Company lists · Data verified August 2026

Top 22 Cybersecurity defense companies based in Ukraine

Name: Cybersecurity defense companies based in Ukraine
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 49 companies tracked

There are 49 cybersecurity defense companies headquartered in Ukraine (RevenueBase, August 2026). RevenueBase tracks 320 professional contacts across them, including 64 with verified work emails and 5 with mobile numbers. Kyiv is the largest hub.

This list covers cybersecurity defense companies headquartered in Ukraine, 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.

49Companies

320Contacts tracked

64Verified emails

5Mobile numbers

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The 22 largest cybersecurity defense companies based in Ukraine

Ranked by team size

Top 22 of 49 cybersecurity defense companies based in Ukraine, 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	Svit IT LTD	Kyiv	11-50	27	11
2	10guards	Kyiv City	11-50	19	5
3	Darkcloud	Kyiv	11-50	16	2
4	Labyrinth Security Solutions	Kyiv	11-50	15	3
5	Rmrf Tech	Kyiv Kyiv	11-50	12	6
6	St&t	Kiyiv	11-50	12	2
7	Silvery LLC	Kyiv	11-50	11	9
8	Cyber Nnov8	Kyiv	11-50	10	1
9	Amonsul	Kyiv	1-10	8	3
10	Openminds	Kyiv	11-50	8	2
11	Security Expert Group	Kyiv	11-50	8	1
12	Solidity	Kiyiv	51-200	7	3
13	Kavitech	Kyiv	11-50	6	2
14	Pakurity	Kyiv	1-10	6	1
15	Hackcontrol	Kharkiv	11-50	5	3
16	Digvel	Kyiv	1-10	5	3
17	Nemesis Global	Kyiv	11-50	2	1
18	Cyber Force	Kyiv	1-10	2	1
19	Cyberclew	Kyiv Kyiv	11-50	1	1
20	Digvel International	Dnipro	11-50	1	1
21	Itexe Interlocking Cybersecurity	Kyiv	1-10	1	1
22	Cyber Sharks Group	Kiev	1-10	1	1

Showing 22 of 49 cybersecurity defense companies based in Ukraine

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Cybersecurity defense companies based in Ukraine at a glance

As of Aug 28, 2026

11-50Median size (employees)

KyivLargest hub · 28 HQs

5Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cybersecurity defense companies by metro

Metro	Companies
Cybersecurity defense companies in Kyiv	28
Cybersecurity defense companies in Kiev	5
Cybersecurity defense companies in Kiyiv	4
Cybersecurity defense companies in Kyiv Kyiv	4
Cybersecurity defense companies in Kyiv City	3
Cybersecurity defense companies in Kharkiv	2
Cybersecurity defense companies in Dnipro	1
Cybersecurity defense companies in Ivano-Frankivsk	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 defense companies”, with match quality audited by blind human judging, and headquartered in Ukraine.
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 defense companies are there based in Ukraine?

There are 49 cybersecurity defense companies headquartered in Ukraine as of August 2026 (RevenueBase).

What is the largest company on this list?

Svit IT LTD, headquartered in Kyiv, tops this list with the largest team on record.

Which city has the most cybersecurity defense companies?

Kyiv leads with 28 headquartered companies, followed by Kiev (5) and Kiyiv (4).

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 64 verified decision-maker contacts tracked across these 49 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.