Company lists · Data refreshed September 2026

Top 25 Managed security services for industrial operations based in Greece

Name: Managed security services for industrial operations based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 68 companies tracked

RevenueBase identified 68 managed security services for industrial operations headquartered in Greece as of September 2026 and tracks 1,171 professional contacts across them, including 338 with verified work emails. Athens is the largest hub.

This list covers managed security services for industrial operations headquartered in Greece, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

68Companies

1,171Contacts tracked

338Verified emails

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The 25 largest managed security services for industrial operations based in Greece

Ranked by team size

Top 25 of 68 managed security services for industrial operations based in Greece, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to managed security services for industrial operations: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Neurosoft	Strong evidence	Irakleio, GreeceHQ checked Sep 28, 2026	201-500	270 contacts →
	Strong evidence “Neurosoft is a leading Managed Services Provider (MSP) that specializes in offering end-to-end premium integrated services in the areas of Cyber Security, Technology and Field…” Source: RevenueBase Database · checked Sep 28, 2026
2	Census	Indirect evidence	Athens, GreeceHQ checked Sep 28, 2026	51-200	194 contacts →
	Indirect evidence “CENSUS is a cybersecurity engineering powerhouse.” Source: RevenueBase Database · checked Sep 28, 2026
3	ESA Security Solutions S.A	Partial evidence	Chalandri, GreeceHQ checked Sep 28, 2026	1,001-5,000	185 contacts →
	Partial evidence “ESA Security Solutions is a leading security company in Greece.” Source: RevenueBase Database · checked Sep 28, 2026
4	Ifsas Group	Strong evidence	Kifissia, GreeceHQ checked Sep 28, 2026	51-200	68 contacts →
	Strong evidence “IFSAS Group is a leading integrator of advanced Safety, Security & Homeland Security solutions, delivering end-to-end systems that protect people, assets, and critical operations.” Source: RevenueBase Database · checked Sep 28, 2026
5	United Security	Partial evidence	Piraeus, GreeceHQ checked Sep 28, 2026	201-500	35 contacts →
	Partial evidence “The Company United Security is focused providing high security services tailored to the ever growing needs.” Source: RevenueBase Database · checked Sep 28, 2026
6	Cubitech Systems	Partial evidence	Tavros, GreeceHQ checked Sep 28, 2026	11-50	30 contacts →
	Partial evidence “A well-rounded team of specialists ready to undertake any security project regardless of size, complexity or location.” Source: RevenueBase Database · checked Sep 28, 2026
7	Union Security	Partial evidence	Agios Stefanos, GreeceHQ checked Sep 28, 2026	11-50	18 contacts →
	Partial evidence “The company exists in the field of Systems and Security Services since 2003 with significant experience.” Source: RevenueBase Database · checked Sep 28, 2026
8	Mega Sprint Guard	Strong evidence	Thessaloniki, GreeceHQ checked Sep 28, 2026	1,001-5,000	17 contacts →
	Strong evidence “We offer service as: Crisis Management Risk Assessment Guardin Services Manned Security Services Electronic Security Systems Incident Management Station Armored luxury cars…” Source: RevenueBase Database · checked Sep 28, 2026
9	Cyber Noesis	Strong evidence	Agios Dimitrios, GreeceHQ checked Sep 28, 2026	11-50	12 contacts →
	Strong evidence “CyberNoesis was established in 2015 by cyber security specialists with extensive experience in enterprise, industrial and telecommunications sectors.” Source: RevenueBase Database · checked Sep 28, 2026
10	Geniusnet SA	Partial evidence	Chalandri Athens, GreeceHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “GeniusNet SA is a High tech Cybersecurity and Smart security Company specialized on Supporting your business!” Source: RevenueBase Database · checked Sep 28, 2026
11	Topsec Security Products	Partial evidence	Αθηνα, GreeceHQ checked Sep 28, 2026	1-10	8 contacts →
	Partial evidence “Η εταιρεία Topsec Security Products προσφέρει λύσεις και προϊόντα συστημάτων ασφαλείας για το σπίτι, τις ιδιωτικές και δημόσιες επιχειρήσεις, οργανισμούς κάθε μεγέθους, τη…” Source: RevenueBase Database · checked Sep 28, 2026
12	Memorandum	Partial evidence	Athens, GreeceHQ checked Sep 28, 2026	11-50	7 contacts →
	Partial evidence “A cyber security company that offers bespoke, impact-centric services through envisioning, designing, crafting and providing critical Cyber Security Solutions and advanced A.I.” Source: RevenueBase Database · checked Sep 28, 2026
13	Ovit P.C	Partial evidence	Athens, GreeceHQ checked Sep 28, 2026	51-200	7 contacts →
	Partial evidence “Our mission statement illustrates our company culture: Ovit personnel provide Superior Security Services tailored specifically to the requirements of each individual or client's…” Source: RevenueBase Database · checked Sep 28, 2026
14	Logisek	Partial evidence	Koropi, GreeceHQ checked Sep 28, 2026	11-50	6 contacts →
	Partial evidence “Logisek is a leading Cyber Security and IT services firm, founded in Greece in 2008 and expanded to Romania in 2019.” Source: RevenueBase Database · checked Sep 28, 2026
15	In2solution P.C	Partial evidence	Athens, GreeceHQ checked Sep 28, 2026	11-50	6 contacts →
