Company lists · Data refreshed September 2026

Top 25 Business IT services based in Greece

Name: Business IT services based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 271 companies tracked

RevenueBase identified 271 business IT services headquartered in Greece as of September 2026 and tracks 4,119 professional contacts across them, including 1,818 with verified work emails and 71 with mobile numbers. Athens is the largest hub.

This list covers business IT services headquartered in Greece, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 23, 2026.

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

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 23, 2026 86% judged on-target in blind review

271Companies

4,119Contacts tracked

1,818Verified emails

71Mobile numbers

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The 25 largest business IT services based in Greece

Ranked by team size

Top 25 of 271 business IT services based in Greece, ranked by team size, largest first. Data refreshed Sep 23, 2026. RevenueBase Smart Search rates how each company's information relates to business IT services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Accenture Greece	Indirect evidence	Kifisia, GreeceHQ checked Sep 23, 2026	1,001-5,000	1,171 contacts →
	Indirect evidence “Η Accenture είναι ηγέτιδα εταιρεία παροχής συμβουλευτικών υπηρεσιών σε παγκόσμιο επίπεδο, δημιουργώντας απτή αξία με ταχύτητα και σε μεγάλη κλίμακα.” Source: RevenueBase Database · checked Sep 23, 2026
2	Cognity	Indirect evidence	Athens, GreeceHQ checked Sep 23, 2026	201-500	397 contacts →
	Indirect evidence “Cognity is the Digital Enabler of the leading Telecommunications, Financial Services and Retail organisations in Europe, Middle East and South Africa.” Source: RevenueBase Database · checked Sep 23, 2026
3	Performance Technologies S.A	Indirect evidence	Athens, GreeceHQ checked Sep 23, 2026	201-500	227 contacts →
	Indirect evidence “Performance Technologies is a trusted partner for organizations redefining themselves through digital transformation.” Source: RevenueBase Database · checked Sep 23, 2026
4	Inttrust S.A	Strong evidence	Ag. Paraskevi, GreeceHQ checked Sep 23, 2026	51-200	146 contacts →
	Strong evidence “Established in 2006, InTTrust is an IT Consulting, Technology and Digital solutions and services provider.” Source: RevenueBase Database · checked Sep 23, 2026
5	Upcominds	Strong evidence	Dafni, GreeceHQ checked Sep 23, 2026	201-500	145 contacts →
	Strong evidence “UpcoMinds is a dynamic Information Technology company that provides Managed IT Services, Mobile Apps (IOS, Android), IT Consulting and Support, Software Architecture & Design…” Source: RevenueBase Database · checked Sep 23, 2026
6	Sportion	Indirect evidence	Athens, GreeceHQ checked Sep 23, 2026	51-200	119 contacts →
	Indirect evidence “Sportion is a promising and rapid developing company operating in multiple markets and regions.” Source: RevenueBase Database · checked Sep 23, 2026
7	Priority	Strong evidence	Lykovrissi, GreeceHQ checked Sep 23, 2026	51-200	113 contacts →
	Strong evidence “Founded in 1995, PRIORITY SA has become a leading consulting firm in Greece, specializing in Management, IT and Training.” Source: RevenueBase Database · checked Sep 23, 2026
8	Bewise	Strong evidence	Chalandri, GreeceHQ checked Sep 23, 2026	51-200	92 contacts →
	Strong evidence “BEWISE is an established team of dedicated IT professionals combining years of technical and business experience.” Source: RevenueBase Database · checked Sep 23, 2026
9	Active Computer Systems S.A	Indirect evidence	Athens, GreeceHQ checked Sep 23, 2026	51-200	92 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 23, 2026
10	Infinitum S.A	Strong evidence	Lykovrysi, GreeceHQ checked Sep 23, 2026	51-200	90 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 23, 2026
11	Innovation Technology And Management Consultants	Indirect evidence	Marousi, GreeceHQ checked Sep 23, 2026	n/a	81 contacts →
	Indirect evidence “ITMC S.A.” Source: RevenueBase Database · checked Sep 23, 2026
12	Syntax IT Group	Strong evidence	Athens, GreeceHQ checked Sep 23, 2026	51-200	79 contacts →
	Strong evidence “SYNTAX is a software, consulting, onsite & outsource IT services pioneer, operating from its Athens headquarters in Greece & EU, and in the Arabian Gulf from its affiliates SYNTAX…” Source: RevenueBase Database · checked Sep 23, 2026
13	Office Line SA	Indirect evidence	Ag. Dimitrios, GreeceHQ checked Sep 23, 2026	51-200	69 contacts →
	Indirect evidence “Office Line S.A is an internationally recognized leading Cloud Solutions Provider and Digital Transformation company, empowering customers’ specific business requirements, while…” Source: RevenueBase Database · checked Sep 23, 2026
14	Softweb Adaptive I.T. Solutions	Indirect evidence	Thessaloniki, GreeceHQ checked Sep 23, 2026	51-200	59 contacts →
	Indirect evidence “Welcome to Softweb Adaptive I.T.” Source: RevenueBase Database · checked Sep 23, 2026
