Company lists · Data verified August 2026

Top 25 Cybersecurity firms based in Slovakia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 61 companies tracked

There are 61 cybersecurity firms headquartered in Slovakia (RevenueBase, August 2026). RevenueBase tracks 422 professional contacts across them, including 165 with verified work emails and 9 with mobile numbers. Bratislava is the largest hub.

This list covers cybersecurity firms headquartered in Slovakia, 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.

61Companies

422Contacts tracked

165Verified emails

9Mobile numbers

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The 25 largest cybersecurity firms based in Slovakia

Ranked by team size

Top 25 of 61 cybersecurity firms based in Slovakia, 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	Stormwall	Biskupice Of Bratislava	11-50	48	9
2	Binary Confidence	Bratislava	11-50	42	1
3	Axenta	Liptovsky Mikulas	11-50	41	34
4	Eset Slovensko	Bratislava	11-50	38	25
5	Istrosec	Bratislava	11-50	30	23
6	EMM Slovakia	Bratislava	11-50	17	13
7	Comtec S.R.O	Nove Mesto Nad Vahom	11-50	12	7
8	Exclusive Networks Slovakia	Bratislava	11-50	11	8
9	Sophistit	Bratislava Of Bratislava	11-50	8	7
10	Invidia Solutions A.S	Bratislava	1-10	6	6
11	Yellow Cube Cyberdefense	Bratislava	11-50	6	3
12	Binary House	Bratislava	1-10	5	5
13	CSFIT	Bratislava	11-50	5	4
14	Void Security Operations Center	Bratislava	11-50	5	3
15	Toonet	Bratislava	11-50	5	1
16	Csirt-Upjs	n/a	1-10	4	2
17	Haxoris	Bratislava	1-10	4	1
18	Cogitans	Bratislava	1-10	3	3
19	Proma Technology,s.R.O	Zilina	1-10	2	2
20	Itacon	Bratislava Nove Mesto	1-10	2	1
21	Accura	Bratislava	1-10	2	1
22	Secutreo	Bratislava	1-10	2	1
23	Netvel	Bratislava	1-10	2	1
24	Eway S.R.O	Zilina	1-10	1	1
25	Sicurio	Bratislava	1-10	1	1

Showing 25 of 61 cybersecurity firms based in Slovakia

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Cybersecurity firms based in Slovakia at a glance

As of Aug 28, 2026

1-10Median size (employees)

BratislavaLargest hub · 33 HQs

9Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cybersecurity firms by metro

Metro	Companies
Cybersecurity firms in Bratislava	33
Cybersecurity firms in Bratislava Of Bratislava	4
Cybersecurity firms in Trnava	3
Cybersecurity firms in Zilina	3
Cybersecurity firms in Ruzinov Of Bratislava	2
Cybersecurity firms in Liptovsky Mikulas	2
Cybersecurity firms in Bratislava Nove Mesto	1

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 Slovakia.
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 firms are there based in Slovakia?

There are 61 cybersecurity firms headquartered in Slovakia as of August 2026 (RevenueBase).

What is the largest company on this list?

Stormwall, headquartered in Biskupice Of Bratislava, tops this list with the largest team on record.

Which city has the most cybersecurity firms?

Bratislava leads with 33 headquartered companies, followed by Bratislava Of Bratislava (4) and Trnava (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 165 verified decision-maker contacts tracked across these 61 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.