Company lists · Data refreshed September 2026
Top 25 Cybersecurity consultancies based in Greece
RevenueBase identified 185 company matches for cybersecurity consultancies associated with Greece as of September 2026 and tracks 2,262 professional contacts across them, including 806 with verified work emails and 43 with mobile numbers. Athens is the largest hub.
This list covers company matches for cybersecurity consultancies 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 September 24, 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.
The 25 largest cybersecurity consultancies based in Greece
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 442 contacts → | ||||
Exact match “Founded in 1985, Space Hellas is a leading system integrator that offers a comprehensive range of integrated ICT and security solutions and services complemented by after-sales…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 2 | 270 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 3 | 194 contacts → | ||||
Exact match “CENSUS is a cybersecurity engineering powerhouse.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 4 | 159 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 · Sep 24, 2026 · View company records in RevenueBase | |||||
| 5 | 109 contacts → | ||||
Exact match “Algosystems is a reliable and dynamic Systems Integrator / Service Provider, active in ICT & Cyber Security, Automation and Metrology.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 6 | 30 contacts → | ||||
Exact match “Corporate ICT Solutions & Maritime ICT Solutions Certified for Cybersecurity by IACS members and Flag States.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 7 | 25 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 · Sep 24, 2026 · View company records in RevenueBase | |||||
| 8 | 20 contacts → | ||||
Exact match “With constant integration of technology in every aspect of an organisation, information security is something that everyone needs.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “At ThreatScene, we are committed to setting new standards in cybersecurity by delivering exceptional, high-quality services designed to protect your most valuable digital assets.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “At Define Solutions, we put your business needs and goals first, in order to deliver tailored solutions that drive growth and streamline operations.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 11 | 17 contacts → | ||||
Exact match “100+ years of combined experience.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “Founded in 1988, INTERSTAR Security is offering a broad array of customized, high quality, integrated consulting and security services.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 13 | 17 contacts → | ||||
Exact match “Alphabit is an expert Cybersecurity services provider.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “Accutech is a state-of-the-art, customer-centric IT, digital transformation and advanced solutions company based in Athens, Greece, operating in Europe and Greece and…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 15 | 16 contacts → | ||||
Exact match “Since its beginning, ESET cybersecurity software has empowered people to use IT to improve their lives and grow their businesses.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 16 | 15 contacts → | ||||
Exact match “Reduce cybersecurity risk proactively by identifying security gaps and vulnerabilities before they can be exploited by malicious actors.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 17 | 15 contacts → | ||||
Exact match “We are a leading provider of Governance, Risk & Compliance (GRC) services, Cyber Security solutions, Managed Security services, Certification Training and Awareness programs…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 18 | 15 contacts → | ||||
Exact match “Alpha Omega Zed is a company with a portfolio of solutions including digital transformation and information systems development, e-learning and e-training and cyber security…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match “Η XGate προσφέρει ένα σύνολο υπηρεσιών ολιστικού ελέγχου ασφάλειας πληροφοριακών συστημάτων, που δεν στηρίζεται μόνο σε έτοιμα, γνωστά, αυτοματοποιημένα μοντέλα, αλλά κυρίως σε…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 20 | 13 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 · Sep 24, 2026 · View company records in RevenueBase | |||||
| 21 | 12 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 · Sep 24, 2026 · View company records in RevenueBase | |||||
| 22 | 12 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 · Sep 24, 2026 · View company records in RevenueBase | |||||
| 23 | 12 contacts → | ||||
Exact match “Our Company comprises of IT and Law Experts - Certified DPOs.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 24 | 11 contacts → | ||||
Exact match “We are here to jointly understand and address in practice how Cybersecurity can be a business enabler- Providing Cybersecurity services, industry-specific, vendor neutral and…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match “Vexillum Security was established to provide consulting services in the field of security in companies, organizations and individuals.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “cybersecurity consultancies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 185 cybersecurity consultancies based in Greece
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Cybersecurity consultancies based in Greece at a glance
As of Sep 24, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 26.0dCompany record updated
Median 77.0dHow 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 “cybersecurity consultancies” 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 806 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 September 24, 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.
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 “cybersecurity consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cybersecurity consultancies are there based in Greece?
RevenueBase identified 185 company matches for cybersecurity consultancies associated with Greece as of September 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?
Space Hellas S.A tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cybersecurity consultancies?
Athens leads with 63 company records, followed by Thessaloniki (8) and Greece (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 806 professional contacts with verified work emails tracked across these 185 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 September 24, 2026.
Ready to reach these companies? Verified emails and direct dials for all 185 cybersecurity consultancies based in Greece. Start with a free account, no credit card.
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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.