15	Logismos S.A	Indirect evidence	Salonica, GreeceHQ checked Sep 23, 2026	11-50	44 contacts →
	Indirect evidence “Business development” Source: RevenueBase Database · checked Sep 23, 2026
16	Advisable	Indirect evidence	Athens, GreeceHQ checked Sep 23, 2026	11-50	39 contacts →
	Indirect evidence “Advisable began its journey in 2015 as a Digital Agency, specializing in website construction and promotion.” Source: RevenueBase Database · checked Sep 23, 2026
17	Data Noesis	Indirect evidence	Άγιοι Ανάργυροι, GreeceHQ checked Sep 23, 2026	11-50	35 contacts →
	Indirect evidence “Data Noesis follows a market-oriented approach in order to drive each customer in a digital transformation journey, with innovative solutions and professional services.” Source: RevenueBase Database · checked Sep 23, 2026
18	Blend Technologies	Indirect evidence	Athens, GreeceHQ checked Sep 23, 2026	51-200	34 contacts →
	Indirect evidence “Complexity shouldn’t be a barrier to growth.” Source: RevenueBase Database · checked Sep 23, 2026
19	Allweb Solutions SA	Indirect evidence	Chalkida, GreeceHQ checked Sep 23, 2026	11-50	26 contacts →
	Indirect evidence “Allweb’s experience in the field of Information technology Industry begun in 1989, but its real growth started at the end of the year when the company started its reorganization…” Source: RevenueBase Database · checked Sep 23, 2026
20	Systecom S.A	Indirect evidence	Metamorfosi, GreeceHQ checked Sep 23, 2026	11-50	25 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 23, 2026
21	Evolutionprojects	Indirect evidence	Ilioúpolis, GreeceHQ checked Sep 23, 2026	11-50	21 contacts →
	Indirect evidence “Technology - Consulting - Communication” Source: RevenueBase Database · checked Sep 23, 2026
22	Pentasoft Consulting M.A.E	Indirect evidence	Thermi, GreeceHQ checked Sep 23, 2026	11-50	21 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 23, 2026
23	Vertoyo	Indirect evidence	Maroussi, GreeceHQ checked Sep 23, 2026	11-50	20 contacts →
	Indirect evidence “We design, develop, implement and support innovative end-to-end solutions.” Source: RevenueBase Database · checked Sep 23, 2026
24	Dwhite	Strong evidence	Thessaloniki, GreeceHQ checked Sep 23, 2026	11-50	20 contacts →
	Strong evidence “DWHITE is one of the few IT companies in Greece that provide services to a full range of Networking applications at 100% customised level, both functionally and creatively.” Source: RevenueBase Database · checked Sep 23, 2026
25	Binarytree	Strong evidence	Metamorfosi, GreeceHQ checked Sep 23, 2026	11-50	19 contacts →
	Strong evidence “Binary Tree was founded by professionals with notable presence in the Greek Information Technology scene, with the purpose of providing solutions to IT implementation and IT…” Source: RevenueBase Database · checked Sep 23, 2026

RevenueBase Smart Search

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

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

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

Showing 25 of 271 business IT services based in Greece

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Business IT services based in Greece at a glance

As of Sep 23, 2026

44.1%Verified-email coverage

1.7%Mobile-number coverage

15.2Average contacts per company

1-10Median size (employees)

28.4%Largest-city concentration · Athens

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

186

11-50

51-200

201-500

1,001-5,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

1,3020–30

48631–60

2061–90

090–180

10180+

Company record updated

Median 68.0d

00–30

1,41131–60

1,73161–90

80090–180

177180+

How this list was built

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

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Greece whose own description of what they do matches “business IT services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names business IT services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among business IT services, and records with no verified work email. Companies headquartered outside Greece are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 1,818 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 23, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

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

How many business IT services are there based in Greece?

RevenueBase identified 271 business IT services headquartered in Greece as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

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

Which city has the most business IT services?

Athens leads with 77 headquartered companies, followed by Thessaloniki (11) and Attica (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,818 verified decision-maker contacts tracked across these 271 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 23, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.