	Partial evidence “Ιn2solution is an advanced security solutions company based in Athens.” Source: RevenueBase Database · checked Sep 28, 2026
16	Plugsecure	Indirect evidence	Athens, GreeceHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “Safeguarding the future of energy with cybersecurity & reliability intelligent solutions for critical infrastructure.” Source: RevenueBase Database · checked Sep 28, 2026
17	EOS Specific Industrial Solutions SA	Partial evidence	Pylaia, GreeceHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “EOS Specific Industrial Solutions SA EOS is a company based in Thessaloniki Greece, providing industrial informatics solutions to a series of vertical markets.” Source: RevenueBase Database · checked Sep 28, 2026
18	Headnet	Indirect evidence	Athens, GreeceHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “At HEADNET, we deliver advanced networking and cybersecurity solutions designed to meet your unique business needs.” Source: RevenueBase Database · checked Sep 28, 2026
19	I-Metrix	Strong evidence	Athens, GreeceHQ checked Sep 28, 2026	11-50	5 contacts →
	Strong evidence “Started in is now one of the leading companies in managed security services.” Source: RevenueBase Database · checked Sep 28, 2026
20	Safeguard Security Services & Systems	Partial evidence	Chaidari, GreeceHQ checked Sep 28, 2026	51-200	5 contacts →
	Partial evidence “SAFEGUARD Security Services & Systems since 2013, provides comprehensive and reliable Security Services.” Source: RevenueBase Database · checked Sep 28, 2026
21	Cyberone S.A	Partial evidence	Chalandri, GreeceHQ checked Sep 28, 2026	1-10	4 contacts →
	Partial evidence “At CyberOne we select and integrate the most advanced IT security solutions to address the evolving needs of corporate customers who must protect their information repositories…” Source: RevenueBase Database · checked Sep 28, 2026
22	Snsfortech S.A	Indirect evidence	Chalandri, GreeceHQ checked Sep 28, 2026	11-50	4 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
23	Fractis	Partial evidence	Athens, GreeceHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “We are a cyber security firm based in Greece operating in the EMEA region.” Source: RevenueBase Database · checked Sep 28, 2026
24	Techforall Team	Partial evidence	Thessaloniki, GreeceHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “TECHFORALL has been a leader in the security industry for over 10 years.” Source: RevenueBase Database · checked Sep 28, 2026
25	Inventa Technology Products & Services	Indirect evidence	Vrilissia, GreeceHQ checked Sep 28, 2026	1-10	2 contacts →
	Indirect evidence “Inventa can undertake any aspect of consultancy, infrastructure design, sourcing, deployment and support covering the domains of Information Technology and Safety.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: managed security services for industrial operations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names managed security services for industrial operations.
Partial evidence: Its own public description names part of managed security services for industrial operations, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name managed security services for industrial operations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 68 managed security services for industrial operations based in Greece

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Managed security services for industrial operations based in Greece at a glance

As of Sep 28, 2026

28.9%Verified-email coverage

17.2Average contacts per company

11-50Median size (employees)

29.4%Largest-city concentration · Athens

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured worldwide rather than for Greece, so it is reported there. Company counts and contact totals on this page are exact for Greece, over 68 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among managed security services for industrial operations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Greece whose own description of what they do matches “managed security services for industrial operations”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names managed security services for industrial operations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among managed security services for industrial operations, and records with no verified work email. Companies headquartered outside Greece are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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: Every listed company carries at least one verified work email, 338 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names managed security services for industrial operations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many managed security services for industrial operations are there based in Greece?

RevenueBase identified 68 managed security services for industrial operations headquartered in Greece as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Neurosoft, headquartered in Greece, tops this list with the largest team on record.

Which city has the most managed security services for industrial operations?

Athens leads with 20 headquartered companies, followed by Agios Stefanos (1) and Attica (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 338 verified decision-maker contacts tracked across these 68 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.