Company lists · Data verified August 2026

Top 25 Data integration consulting firms based in Greece

Name: Data integration 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 84 companies tracked

There are 84 data integration consulting firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 3,180 professional contacts across them, including 1,557 with verified work emails and 76 with mobile numbers. Athens is the largest hub.

This list covers data integration 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.

84Companies

3,180Contacts tracked

1,557Verified emails

76Mobile numbers

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The 25 largest data integration consulting firms based in Greece

Ranked by team size

Top 25 of 84 data integration 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	Singularlogic	n/a	201-500	350	102
3	Real Consulting	Chalandri	501-1,000	279	157
4	Teka Systems	Chalandri	201-500	214	127
5	D ONE Data Driven Value Creation	Athens	51-200	118	76
6	Innovation Technology And Management Consultants	Marousi	n/a	81	5
7	Ergologic S.A	Athens	11-50	52	34
8	Braincube SA	Athens	11-50	40	22
9	Neurocom SA	n/a	11-50	36	28
10	Logistic I	n/a	11-50	23	18
11	Existanze Connectingdots	n/a	11-50	19	6
12	Binarytree	Athens	11-50	19	5
13	Ingenio	n/a	11-50	15	10
14	Analytix Consulting	Athens	1-10	15	9
15	Codable	Thessaloniki	11-50	15	7
16	CGS MBH	Thessaloniki	11-50	14	11
17	Seven RED Lines	Vrilissia	11-50	14	10
18	Ebiscon	n/a	11-50	13	11
19	Alphacons Intelligent Technology Solutions S.A	Iraklio	11-50	13	3
20	Netcom Group	n/a	11-50	12	7
21	13cs.gr	n/a	11-50	10	3
22	Akéreon Business & IT Consulting	Glyfada	1-10	10	2
23	DO IT Hellas	n/a	1-10	9	1
24	Broker Systems S.A	n/a	11-50	8	3
25	Thinkdata PC	Athens	11-50	7	1

Showing 25 of 84 data integration consulting firms based in Greece

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Data integration consulting firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 27 HQs

76Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Data integration consulting firms by metro

Metro	Companies
Data integration consulting firms in Athens	27
Data integration consulting firms in Thessaloniki	5
Data integration consulting firms in Marousi	3
Data integration consulting firms in Chalandri	2
Data integration consulting firms in Piraeus	1
Data integration consulting firms in Iraklio	1
Data integration consulting firms in Ampelokipoi	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 integration 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 integration consulting firms are there based in Greece?

There are 84 data integration 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 integration consulting firms?

Athens leads with 27 headquartered companies, followed by Thessaloniki (5) and Marousi (3).

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 1,557 verified decision-maker contacts tracked across these 84 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.