Company lists · Data verified August 2026

Top 18 Data strategy consulting firms based in Greece

Name: Data strategy 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 57 companies tracked

There are 57 data strategy consulting firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 1,923 professional contacts across them, including 995 with verified work emails and 58 with mobile numbers. Athens is the largest hub.

This list covers data strategy 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.

57Companies

1,923Contacts tracked

995Verified emails

58Mobile numbers

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The 18 largest data strategy consulting firms based in Greece

Ranked by team size

Top 18 of 57 data strategy 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	Innovation Technology And Management Consultants	Marousi	n/a	81	5
3	Witside	Alimos	11-50	46	38
4	Neurocom SA	n/a	11-50	36	28
5	Panadvert	Kifisia	11-50	26	14
6	Rocket Path P.C	Athens	11-50	15	9
7	Alphacons Intelligent Technology Solutions S.A	Iraklio	11-50	13	3
8	MDC Stiakakis	n/a	11-50	10	4
9	Thinkdata PC	Athens	11-50	7	1
10	The Narrative	Chalandri	1-10	6	5
11	Qualento	Athens	1-10	6	5
12	BIG Data LAB	Nea Makri	1-10	3	2
13	ΒEE Κings Μarketing Consulting Services	Athens	1-10	3	2
14	Xlytica	Ilion	1-10	2	2
15	Innosake	Athens	1-10	2	2
16	The Growth Challenge	n/a	11-50	2	1
17	NVG Consulting	Athens	11-50	1	1
18	Gordian Consultants	Athens	11-50	1	1

Showing 18 of 57 data strategy consulting firms based in Greece

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Data strategy consulting firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 27 HQs

58Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

1,001-5,000

Data strategy consulting firms by metro

Metro	Companies
Data strategy consulting firms in Athens	27
Data strategy consulting firms in Thessaloniki	4
Data strategy consulting firms in Thermi	2
Data strategy consulting firms in Iraklio	1
Data strategy consulting firms in Nea Makri	1
Data strategy consulting firms in Koropi	1
Data strategy consulting firms in Skg	1

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 “data strategy 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; 1 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 data strategy consulting firms are there based in Greece?

There are 57 data strategy 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 data strategy consulting firms?

Athens leads with 27 headquartered companies, followed by Thessaloniki (4) and Thermi (2).

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 995 verified decision-maker contacts tracked across these 57 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.