Company lists · Data refreshed November 2026

Top 25 Secure infrastructure providers based in Greece

RevenueBase identified 84 company matches for secure infrastructure providers associated with Greece as of November 2026 and tracks 1,065 professional contacts across them, including 495 with verified work emails. Athens is the largest hub.

This list covers company matches for secure infrastructure providers associated with Greece, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
84Companies
1,065Contacts tracked
495Verified emails
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The 25 largest secure infrastructure providers based in Greece

Ranked by team size
Top 25 of 84 company matches for secure infrastructure providers based in Greece, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAthens, GreeceHQ recorded Nov 6, 202651-200175 contacts →

Exact match

“ADACOM, a Byte subsidiary, enables security online for Financial Institutions, Telecom Operators, Governments and Large Organizations, in more than 30 countries in EMEA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLykovrysi, GreeceHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“Infinitum SA is a value added IT solutions provider - Systems Integrator.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAthens, GreeceHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“SmartNS Technological S.A, founded in 2004 and headquartered in Athens, Greece, is a trusted leader in IT infrastructure design and implementation, security, and automation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchThessaloniki, GreeceHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“BlueStream Solutions S.A, a Byte subsidiary, is an established, rapidly growing managed services provider, offering both on-premise and multi-cloud infrastructure as well as cloud…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAthens, GreeceHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Complexity shouldn’t be a barrier to growth.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMetamorfosi, GreeceHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Our company's structure is based on a modern and flexible model ensuring adaptation in running developments but also in continuous requirements and needs of our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAthens, GreeceHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Most organisations learn where they are exposed after the breach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAthens, GreeceHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Microbase is a Greek company that provides Integrated Communication Solutions, with dedication to the evolution of Technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChalandri, GreeceHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“30 years of success and Clients TRUST we earn every single day!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChalandri Athens, GreeceHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“GeniusNet SA is a High tech Cybersecurity and Smart security Company specialized on Supporting your business!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKhalándrion, GreeceHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Alphabit is an expert Cybersecurity services provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMarousi, GreeceHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Based in #Athens, Greece #CoreNetworks Information Technology & Services specializes in progressive and forward-thinking solutions within the public and private sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAgios Dimitrios, GreeceHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“CyberNoesis was established in 2015 by cyber security specialists with extensive experience in enterprise, industrial and telecommunications sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNea Smyrni, GreeceHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Με σχεδόν 30 χρόνια παρουσίας, η Cysoft υποστηρίζει οργανισμούς όλων των μεγεθών στον ιδιωτικό, τραπεζικό και δημόσιο τομέα.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAgios Dimitrios, GreeceHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Welcome to our page!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAthens, GreeceHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Started in is now one of the leading companies in managed security services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAthens, GreeceHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Established in 2024, TÜV AUSTRIA Trust IT stands as a subsidiary of TÜV AUSTRIA, specializing in comprehensive information security and IT-related services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAthens, GreeceHQ recorded Nov 6, 202651-2006 contacts →

Exact match

“Our mission statement illustrates our company culture: Ovit personnel provide Superior Security Services tailored specifically to the requirements of each individual or client's…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAthens, GreeceHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Accessit is a dynamically developing company that provides integrated solutions in the field of Internet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPallini, GreeceHQ recorded Nov 6, 20261-106 contacts →

Exact match

“The AREBAS founded in 2013 and began its activities in the IT sector the purpose of the company is to promote high end technology and the aim to provide modern and innovative…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGerakas, GreeceHQ recorded Nov 6, 20261-105 contacts →

Exact match

“EASY SYSTEMS was established at the end of 2008, from an expertise team coming from the banking sector, specializing in Information Systems and Telecoms, with experience in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAthens, GreeceHQ recorded Nov 6, 20261-105 contacts →

Exact match

“At HEADNET, we deliver advanced networking and cybersecurity solutions designed to meet your unique business needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchGreeceHQ recorded Nov 6, 20261-104 contacts →

Exact match

“PeS Cybersecurity, your trusted partner in safeguarding your digital domain, born from the dynamic collaboration between two industry leaders, Pylones Hellas, and eSafe, brings…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchChalandri, GreeceHQ recorded Nov 6, 20261-103 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchEllinikó, GreeceHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Η CyberX, ιδρύθηκε με στόχο να προσφέρει καινοτόμες υπηρεσίες Ασφάλειας Πληροφοριακών Συστημάτων (Information Security Services & Cyber Security Services), χτίζοντας μία ασπίδα…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 84 secure infrastructure providers based in Greece

See the full list, filter by size, metro and specialty, and access 495 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Secure infrastructure providers based in Greece at a glance

As of Nov 6, 2026
46.5%Verified-email coverage
12.7Average contacts per company
1-10Median size (employees)
34.5%Largest-city concentration · Athens
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
48
11-50
27
51-200
9

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 84 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Greece whose business descriptions match “secure infrastructure providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 495 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Secure infrastructure providers by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “secure infrastructure providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many secure infrastructure providers are there based in Greece?

RevenueBase identified 84 company matches for secure infrastructure providers associated with Greece as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Adacom tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most secure infrastructure providers?

Athens leads with 29 company records, followed by Thessaloniki (5) and Attica (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 495 professional contacts with verified work emails tracked across these 84 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.