Company lists · Data verified August 2026

Top 18 Cybersecurity and recovery firms based in Greece

Name: Cybersecurity and recovery firms based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 35 companies tracked

There are 35 cybersecurity and recovery firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 1,019 professional contacts across them, including 493 with verified work emails and 20 with mobile numbers. Athens is the largest hub.

This list covers cybersecurity and recovery firms headquartered in Greece, 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.

35Companies

1,019Contacts tracked

493Verified emails

20Mobile numbers

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The 18 largest cybersecurity and recovery firms based in Greece

Ranked by team size

Top 18 of 35 cybersecurity and recovery firms based in Greece, 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	Nviso Security	Athens	201-500	311	205
2	Obrela	Athens	201-500	242	146
3	Census	Thermi Thessaloniki	51-200	184	46
4	Itway Cyber Security And Resiliency	Atene	51-200	81	23
5	K3y	n/a	11-50	25	4
6	Threatscene	Athens	11-50	20	11
7	DTI Solutions	n/a	11-50	17	12
8	Alphabit Cybersecurity	n/a	11-50	17	2
9	Cenobe Cybersecurity	n/a	11-50	15	8
10	Cyber Noesis	n/a	11-50	12	11
11	Geniusnet SA	Athens	11-50	12	8
12	Cysoft LTD	Athens	1-10	7	1
13	Logisek	n/a	11-50	6	5
14	PES Cybersecurity	n/a	1-10	6	4
15	Vital Digital Forensics	Athens	1-10	4	3
16	Raven Cybersecurity	Heraklion	1-10	3	1
17	Fractis	Athens	1-10	2	2
18	Cyberx Csis	n/a	1-10	2	1

Showing 18 of 35 cybersecurity and recovery firms based in Greece

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Cybersecurity and recovery firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 14 HQs

20Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cybersecurity and recovery firms by metro

Metro	Companies
Cybersecurity and recovery firms in Athens	14
Cybersecurity and recovery firms in Piraeus	1
Cybersecurity and recovery firms in Atene	1
Cybersecurity and recovery firms in Attica	1
Cybersecurity and recovery firms in Thermi Thessaloniki	1
Cybersecurity and recovery firms in Thessaloniki	1
Cybersecurity and recovery firms in Heraklion	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 and recovery firms”, with match quality audited by blind human judging, and headquartered in Greece.
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 and recovery firms are there based in Greece?

There are 35 cybersecurity and recovery firms headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Nviso Security, headquartered in Athens, tops this list with the largest team on record.

Which city has the most cybersecurity and recovery firms?

Athens leads with 14 headquartered companies, followed by Piraeus (1) and Atene (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 493 verified decision-maker contacts tracked across these 35 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.