Company lists · Data verified August 2026

Top 25 Cybersecurity startups based in Poland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 145 companies tracked

There are 145 cybersecurity startups headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 2,389 professional contacts across them, including 1,000 with verified work emails and 128 with mobile numbers. Warszawa is the largest hub.

This list covers cybersecurity startups 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.

145Companies

2,389Contacts tracked

1,000Verified emails

128Mobile numbers

Unlock all 145 companies Free account · no credit card · 2 minutes

The 25 largest cybersecurity startups based in Poland

Ranked by team size

Top 25 of 145 cybersecurity startups 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	ISSP	Wroclaw	51-200	80	50
4	STM Cyber	Warsaw	51-200	45	29
5	Securevisio	Rzeszow	51-200	40	22
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	Perceptus	Zielona Gora	11-50	30	10
11	ICSEC	Warszawa	11-50	28	21
12	Softinet	Warszawa	11-50	27	15
13	Soc360 Cybersecurity	Warszawa	11-50	26	16
14	Comcert SA	Warszawa	11-50	23	16
15	Ikaria IT Security Experts	Lodz	11-50	23	4
16	Doyensec	Warsaw	11-50	22	16
17	Cdex Cyber Defence Exercise Platform	Poznan	11-50	20	10
18	Sisoft	Krakow	11-50	20	10
19	AFINE	Warszawa	11-50	19	4
20	Hakon Software	Gdansk	11-50	19	2
21	Cyber360	Warszawa	11-50	17	9
22	Seqred	Warszawa	11-50	17	9
23	Eset Polska	Krakow	51-200	16	10
24	Inseqr	Warszawa	11-50	15	7
25	Smartech IT	Bielany Wroclawskie	11-50	15	2

Showing 25 of 145 cybersecurity startups based in Poland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,000 reachable decision-makers.

Free account · no credit card

See all 145 companies

Cybersecurity startups based in Poland at a glance

As of Aug 28, 2026

11-50Median size (employees)

WarszawaLargest hub · 38 HQs

128Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Cybersecurity startups by metro

Metro	Companies
Cybersecurity startups in Warszawa	38
Cybersecurity startups in Warsaw	18
Cybersecurity startups in Krakow	11
Cybersecurity startups in Wroclaw	10
Cybersecurity startups in Gdansk	7
Cybersecurity startups in Rzeszow	5
Cybersecurity startups in Katowice	5
Cybersecurity startups in Poznan	5

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 startups”, 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 startups are there based in Poland?

There are 145 cybersecurity startups 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 startups?

Warszawa leads with 38 headquartered companies, followed by Warsaw (18) and Krakow (11).

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 1,000 verified decision-maker contacts tracked across these 145 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 145 cybersecurity startups based in Poland. Start with a free account, no credit card.

Get the full list

Related lists

Cybersecurity startups by geography

Browse the directory

Browse: Companies home · All Poland lists · All Cybersecurity startups 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.