Company lists · Data verified August 2026

Top 25 Enterprise IT consulting firms based in Greece

Name: Enterprise IT consulting firms based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 316 companies tracked

There are 316 enterprise IT consulting firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 7,155 professional contacts across them, including 3,205 with verified work emails and 195 with mobile numbers. Athens is the largest hub.

This list covers enterprise IT consulting firms headquartered in Greece, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

316Companies

7,155Contacts tracked

3,205Verified emails

195Mobile numbers

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The 25 largest enterprise IT consulting firms based in Greece

Ranked by team size

Top 25 of 316 enterprise IT consulting firms based in Greece, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Adastra	Thessaloniki	1,001-5,000	1,572	872
2	Accenture Greece	Athens	1,001-5,000	1,177	529
3	Real Consulting	Chalandri	501-1,000	279	157
4	code.hub	n/a	201-500	242	133
5	Performance Technologies S.A	Athens	201-500	228	159
6	Teka Systems	Chalandri	201-500	214	127
7	Cosmos Business Systems	n/a	51-200	205	112
8	Census	Thermi Thessaloniki	51-200	184	46
9	Adacom	Thermi Thessaloniki	51-200	157	91
10	Ubitech	Athens	51-200	155	88
11	Inttrust S.A	n/a	51-200	146	90
12	Priority	Athens	51-200	113	70
13	Logicom Solutions	Marousi	51-200	97	59
14	Bewise	n/a	51-200	93	55
15	Active Computer Systems S.A	Athens	51-200	91	49
16	Infinitum S.A	Attica	51-200	90	57
17	Empist	n/a	51-200	88	12
18	Intellisolutions	Athens	51-200	85	41
19	Ergologic S.A	Athens	11-50	52	34
20	Logismos S.A	Salonica	11-50	44	30
21	Smartns Technological S.A	n/a	51-200	43	30
22	Braincube SA	Athens	11-50	40	22
23	Blend Technologies	Attica	51-200	34	11
24	Elmisystems SA	n/a	51-200	33	1
25	Visionit GR	n/a	11-50	27	22

Showing 25 of 316 enterprise IT consulting firms based in Greece

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Enterprise IT consulting firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 89 HQs

195Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

210

11-50

51-200

201-500

501-1,000

1,001-5,000

Enterprise IT consulting firms by metro

Metro	Companies
Enterprise IT consulting firms in Athens	89
Enterprise IT consulting firms in Thessaloniki	9
Enterprise IT consulting firms in Chalandri	6
Enterprise IT consulting firms in Marousi	6
Enterprise IT consulting firms in Piraeus	5
Enterprise IT consulting firms in Attica	5
Enterprise IT consulting firms in Patras	3

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “enterprise IT consulting firms”, with match quality audited by blind human judging, and headquartered in Greece.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many enterprise IT consulting firms are there based in Greece?

There are 316 enterprise IT consulting firms headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Adastra, headquartered in Thessaloniki, tops this list with the largest team on record.

Which city has the most enterprise IT consulting firms?

Athens leads with 89 headquartered companies, followed by Thessaloniki (9) and Chalandri (6).

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 3,205 verified decision-maker contacts tracked across these 316 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.