Company lists · Data refreshed September 2026
Top 25 IT infrastructure and security companies based in Greece
RevenueBase identified 187 company matches for IT infrastructure and security companies associated with Greece as of September 2026 and tracks 2,383 professional contacts across them, including 998 with verified work emails and 45 with mobile numbers. Athens is the largest hub.
This list covers company matches for IT infrastructure and security companies 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 27, 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 IT infrastructure and security companies 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 27, 2026 · View company records in RevenueBase | |||||
| 2 | 227 contacts → | ||||
Exact match “Performance Technologies is a trusted partner for organizations redefining themselves through digital transformation.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 194 contacts → | ||||
Exact match “CENSUS is a cybersecurity engineering powerhouse.” Recorded in the RevenueBase company graph · Sep 27, 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 27, 2026 · View company records in RevenueBase | |||||
| 5 | 92 contacts → | ||||
Exact match “BEWISE is an established team of dedicated IT professionals combining years of technical and business experience.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 92 contacts → | ||||
Exact match “Reaching 30 years of operation, Active is today among the largest Greek technology providers, reinforced by well-established partnerships with the world’s largest technology…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 90 contacts → | ||||
Exact match “Established in 1991, Infinitum, a healthy and growing organization, boasts more than 30 years of expertise in the area of IT services and strong, rewarding relationships with…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 69 contacts → | ||||
Exact match “Office Line S.A is an internationally recognized leading Cloud Solutions Provider and Digital Transformation company, empowering customers’ specific business requirements, while…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 49 contacts → | ||||
Exact match “Technology Consulting” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 43 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 38 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 35 contacts → | ||||
Exact match “Data Noesis follows a market-oriented approach in order to drive each customer in a digital transformation journey, with innovative solutions and professional services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 34 contacts → | ||||
Exact match “Complexity shouldn’t be a barrier to growth.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 31 contacts → | ||||
Exact match “noris offers companies customized IT solutions in the areas of IT outsourcing, Cloud Services and Network & Security.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 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 27, 2026 · View company records in RevenueBase | |||||
| 16 | 24 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 19 contacts → | ||||
Exact match “30 years of success and Clients TRUST we earn every single day!” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 18 contacts → | ||||
Exact match “Our services and solutions will transform your business through the management and implementation of new apps, platforms, architecture and tech.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 17 contacts → | ||||
Exact match “Alphabit is an expert Cybersecurity services provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 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 27, 2026 · View company records in RevenueBase | |||||
| 21 | 16 contacts → | ||||
Exact match “Netsquare is dealing with the design, installation and support of information systems and network infrastructures by proposing optimal customization taking into account the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 16 contacts → | ||||
Exact match “Nybble was founded in November 2015 and is landed in Athens, Greece.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 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 27, 2026 · View company records in RevenueBase | |||||
| 24 | 13 contacts → | ||||
Exact match “Valued IT Solutions partner providing services and consulting in the areas of Hybrid Cloud, Networks, Integrated solutions for Disaster Recovery and Business Operations.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 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 27, 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 “IT infrastructure and security companies”. 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 187 IT infrastructure and security companies based in Greece
See the full list, filter by size, metro and specialty, and access 998 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT infrastructure and security companies based in Greece at a glance
As of Sep 27, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 29.0dCompany record updated
Median 80.0dHow 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 “IT infrastructure and security companies” 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 998 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 27, 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 “IT infrastructure and security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT infrastructure and security companies are there based in Greece?
RevenueBase identified 187 company matches for IT infrastructure and security companies 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 IT infrastructure and security companies?
Athens leads with 59 company records, followed by Thessaloniki (6) and Attica (5).
