Company lists · Data verified August 2026

Top 25 Cybersecurity defense consultants based in Poland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 180 companies tracked

There are 180 cybersecurity defense consultants headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 2,422 professional contacts across them, including 1,030 with verified work emails and 129 with mobile numbers. Warszawa is the largest hub.

This list covers cybersecurity defense consultants 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.

180Companies

2,422Contacts tracked

1,030Verified emails

129Mobile numbers

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The 25 largest cybersecurity defense consultants based in Poland

Ranked by team size

Top 25 of 180 cybersecurity defense consultants 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	Integrity Partners	Grodzisk Mazowiecki	51-200	120	87
4	ISSP	Wroclaw	51-200	80	50
5	Securitum	Krakow	51-200	48	7
6	STM Cyber	Warsaw	51-200	45	29
7	4prime IT Security	Warszawa	51-200	32	18
8	Polski Holding Obronny Sp. Z O.O	Wola	501-1,000	32	9
9	Softinet	Warszawa	11-50	27	15
10	Maxto ITS	Modlniczka	11-50	27	11
11	Soc360 Cybersecurity	Warszawa	11-50	26	16
12	Comcert SA	Warszawa	11-50	23	16
13	Ikaria IT Security Experts	Lodz	11-50	23	4
14	Doyensec	Warsaw	11-50	22	16
15	Sisoft	Krakow	11-50	20	10
16	AFINE	Warszawa	11-50	19	4
17	Cyber360	Warszawa	11-50	17	9
18	Seqred	Warszawa	11-50	17	9
19	Nflo Sp. Z O.O	Warszawa	11-50	15	7
20	Inseqr	Warszawa	11-50	15	7
21	Smartech IT	Bielany Wroclawskie	11-50	15	2
22	Crossword Cybersecurity PLC	Krakow	51-200	14	1
23	Aegis Security	Warszawa	11-50	13	6
24	Eurosoc	Gdynia	11-50	13	6
25	Sagenso	Rzeszow	11-50	12	4

Showing 25 of 180 cybersecurity defense consultants based in Poland

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Cybersecurity defense consultants based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarszawaLargest hub · 46 HQs

129Contacts with mobile numbers

1Emails 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 defense consultants by metro

Metro	Companies
Cybersecurity defense consultants in Warszawa	46
Cybersecurity defense consultants in Warsaw	27
Cybersecurity defense consultants in Krakow	14
Cybersecurity defense consultants in Wroclaw	14
Cybersecurity defense consultants in Poznan	6
Cybersecurity defense consultants in Katowice	5
Cybersecurity defense consultants in Lodz	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 defense consultants”, 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 defense consultants are there based in Poland?

There are 180 cybersecurity defense consultants 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 defense consultants?

Warszawa leads with 46 headquartered companies, followed by Warsaw (27) and Krakow (14).

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 1,030 verified decision-maker contacts tracked across these 180 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.