Company lists · Data verified August 2026

Top 15 Cloud security consulting companies based in Greece

Name: Cloud security consulting companies based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 36 companies tracked

There are 36 cloud security consulting companies headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 1,805 professional contacts across them, including 966 with verified work emails and 56 with mobile numbers. Athens is the largest hub.

This list covers cloud security consulting companies 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.

36Companies

1,805Contacts tracked

966Verified emails

56Mobile numbers

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The 15 largest cloud security consulting companies based in Greece

Ranked by team size

Top 15 of 36 cloud security consulting companies 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	Adastra	Thessaloniki	1,001-5,000	1,572	872
2	Office Line SA	Athens	51-200	68	34
3	Systecom S.A	Metamorfosi	11-50	25	14
4	Rocket Path P.C	Athens	11-50	15	9
5	Mainstream EU	n/a	51-200	13	10
6	Solidity Technology Services S.A	Athens	11-50	13	7
7	Artios	Athens	11-50	12	3
8	Helloworld PC	Athens	11-50	9	2
9	DO IT Hellas	n/a	1-10	9	1
10	Antyxsoft Cloud	n/a	1-10	7	5
11	LCM GO Cloud	Athens	11-50	5	4
12	Fsociety S.M. P.C	n/a	1-10	4	1
13	Cloudstraight	Athens	1-10	2	1
14	Stackmasters	Athens	1-10	1	1
15	ST Consultants Security Consulting Services	n/a	1-10	1	1

Showing 15 of 36 cloud security consulting companies based in Greece

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Cloud security consulting companies based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 17 HQs

56Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Cloud security consulting companies by metro

Metro	Companies
Cloud security consulting companies in Athens	17
Cloud security consulting companies in Salonica	1
Cloud security consulting companies in Piraeus	1
Cloud security consulting companies in Attica	1
Cloud security consulting companies in Metamorfosi	1
Cloud security consulting companies in Thessaloniki	1
Cloud security consulting companies 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 “cloud security consulting companies”, 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; 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 cloud security consulting companies are there based in Greece?

There are 36 cloud security consulting companies headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Adastra, headquartered in Thessaloniki, tops this list with the largest team on record.

Which city has the most cloud security consulting companies?

Athens leads with 17 headquartered companies, followed by Salonica (1) and Piraeus (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 966 verified decision-maker contacts tracked across these 36 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.