Company lists · Data verified August 2026

Top 23 Cybersecurity startups based in Hungary

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 52 companies tracked

There are 52 cybersecurity startups headquartered in Hungary (RevenueBase, August 2026). RevenueBase tracks 1,440 professional contacts across them, including 747 with verified work emails and 158 with mobile numbers. Budapest is the largest hub.

This list covers cybersecurity startups 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.

52Companies

1,440Contacts tracked

747Verified emails

158Mobile numbers

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The 23 largest cybersecurity startups based in Hungary

Ranked by team size

Top 23 of 52 cybersecurity startups 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	Opswat	Veszprem	501-1,000	1,107	627
2	Black Cell	Budapest	51-200	48	28
3	Alverad Technology Focus LTD	Budapest	11-50	29	17
4	Falcon GT Consulting ZRT	n/a	1-10	14	12
5	Itsecure KFT	n/a	11-50	14	5
6	Socurity	Dunakeszi	11-50	13	8
7	Spirity Enterprise Cplc	Budapest	11-50	13	8
8	Gammaorg ZRT	n/a	11-50	13	1
9	Trustaas	Budapest	11-50	10	8
10	Ravenfortech	Budapest	11-50	8	6
11	Hackrate	Budapest	11-50	8	3
12	Cdsys Nyrt	n/a	11-50	7	5
13	Socwise	Budapest	51-200	6	4
14	cyex.hu	n/a	11-50	5	2
15	Exclusive Networks Hungary KFT	Budapest	1-10	4	4
16	BRIND	Budapest	1-10	4	1
17	Subscuto	Budapest	1-10	3	2
18	Averisk Információbiztonság KFT	Tokod	1-10	2	1
19	Datron ITS ZRT	n/a	11-50	1	1
20	Iddqd KFT	Budapest	1-10	1	1
21	Akis Management LTD	n/a	1-10	1	1
22	Cyberwise Cyber Consulting & Security Services	n/a	1-10	1	1
23	Zero DAY Solutions KFT	Nagycenk	1-10	1	1

Showing 23 of 52 cybersecurity startups based in Hungary

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Cybersecurity startups based in Hungary at a glance

As of Aug 28, 2026

1-10Median size (employees)

BudapestLargest hub · 25 HQs

158Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Cybersecurity startups by metro

Metro	Companies
Cybersecurity startups in Budapest	25
Cybersecurity startups in Veszprem	1
Cybersecurity startups in Pecel	1
Cybersecurity startups in Tokod	1
Cybersecurity startups in Dunakeszi	1
Cybersecurity startups in Nagycenk	1
Cybersecurity startups in Eger	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 startups”, 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; 2 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 startups are there based in Hungary?

There are 52 cybersecurity startups headquartered in Hungary as of August 2026 (RevenueBase).

What is the largest company on this list?

Opswat, headquartered in Veszprem, tops this list with the largest team on record.

Which city has the most cybersecurity startups?

Budapest leads with 25 headquartered companies, followed by Veszprem (1) and Pecel (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 747 verified decision-maker contacts tracked across these 52 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.