Company lists · Data verified August 2026

Top 25 Digital transformation consultancies based in Greece

Name: Digital transformation consultancies based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 255 companies tracked

There are 255 digital transformation consultancies headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 6,086 professional contacts across them, including 2,729 with verified work emails and 145 with mobile numbers. Athens is the largest hub.

This list covers digital transformation consultancies 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.

255Companies

6,086Contacts tracked

2,729Verified emails

145Mobile numbers

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The 25 largest digital transformation consultancies based in Greece

Ranked by team size

Top 25 of 255 digital transformation consultancies 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	Cognity	Athens	201-500	394	237
4	Performance Technologies S.A	Athens	201-500	228	159
5	Atcom S.A	Athens	51-200	174	81
6	SLEED	n/a	51-200	159	27
7	Inttrust S.A	n/a	51-200	146	90
8	D ONE Data Driven Value Creation	Athens	51-200	118	76
9	Logicom Solutions	Marousi	51-200	97	59
10	Dope Studio	Athens	51-200	92	29
11	Active Computer Systems S.A	Athens	51-200	91	49
12	Meccanica Group S.A	Thessaloniki	1,001-5,000	87	19
13	Backbone	Athens	51-200	86	23
14	Office Line SA	Athens	51-200	68	34
15	Stepone	Chalandri	51-200	57	35
16	Smartns Technological S.A	n/a	51-200	43	30
17	Eworx S.A	Athens	11-50	43	4
18	Globe ONE Digital	n/a	11-50	40	21
19	Interweave	n/a	11-50	36	11
20	Data Noesis	n/a	11-50	35	1
21	Blend Technologies	Attica	51-200	34	11
22	Omnicliq	Thessaloniki	11-50	30	18
23	Novidea	n/a	11-50	28	11
24	Hypertech SA	Kalamaria	51-200	27	12
25	Curious Ahead	n/a	11-50	25	21

Showing 25 of 255 digital transformation consultancies based in Greece

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Digital transformation consultancies based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 90 HQs

145Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

165

11-50

51-200

201-500

1,001-5,000

Digital transformation consultancies by metro

Metro	Companies
Digital transformation consultancies in Athens	90
Digital transformation consultancies in Thessaloniki	13
Digital transformation consultancies in Marousi	5
Digital transformation consultancies in Piraeus	4
Digital transformation consultancies in Attica	4
Digital transformation consultancies in Pylaia	4
Digital transformation consultancies in Chalandri	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 “digital transformation consultancies”, 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; 3 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 digital transformation consultancies are there based in Greece?

There are 255 digital transformation consultancies 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 digital transformation consultancies?

Athens leads with 90 headquartered companies, followed by Thessaloniki (13) and Marousi (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 2,729 verified decision-maker contacts tracked across these 255 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.