Company lists · Data verified August 2026

Top 25 Cybersecurity consulting firms based in Hungary

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 73 companies tracked

There are 73 cybersecurity consulting firms headquartered in Hungary (RevenueBase, August 2026). RevenueBase tracks 437 professional contacts across them, including 184 with verified work emails and 9 with mobile numbers. Budapest is the largest hub.

This list covers cybersecurity consulting firms headquartered in Hungary, 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.

73Companies

437Contacts tracked

184Verified emails

9Mobile numbers

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The 25 largest cybersecurity consulting firms based in Hungary

Ranked by team size

Top 25 of 73 cybersecurity consulting firms based in Hungary, 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	Black Cell	Budapest	51-200	48	28
2	Alverad Technology Focus LTD	Budapest	11-50	29	17
3	Fortix Consulting	n/a	11-50	24	20
4	Clico Hungary	n/a	11-50	23	19
5	kancellar.hu	n/a	51-200	22	11
6	Falcon GT Consulting ZRT	n/a	1-10	14	12
7	Itsecure KFT	n/a	11-50	14	5
8	Socurity	Dunakeszi	11-50	13	8
9	Spirity Enterprise Cplc	Budapest	11-50	13	8
10	Gammaorg ZRT	n/a	11-50	13	1
11	Trustaas	Budapest	11-50	10	8
12	Pr-Audit KFT	Budapest	11-50	10	4
13	Ravenfortech	Budapest	11-50	8	6
14	Hackrate	Budapest	11-50	8	3
15	Cdsys Nyrt	n/a	11-50	7	5
16	Socwise	Budapest	51-200	6	4
17	Security.Hu LTD	Budapest	11-50	5	2
18	BRIND	Budapest	1-10	4	1
19	G&g Consultancy	Budapest	1-10	3	3
20	Subscuto	Budapest	1-10	3	2
21	Antotech Solutions LTD	Diosd	1-10	3	1
22	Idesol Security Információbiztonsági ÉS Adatvédelmi Tanácsadó KFT	n/a	1-10	2	1
23	Averisk Információbiztonság KFT	Tokod	1-10	2	1
24	IT Business Consulting Hungary LTD	Budajeno	1-10	2	1
25	Datron ITS ZRT	n/a	11-50	1	1

Showing 25 of 73 cybersecurity consulting firms based in Hungary

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Cybersecurity consulting firms based in Hungary at a glance

As of Aug 28, 2026

1-10Median size (employees)

BudapestLargest hub · 32 HQs

9Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cybersecurity consulting firms by metro

Metro	Companies
Cybersecurity consulting firms in Budapest	32
Cybersecurity consulting firms in Pecel	1
Cybersecurity consulting firms in Diosd	1
Cybersecurity consulting firms in Budajeno	1
Cybersecurity consulting firms in Tokod	1
Cybersecurity consulting firms in Kecskemet	1
Cybersecurity consulting firms in Dunakeszi	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 Hungary.
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 Hungary?

There are 73 cybersecurity consulting firms headquartered in Hungary as of August 2026 (RevenueBase).

What is the largest company on this list?

Black Cell, headquartered in Budapest, tops this list with the largest team on record.

Which city has the most cybersecurity consulting firms?

Budapest leads with 32 headquartered companies, followed by Pecel (1) and Diosd (1).

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 184 verified decision-maker contacts tracked across these 73 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.