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 998 professional contacts with verified work emails tracked across these 187 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 187 IT infrastructure and security companies 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
- IT infrastructure and security companies based in the United States
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Company intelligence · public preview
Top 25 IT infrastructure and security companies 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 187 matching company records for IT infrastructure and security companies based in Greece, with 2,383 tracked contacts and 998 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 27, 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 IT infrastructure and security companies 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Performance Technologies S.Aperformance.grHQ: Athens, GreeceReported employees: 201-500 | Athens, Greece | 201-500 | Exact match | 227 contacts → |
“Performance Technologies is a trusted partner for organizations redefining themselves through digital transformation.” Recorded description excerpt · September 27, 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 27, 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Bewisebewise.grHQ: Chalandri, GreeceReported employees: 51-200 | Chalandri, Greece | 51-200 | Exact match | 92 contacts → |
“BEWISE is an established team of dedicated IT professionals combining years of technical and business experience.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Active Computer Systems S.Aactive.grHQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 92 contacts → |
“Reaching 30 years of operation, Active is today among the largest Greek technology providers, reinforced by well-established partnerships with the world’s largest technology…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Infinitum S.Ainfinitum.grHQ: Lykovrysi, GreeceReported employees: 51-200 | Lykovrysi, Greece | 51-200 | Exact match | 90 contacts → |
“Established in 1991, Infinitum, a healthy and growing organization, boasts more than 30 years of expertise in the area of IT services and strong, rewarding relationships with…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Office Line SAofficeline.grHQ: Ag. Dimitrios, GreeceReported employees: 51-200 | Ag. Dimitrios, Greece | 51-200 | Exact match | 69 contacts → |
“Office Line S.A is an internationally recognized leading Cloud Solutions Provider and Digital Transformation company, empowering customers’ specific business requirements, while…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Wizz ITwizzit.grHQ: Cholargos, GreeceReported employees: 11-50 | Cholargos, Greece | 11-50 | Exact match | 49 contacts → |
“Technology Consulting” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Smartns Technological S.Asmartns.grHQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 43 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Bluestream Solutions S.Abluestream.grHQ: Thessaloniki, GreeceReported employees: 11-50 | Thessaloniki, Greece | 11-50 | Exact match | 38 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Data Noesisdatanoesis.grHQ: Άγιοι Ανάργυροι, GreeceReported employees: 11-50 | Άγιοι Ανάργυροι, Greece | 11-50 | Exact match | 35 contacts → |
“Data Noesis follows a market-oriented approach in order to drive each customer in a digital transformation journey, with innovative solutions and professional services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Blend Technologiesblendtechnologies.comHQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 34 contacts → |
“Complexity shouldn’t be a barrier to growth.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Noris Mikenoris.grHQ: Thessaloniki, GreeceReported employees: 11-50 | Thessaloniki, Greece | 11-50 | Exact match | 31 contacts → |
“noris offers companies customized IT solutions in the areas of IT outsourcing, Cloud Services and Network & Security.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Microbase Greecemicrobase.grHQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 24 contacts → |
“Microbase is a Greek company that provides Integrated Communication Solutions, with dedication to the evolution of Technology.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Precicom S.Aprecicom.grHQ: Chalandri, GreeceReported employees: 11-50 | Chalandri, Greece | 11-50 | Exact match | 19 contacts → |
“30 years of success and Clients TRUST we earn every single day!” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Fintechiqfintechiq.grHQ: Marousi, GreeceReported employees: 11-50 | Marousi, Greece | 11-50 | Exact match | 18 contacts → |
“Our services and solutions will transform your business through the management and implementation of new apps, platforms, architecture and tech.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Netsquare Corporationnetsquare.grHQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 16 contacts → |
“Netsquare is dealing with the design, installation and support of information systems and network infrastructures by proposing optimal customization taking into account the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 16 contacts → |
“Nybble was founded in November 2015 and is landed in Athens, Greece.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Solidity Technology Services S.Asolidity.grHQ: Maroussi, GreeceReported employees: 11-50 | Maroussi, Greece | 11-50 | Exact match | 13 contacts → |
“Valued IT Solutions partner providing services and consulting in the areas of Hybrid Cloud, Networks, Integrated solutions for Disaster Recovery and Business Operations.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 187 company matches
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IT infrastructure and security companies: dataset insights
September 27, 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
187 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 29.0dCompany record updated
Median 80.0dHow 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 27, 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 IT infrastructure and security companies?
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 IT infrastructure and security companies did RevenueBase find based in Greece?
