Company lists · Data verified August 2026

Top 14 Data security consulting firms based in Slovakia

Name: Data security 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 30 companies tracked

There are 30 data security consulting firms headquartered in Slovakia (RevenueBase, August 2026). RevenueBase tracks 129 professional contacts across them, including 62 with verified work emails and 1 with mobile numbers. Bratislava is the largest hub.

This list covers data security 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.

30Companies

129Contacts tracked

62Verified emails

1Mobile numbers

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The 14 largest data security consulting firms based in Slovakia

Ranked by team size

Top 14 of 30 data security 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	Istrosec	Bratislava	11-50	30	23
2	KOLAS	Bratislava	11-50	12	6
3	Sophistit	Bratislava Of Bratislava	11-50	8	7
4	Invidia Solutions A.S	Bratislava	1-10	6	6
5	U-System Slovakia, S.R.O	Bratislava	1-10	6	5
6	CSFIT	Bratislava	11-50	5	4
7	Krucek	Bratislava Of Bratislava	1-10	5	4
8	Screening Solutions	Bratislava	11-50	3	1
9	Itacon	Bratislava Nove Mesto	1-10	2	1
10	Secutreo	Bratislava	1-10	2	1
11	Oneguard, S.R.O	Bratislava	1-10	2	1
12	IOSEC	Bratislava	11-50	1	1
13	Consultio S.R.O	Kosice	1-10	1	1
14	Eway S.R.O	Zilina	1-10	1	1

Showing 14 of 30 data security consulting firms based in Slovakia

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Data security consulting firms based in Slovakia at a glance

As of Aug 28, 2026

1-10Median size (employees)

BratislavaLargest hub · 16 HQs

1Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

Data security consulting firms by metro

Metro	Companies
Data security consulting firms in Bratislava	16
Data security consulting firms in Bratislava Of Bratislava	2
Data security consulting firms in Ruzinov Of Bratislava	2
Data security consulting firms in Bratislava Nove Mesto	1
Data security consulting firms in Spisska Nova Ves	1
Data security consulting firms in Hviezdoslavov Trnava	1
Data security consulting firms in Nitra Nitra	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 “data security 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 data security consulting firms are there based in Slovakia?

There are 30 data security consulting firms headquartered in Slovakia as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most data security consulting firms?

Bratislava leads with 16 headquartered companies, followed by Bratislava Of Bratislava (2) 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 62 verified decision-maker contacts tracked across these 30 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.