Company lists · Data verified August 2026

Top 20 Cybersecurity consulting firms based in Slovakia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 46 companies tracked

There are 46 cybersecurity consulting firms headquartered in Slovakia (RevenueBase, August 2026). RevenueBase tracks 233 professional contacts across them, including 101 with verified work emails and 4 with mobile numbers. Bratislava is the largest hub.

This list covers cybersecurity consulting 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.

46Companies

233Contacts tracked

101Verified emails

4Mobile numbers

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The 20 largest cybersecurity consulting firms based in Slovakia

Ranked by team size

Top 20 of 46 cybersecurity consulting 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	Binary Confidence	Bratislava	11-50	42	1
2	Axenta	Liptovsky Mikulas	11-50	41	34
3	Istrosec	Bratislava	11-50	30	23
4	KOLAS	Bratislava	11-50	12	6
5	Sophistit	Bratislava Of Bratislava	11-50	8	7
6	Invidia Solutions A.S	Bratislava	1-10	6	6
7	Binary House	Bratislava	1-10	5	5
8	CSFIT	Bratislava	11-50	5	4
9	Void Security Operations Center	Bratislava	11-50	5	3
10	Toonet	Bratislava	11-50	5	1
11	Proma Technology,s.R.O	Zilina	1-10	2	2
12	Itacon	Bratislava Nove Mesto	1-10	2	1
13	Netvel	Bratislava	1-10	2	1
14	IOSEC	Bratislava	11-50	1	1
15	Consultio S.R.O	Kosice	1-10	1	1
16	Eway S.R.O	Zilina	1-10	1	1
17	Roundly Consulting	Bratislava	1-10	1	1
18	enigmma.sk	Bratislava	1-10	1	1
19	Sicurio	Bratislava	1-10	1	1
20	auditori.it	Bratislava	1-10	1	1

Showing 20 of 46 cybersecurity consulting firms based in Slovakia

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Cybersecurity consulting firms based in Slovakia at a glance

As of Aug 28, 2026

1-10Median size (employees)

BratislavaLargest hub · 26 HQs

4Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

Cybersecurity consulting firms by metro

Metro	Companies
Cybersecurity consulting firms in Bratislava	26
Cybersecurity consulting firms in Bratislava Of Bratislava	4
Cybersecurity consulting firms in Ruzinov Of Bratislava	2
Cybersecurity consulting firms in Trnava	2
Cybersecurity consulting firms in Zilina	2
Cybersecurity consulting firms in Bratislava Nove Mesto	1
Cybersecurity consulting firms in Mesto Of Bratislava	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 consulting 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 consulting firms are there based in Slovakia?

There are 46 cybersecurity consulting firms headquartered in Slovakia as of August 2026 (RevenueBase).

What is the largest company on this list?

Binary Confidence, headquartered in Bratislava, tops this list with the largest team on record.

Which city has the most cybersecurity consulting firms?

Bratislava leads with 26 headquartered companies, followed by Bratislava Of Bratislava (4) and Ruzinov Of Bratislava (2).

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 101 verified decision-maker contacts tracked across these 46 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.