More company lists
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- New lists
- Cybersecurity consultancies based in the United States
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Company intelligence · public preview
Top 25 cybersecurity consultancies based in Greece
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 185 matching company records for cybersecurity consultancies based in Greece, with 2,262 tracked contacts and 806 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 24, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cybersecurity consultancies based in Greece
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Space Hellas S.Aspace.grHQ: Ag. Paraskevi, GreeceReported employees: 501-1,000 | Ag. Paraskevi, Greece | 501-1,000 | Exact match | 442 contacts → |
“Founded in 1985, Space Hellas is a leading system integrator that offers a comprehensive range of integrated ICT and security solutions and services complemented by after-sales…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Neurosoftneurosoft.grHQ: Irakleio, GreeceReported employees: 201-500 | Irakleio, Greece | 201-500 | Exact match | 270 contacts → |
“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…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Censuscensus-labs.comHQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 194 contacts → |
“CENSUS is a cybersecurity engineering powerhouse.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Adacomadacom.comHQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 159 contacts → |
“ADACOM, a Byte subsidiary, enables security online for Financial Institutions, Telecom Operators, Governments and Large Organizations, in more than 30 countries in EMEA.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Algosystems S.Aalgosystems.grHQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 109 contacts → |
“Algosystems is a reliable and dynamic Systems Integrator / Service Provider, active in ICT & Cyber Security, Automation and Metrology.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  IQ Solutions SAiqsolutions.grHQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 30 contacts → |
“Corporate ICT Solutions & Maritime ICT Solutions Certified for Cybersecurity by IACS members and Flag States.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Systecom S.Asystecom.grHQ: Metamorfosi, GreeceReported employees: 11-50 | Metamorfosi, Greece | 11-50 | Exact match | 25 contacts → |
“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 description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Twelvesectwelvesec.comHQ: Chalandri, GreeceReported employees: 11-50 | Chalandri, Greece | 11-50 | Exact match | 20 contacts → |
“With constant integration of technology in every aspect of an organisation, information security is something that everyone needs.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Threatscenethreatscene.comHQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 20 contacts → |
“At ThreatScene, we are committed to setting new standards in cybersecurity by delivering exceptional, high-quality services designed to protect your most valuable digital assets.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Define Solutions S.Adefine.grHQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 19 contacts → |
“At Define Solutions, we put your business needs and goals first, in order to deliver tailored solutions that drive growth and streamline operations.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  DTI Solutionsdti-solutions.comHQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 17 contacts → |
“100+ years of combined experience.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Interstar Securityinterstar.grHQ: Metamorfosi, GreeceReported employees: 51-200 | Metamorfosi, Greece | 51-200 | Exact match | 17 contacts → |
“Founded in 1988, INTERSTAR Security is offering a broad array of customized, high quality, integrated consulting and security services.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Alphabit Cybersecurityalphabit.grHQ: Khalándrion, GreeceReported employees: 11-50 | Khalándrion, Greece | 11-50 | Exact match | 17 contacts → |
“Alphabit is an expert Cybersecurity services provider.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Accutech S.Aaccutech.grHQ: Agios Dimitrios, GreeceReported employees: 11-50 | Agios Dimitrios, Greece | 11-50 | Exact match | 16 contacts → |
“Accutech is a state-of-the-art, customer-centric IT, digital transformation and advanced solutions company based in Athens, Greece, operating in Europe and Greece and…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Eset Greece, Cyprus & Maltaeset.comHQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 16 contacts → |
“Since its beginning, ESET cybersecurity software has empowered people to use IT to improve their lives and grow their businesses.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cenobe Cybersecuritycenobe.comHQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 15 contacts → |
“Reduce cybersecurity risk proactively by identifying security gaps and vulnerabilities before they can be exploited by malicious actors.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Besecurebesecuregroup.comHQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 15 contacts → |
“We are a leading provider of Governance, Risk & Compliance (GRC) services, Cyber Security solutions, Managed Security services, Certification Training and Awareness programs…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Alphaomegazed SAalphaomegazed.comHQ: Athens, GreeceReported employees: 1-10 | Athens, Greece | 1-10 | Exact match | 15 contacts → |
“Alpha Omega Zed is a company with a portfolio of solutions including digital transformation and information systems development, e-learning and e-training and cyber security…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Xgate Solutionsxgate.grHQ: Kallithéa, GreeceReported employees: 11-50 | Kallithéa, Greece | 11-50 | Exact match | 13 contacts → |