The saved snapshot records 187 matching company records, 2,383 tracked contacts and 998 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 27, 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
IT infrastructure and security companies by geography
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- IT infrastructure and security companies based in the United Kingdom
- IT infrastructure and security companies based in Germany
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- IT infrastructure and security companies based in France
- IT infrastructure and security companies based in Australia
- IT infrastructure and security companies based in Italy
- IT infrastructure and security companies based in Spain
- IT infrastructure and security companies based in the Netherlands
- IT infrastructure and security companies based in South Africa
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Cite this list
RevenueBase Data Team. Top 25 IT infrastructure and security companies based in Greece. Snapshot: September 27, 2026. https://revenuebase.ai/companies/it-infrastructure-and-security-companies/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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Company intelligence · public preview
Top 25 IT infrastructure and security companies based in Greece
RevenueBase records 187 matching company records for IT infrastructure and security companies based in Greece, with 2,383 tracked contacts and 998 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 27, 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 IT infrastructure and security companies 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Performance Technologies S.Aperformance.gr HQ: Athens, GreeceReported employees: 201-500 | Athens, Greece | 201-500 | Exact match | 227 contacts → |
“Performance Technologies is a trusted partner for organizations redefining themselves through digital transformation.” Recorded description excerpt · September 27, 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 27, 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bewisebewise.gr HQ: Chalandri, GreeceReported employees: 51-200 | Chalandri, Greece | 51-200 | Exact match | 92 contacts → |
“BEWISE is an established team of dedicated IT professionals combining years of technical and business experience.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Active Computer Systems S.Aactive.gr HQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 92 contacts → |
“Reaching 30 years of operation, Active is today among the largest Greek technology providers, reinforced by well-established partnerships with the world’s largest technology…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Infinitum S.Ainfinitum.gr HQ: Lykovrysi, GreeceReported employees: 51-200 | Lykovrysi, Greece | 51-200 | Exact match | 90 contacts → |
“Established in 1991, Infinitum, a healthy and growing organization, boasts more than 30 years of expertise in the area of IT services and strong, rewarding relationships with…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Office Line SAofficeline.gr HQ: Ag. Dimitrios, GreeceReported employees: 51-200 | Ag. Dimitrios, Greece | 51-200 | Exact match | 69 contacts → |
“Office Line S.A is an internationally recognized leading Cloud Solutions Provider and Digital Transformation company, empowering customers’ specific business requirements, while…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Wizz ITwizzit.gr HQ: Cholargos, GreeceReported employees: 11-50 | Cholargos, Greece | 11-50 | Exact match | 49 contacts → |
“Technology Consulting” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Smartns Technological S.Asmartns.gr HQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 43 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bluestream Solutions S.Abluestream.gr HQ: Thessaloniki, GreeceReported employees: 11-50 | Thessaloniki, Greece | 11-50 | Exact match | 38 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Data Noesisdatanoesis.gr HQ: Άγιοι Ανάργυροι, GreeceReported employees: 11-50 | Άγιοι Ανάργυροι, Greece | 11-50 | Exact match | 35 contacts → |
“Data Noesis follows a market-oriented approach in order to drive each customer in a digital transformation journey, with innovative solutions and professional services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Blend Technologiesblendtechnologies.com HQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 34 contacts → |
“Complexity shouldn’t be a barrier to growth.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Noris Mikenoris.gr HQ: Thessaloniki, GreeceReported employees: 11-50 | Thessaloniki, Greece | 11-50 | Exact match | 31 contacts → |
“noris offers companies customized IT solutions in the areas of IT outsourcing, Cloud Services and Network & Security.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Microbase Greecemicrobase.gr HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 24 contacts → |
“Microbase is a Greek company that provides Integrated Communication Solutions, with dedication to the evolution of Technology.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Precicom S.Aprecicom.gr HQ: Chalandri, GreeceReported employees: 11-50 | Chalandri, Greece | 11-50 | Exact match | 19 contacts → |
“30 years of success and Clients TRUST we earn every single day!” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Fintechiqfintechiq.gr HQ: Marousi, GreeceReported employees: 11-50 | Marousi, Greece | 11-50 | Exact match | 18 contacts → |
“Our services and solutions will transform your business through the management and implementation of new apps, platforms, architecture and tech.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Netsquare Corporationnetsquare.gr HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 16 contacts → |
“Netsquare is dealing with the design, installation and support of information systems and network infrastructures by proposing optimal customization taking into account the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Athens, GreeceReported employees: 11-50 | Athens, Greece | 11-50 | Exact match | 16 contacts → |
“Nybble was founded in November 2015 and is landed in Athens, Greece.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Solidity Technology Services S.Asolidity.gr HQ: Maroussi, GreeceReported employees: 11-50 | Maroussi, Greece | 11-50 | Exact match | 13 contacts → |
“Valued IT Solutions partner providing services and consulting in the areas of Hybrid Cloud, Networks, Integrated solutions for Disaster Recovery and Business Operations.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 187 company matches
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IT infrastructure and security companies: dataset insights
September 27, 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
187 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 29.0dCompany record updated
Median 80.0dHow 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 27, 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 IT infrastructure and security companies?
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 IT infrastructure and security companies did RevenueBase find based in Greece?
The saved snapshot records 187 matching company records, 2,383 tracked contacts and 998 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 27, 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 IT infrastructure and security companies based in Greece. Snapshot: September 27, 2026. https://revenuebase.ai/companies/it-infrastructure-and-security-companies/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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