Company lists · Data verified August 2026

Top 23 AI and machine learning consultants based in Greece

Name: AI and machine learning consultants based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 58 companies tracked

There are 58 AI and machine learning consultants headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 1,867 professional contacts across them, including 982 with verified work emails and 53 with mobile numbers. Athens is the largest hub.

This list covers AI and machine learning consultants 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.

58Companies

1,867Contacts tracked

982Verified emails

53Mobile numbers

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The 23 largest AI and machine learning consultants based in Greece

Ranked by team size

Top 23 of 58 AI and machine learning consultants 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	Witside	Alimos	11-50	46	38
3	Happyonline WEB & AI Services	n/a	11-50	24	7
4	Libra AI Technologies	n/a	11-50	22	16
5	Medoid AI	Thessaloniki	11-50	15	6
6	Code4thought	Patras	11-50	13	7
7	Deeplab	n/a	11-50	13	4
8	Alphacons Intelligent Technology Solutions S.A	Iraklio	11-50	13	3
9	Apiron	n/a	11-50	8	3
10	Yolt Labs	n/a	1-10	8	3
11	Qualento	Athens	1-10	6	5
12	Aipath	Marousi	1-10	6	1
13	Altovalue	Melissia	1-10	5	3
14	Butterflai	Peristeri	1-10	4	3
15	nospoon.ai	Athens	1-10	3	1
16	Hypercliq	Athens	1-10	3	1
17	Castalia Innovation	Athens	1-10	2	2
18	Xlytica	Ilion	1-10	2	2
19	Turn-Key AI Solutions	Chalandri	1-10	2	1
20	Ai-Analytix	Athens	1-10	2	1
21	Talos Analytics	Athens	1-10	2	1
22	Numethod	Piraeus	1-10	2	1
23	Metabusiness L.P	n/a	1-10	2	1

Showing 23 of 58 AI and machine learning consultants based in Greece

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AI and machine learning consultants based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 23 HQs

53Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

1,001-5,000

AI and machine learning consultants by metro

Metro	Companies
AI and machine learning consultants in Athens	23
AI and machine learning consultants in Thessaloniki	10
AI and machine learning consultants in Marousi	2
AI and machine learning consultants in Piraeus	1
AI and machine learning consultants in Iraklio	1
AI and machine learning consultants in Patras	1
AI and machine learning consultants in Aspropyrgos	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 “AI and machine learning consultants”, 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; 2 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 AI and machine learning consultants are there based in Greece?

There are 58 AI and machine learning consultants 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 AI and machine learning consultants?

Athens leads with 23 headquartered companies, followed by Thessaloniki (10) and Marousi (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 982 verified decision-maker contacts tracked across these 58 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.