“Η XGate προσφέρει ένα σύνολο υπηρεσιών ολιστικού ελέγχου ασφάλειας πληροφοριακών συστημάτων, που δεν στηρίζεται μόνο σε έτοιμα, γνωστά, αυτοματοποιημένα μοντέλα, αλλά κυρίως σε…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Corenetworkscorenetworks.grHQ: Marousi, GreeceReported employees: 11-50 | Marousi, Greece | 11-50 | Exact match | 13 contacts → |
“Based in #Athens, Greece #CoreNetworks Information Technology & Services specializes in progressive and forward-thinking solutions within the public and private sectors.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Cyber Noesiscybernoesis.comHQ: Agios Dimitrios, GreeceReported employees: 11-50 | Agios Dimitrios, Greece | 11-50 | Exact match | 12 contacts → |
“CyberNoesis was established in 2015 by cyber security specialists with extensive experience in enterprise, industrial and telecommunications sectors.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Geniusnet SAgeniusnet.grHQ: Chalandri Athens, GreeceReported employees: 11-50 | Chalandri Athens, Greece | 11-50 | Exact match | 12 contacts → |
“GeniusNet SA is a High tech Cybersecurity and Smart security Company specialized on Supporting your business!” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Computer Studio S.Acomputerstudio.grHQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 12 contacts → |
“Our Company comprises of IT and Law Experts - Certified DPOs.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cyberflipcyberflip.euHQ: Athens, GreeceReported employees: 1-10 | Athens, Greece | 1-10 | Exact match | 11 contacts → |
“We are here to jointly understand and address in practice how Cybersecurity can be a business enabler- Providing Cybersecurity services, industry-specific, vendor neutral and…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Vexillum Security Servicesvexillumsecurity.grHQ: Piraeus, GreeceReported employees: 11-50 | Piraeus, Greece | 11-50 | Exact match | 11 contacts → |
“Vexillum Security was established to provide consulting services in the field of security in companies, organizations and individuals.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 185 company matches
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Cybersecurity consultancies: dataset insights
September 24, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
185 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 26.0dCompany record updated
Median 77.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 24, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for cybersecurity consultancies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cybersecurity consultancies did RevenueBase find based in Greece?
The saved snapshot records 185 matching company records, 2,262 tracked contacts and 806 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 24, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cybersecurity consultancies by geography
- Cybersecurity consultancies based in the United States
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- Cybersecurity consultancies based in France
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- Cybersecurity consultancies based in Australia
- Cybersecurity consultancies based in Canada
- Cybersecurity consultancies based in Germany
- Cybersecurity consultancies based in Italy
- Cybersecurity consultancies based in the Netherlands
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 cybersecurity consultancies based in Greece. Snapshot: September 24, 2026. https://revenuebase.ai/companies/cybersecurity-consultancies/greece.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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Company intelligence · public preview
Top 25 cybersecurity consultancies based in Greece
RevenueBase records 185 matching company records for cybersecurity consultancies based in Greece, with 2,262 tracked contacts and 806 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 24, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cybersecurity consultancies based in Greece
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Space Hellas S.Aspace.gr HQ: Ag. Paraskevi, GreeceReported employees: 501-1,000 | Ag. Paraskevi, Greece | 501-1,000 | Exact match | 442 contacts → |
“Founded in 1985, Space Hellas is a leading system integrator that offers a comprehensive range of integrated ICT and security solutions and services complemented by after-sales…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Neurosoftneurosoft.gr HQ: Irakleio, GreeceReported employees: 201-500 | Irakleio, Greece | 201-500 | Exact match | 270 contacts → |
“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…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Censuscensus-labs.com HQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 194 contacts → |
“CENSUS is a cybersecurity engineering powerhouse.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Adacomadacom.com HQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 159 contacts → |
“ADACOM, a Byte subsidiary, enables security online for Financial Institutions, Telecom Operators, Governments and Large Organizations, in more than 30 countries in EMEA.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Algosystems S.Aalgosystems.gr HQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 109 contacts → |
“Algosystems is a reliable and dynamic Systems Integrator / Service Provider, active in ICT & Cyber Security, Automation and Metrology.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | IQ Solutions SAiqsolutions.gr HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 30 contacts → |
“Corporate ICT Solutions & Maritime ICT Solutions Certified for Cybersecurity by IACS members and Flag States.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Systecom S.Asystecom.gr HQ: Metamorfosi, GreeceReported employees: 11-50 | Metamorfosi, Greece | 11-50 | Exact match | 25 contacts → |
“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 description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Twelvesectwelvesec.com HQ: Chalandri, GreeceReported employees: 11-50 | Chalandri, Greece | 11-50 | Exact match | 20 contacts → |
“With constant integration of technology in every aspect of an organisation, information security is something that everyone needs.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Threatscenethreatscene.com HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 20 contacts → |
