Company lists · Data verified August 2026

Top 14 Corporate security consultants based in Greece

Name: Corporate security consultants based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 31 companies tracked

There are 31 corporate security consultants headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 354 professional contacts across them, including 74 with verified work emails and 8 with mobile numbers. Athens is the largest hub.

This list covers corporate security consultants 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.

31Companies

354Contacts tracked

74Verified emails

8Mobile numbers

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The 14 largest corporate security consultants based in Greece

Ranked by team size

Top 14 of 31 corporate security consultants 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	ESA Security Solutions S.A	Chalandri	1,001-5,000	182	39
2	DTI Solutions	n/a	11-50	17	12
3	Mega Sprint Guard	n/a	1,001-5,000	17	1
4	Interstar Security	n/a	51-200	16	3
5	Vexillum Security Services	Piraeus	11-50	11	2
6	Topsec Security Products	n/a	1-10	8	1
7	Ovit P.C	Athens	51-200	7	4
8	In2solution P.C	Athens	11-50	6	3
9	Safeguard Security Services & Systems	n/a	51-200	5	2
10	Cyberone S.A	Athens	1-10	4	3
11	Nisos Advisors	n/a	11-50	2	1
12	Alliance Security Consulting	n/a	1-10	2	1
13	Antimetron	n/a	1-10	2	1
14	ST Consultants Security Consulting Services	n/a	1-10	1	1

Showing 14 of 31 corporate security consultants based in Greece

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Corporate security consultants based in Greece at a glance

As of Aug 28, 2026

11-50Median size (employees)

AthensLargest hub · 7 HQs

8Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

Corporate security consultants by metro

Metro	Companies
Corporate security consultants in Athens	7
Corporate security consultants in Piraeus	1
Corporate security consultants in Lamia	1
Corporate security consultants in Chalandri	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 “corporate security consultants”, 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 corporate security consultants are there based in Greece?

There are 31 corporate security consultants headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

ESA Security Solutions S.A, headquartered in Chalandri, tops this list with the largest team on record.

Which city has the most corporate security consultants?

Athens leads with 7 headquartered companies, followed by Piraeus (1) and Lamia (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 74 verified decision-maker contacts tracked across these 31 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.