Company lists · Data verified August 2026

Top 25 Data security consulting firms based in Hungary

Name: Data security 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 66 companies tracked

There are 66 data security consulting firms headquartered in Hungary (RevenueBase, August 2026). RevenueBase tracks 433 professional contacts across them, including 227 with verified work emails and 8 with mobile numbers. Budapest is the largest hub.

This list covers data security 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.

66Companies

433Contacts tracked

227Verified emails

8Mobile numbers

Unlock all 66 companies Free account · no credit card · 2 minutes

The 25 largest data security consulting firms based in Hungary

Ranked by team size

Top 25 of 66 data security 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	IT Natives	n/a	11-50	39	32
3	Alverad Technology Focus LTD	Budapest	11-50	29	17
4	Fortix Consulting	n/a	11-50	24	20
5	Clico Hungary	n/a	11-50	23	19
6	kancellar.hu	n/a	51-200	22	11
7	Soloron IT Zrt.	n/a	51-200	21	18
8	Falcon GT Consulting ZRT	n/a	1-10	14	12
9	Itsecure KFT	n/a	11-50	14	5
10	Spirity Enterprise Cplc	Budapest	11-50	13	8
11	Gammaorg ZRT	n/a	11-50	13	1
12	Trustaas	Budapest	11-50	10	8
13	Pr-Audit KFT	Budapest	11-50	10	4
14	Ravenfortech	Budapest	11-50	8	6
15	Humanoit KFT	n/a	11-50	7	6
16	Socwise	Budapest	51-200	6	4
17	Easyway Systems KFT	Budapest	11-50	6	4
18	Security.Hu LTD	Budapest	11-50	5	2
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	IT Business Consulting Hungary LTD	Budajeno	1-10	2	1
24	Datron ITS ZRT	n/a	11-50	1	1
25	Innocube LTD	Budapest	1-10	1	1

Showing 25 of 66 data security consulting firms based in Hungary

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 227 reachable decision-makers.

Free account · no credit card

See all 66 companies

Data security consulting firms based in Hungary at a glance

As of Aug 28, 2026

1-10Median size (employees)

BudapestLargest hub · 26 HQs

8Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Data security consulting firms by metro

Metro	Companies
Data security consulting firms in Budapest	26
Data security consulting firms in Szentendre	2
Data security consulting firms in Albertirsa	1
Data security consulting firms in Diosd	1
Data security consulting firms in Budajeno	1
Data security consulting firms in Kecskemet	1
Data security consulting firms in Nagycenk	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 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 data security consulting firms are there based in Hungary?

There are 66 data security 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 data security consulting firms?

Budapest leads with 26 headquartered companies, followed by Szentendre (2) and Albertirsa (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 227 verified decision-maker contacts tracked across these 66 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.

Ready to reach these companies? Verified emails and direct dials for all 66 data security consulting firms based in Hungary. Start with a free account, no credit card.

Get the full list

Related lists

Data security consulting firms by geography

Browse the directory

Browse: Companies home · All Hungary lists · All Data security consulting firms lists · New lists

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.