

Ranked by team size

Top 25 of 59 cybersecurity and defense software 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	OBR CTM SA	Gdynia	201-500	133	1
3	ISSP	Wroclaw	51-200	80	50
4	Teldat Sp. Z O.O.Sp.K	Bydgoszcz	51-200	73	11
5	STM Cyber	Warsaw	51-200	45	29
6	Decent Cybersecurity	Lublin	11-50	40	2
7	IMA Schelling Polska Automation Sp. Z O.O	Ruda	51-200	36	21
8	Sedivio	Warszawa	51-200	35	23
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	ICSEC	Warszawa	11-50	28	21
13	Soc360 Cybersecurity	Warszawa	11-50	26	16
14	Eset Polska	Krakow	51-200	16	10
15	Inseqr	Warszawa	11-50	15	7
16	Sagenso	Rzeszow	11-50	12	4
17	bulletprove.com	Pulawy	11-50	10	6
18	Allnet Group	Miedzyrzec Podlaski	11-50	9	7
19	Matic SA	Warszawa	11-50	7	4
20	Cryptomage	Wroclaw	11-50	7	3
21	Diskus Polska	Wieliczka	11-50	6	3
22	Itbiotic Sp. Z O.O	Katowice	1-10	5	4
23	Krypton Polska Sp. Z O.O	Warsaw	1-10	5	3
24	Crossmobile	Warszawa	11-50	5	2
25	NIS Systems	Warszawa	11-50	4	3

Showing 25 of 59 cybersecurity and defense software companies based in Poland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 817 reachable decision-makers.

Free account · no credit card

See all 59 companies

Cybersecurity and defense software companies based in Poland at a glance

As of Aug 28, 2026

11-50Median size (employees)

WarszawaLargest hub · 19 HQs

110Contacts 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

Cybersecurity and defense software companies by metro

Metro	Companies
Cybersecurity and defense software companies in Warszawa	19
Cybersecurity and defense software companies in Warsaw	4
Cybersecurity and defense software companies in Wroclaw	3
Cybersecurity and defense software companies in Katowice	2
Cybersecurity and defense software companies in Rzeszow	2
Cybersecurity and defense software companies in Krakow	2
Cybersecurity and defense software 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 “cybersecurity and defense software 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 cybersecurity and defense software companies are there based in Poland?

There are 59 cybersecurity and defense software 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 cybersecurity and defense software companies?

Warszawa leads with 19 headquartered companies, followed by Warsaw (4) and Wroclaw (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 817 verified decision-maker contacts tracked across these 59 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 59 cybersecurity and defense software companies based in Poland. Start with a free account, no credit card.

Get the full list

Related lists

Cybersecurity and defense software companies by geography

Browse the directory

Browse: Companies home · All Poland lists · All Cybersecurity and defense 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.