“At ThreatScene, we are committed to setting new standards in cybersecurity by delivering exceptional, high-quality services designed to protect your most valuable digital assets.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Define Solutions S.Adefine.gr HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 19 contacts → |
“At Define Solutions, we put your business needs and goals first, in order to deliver tailored solutions that drive growth and streamline operations.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | DTI Solutionsdti-solutions.com HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 17 contacts → |
“100+ years of combined experience.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Interstar Securityinterstar.gr HQ: Metamorfosi, GreeceReported employees: 51-200 | Metamorfosi, Greece | 51-200 | Exact match | 17 contacts → |
“Founded in 1988, INTERSTAR Security is offering a broad array of customized, high quality, integrated consulting and security services.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Alphabit Cybersecurityalphabit.gr HQ: Khalándrion, GreeceReported employees: 11-50 | Khalándrion, Greece | 11-50 | Exact match | 17 contacts → |
“Alphabit is an expert Cybersecurity services provider.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Accutech S.Aaccutech.gr HQ: Agios Dimitrios, GreeceReported employees: 11-50 | Agios Dimitrios, Greece | 11-50 | Exact match | 16 contacts → |
“Accutech is a state-of-the-art, customer-centric IT, digital transformation and advanced solutions company based in Athens, Greece, operating in Europe and Greece and…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Eset Greece, Cyprus & Maltaeset.com HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 16 contacts → |
“Since its beginning, ESET cybersecurity software has empowered people to use IT to improve their lives and grow their businesses.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cenobe Cybersecuritycenobe.com HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 15 contacts → |
“Reduce cybersecurity risk proactively by identifying security gaps and vulnerabilities before they can be exploited by malicious actors.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Besecurebesecuregroup.com HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 15 contacts → |
“We are a leading provider of Governance, Risk & Compliance (GRC) services, Cyber Security solutions, Managed Security services, Certification Training and Awareness programs…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Alphaomegazed SAalphaomegazed.com HQ: Athens, GreeceReported employees: 1-10 | Athens, Greece | 1-10 | Exact match | 15 contacts → |
“Alpha Omega Zed is a company with a portfolio of solutions including digital transformation and information systems development, e-learning and e-training and cyber security…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Xgate Solutionsxgate.gr HQ: Kallithéa, GreeceReported employees: 11-50 | Kallithéa, Greece | 11-50 | Exact match | 13 contacts → |
“Η XGate προσφέρει ένα σύνολο υπηρεσιών ολιστικού ελέγχου ασφάλειας πληροφοριακών συστημάτων, που δεν στηρίζεται μόνο σε έτοιμα, γνωστά, αυτοματοποιημένα μοντέλα, αλλά κυρίως σε…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Corenetworkscorenetworks.gr HQ: Marousi, GreeceReported employees: 11-50 | Marousi, Greece | 11-50 | Exact match | 13 contacts → |
“Based in #Athens, Greece #CoreNetworks Information Technology & Services specializes in progressive and forward-thinking solutions within the public and private sectors.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cyber Noesiscybernoesis.com HQ: Agios Dimitrios, GreeceReported employees: 11-50 | Agios Dimitrios, Greece | 11-50 | Exact match | 12 contacts → |
“CyberNoesis was established in 2015 by cyber security specialists with extensive experience in enterprise, industrial and telecommunications sectors.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Geniusnet SAgeniusnet.gr HQ: Chalandri Athens, GreeceReported employees: 11-50 | Chalandri Athens, Greece | 11-50 | Exact match | 12 contacts → |
“GeniusNet SA is a High tech Cybersecurity and Smart security Company specialized on Supporting your business!” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Computer Studio S.Acomputerstudio.gr HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 12 contacts → |
“Our Company comprises of IT and Law Experts - Certified DPOs.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cyberflipcyberflip.eu HQ: Athens, GreeceReported employees: 1-10 | Athens, Greece | 1-10 | Exact match | 11 contacts → |
“We are here to jointly understand and address in practice how Cybersecurity can be a business enabler- Providing Cybersecurity services, industry-specific, vendor neutral and…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Vexillum Security Servicesvexillumsecurity.gr HQ: Piraeus, GreeceReported employees: 11-50 | Piraeus, Greece | 11-50 | Exact match | 11 contacts → |
“Vexillum Security was established to provide consulting services in the field of security in companies, organizations and individuals.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 185 company matches
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Cybersecurity consultancies: dataset insights
September 24, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
185 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 26.0dCompany record updated
Median 77.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 24, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for cybersecurity consultancies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cybersecurity consultancies did RevenueBase find based in Greece?
The saved snapshot records 185 matching company records, 2,262 tracked contacts and 806 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 24, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 cybersecurity consultancies based in Greece. Snapshot: September 24, 2026. https://revenuebase.ai/companies/cybersecurity-consultancies/greece.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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