Company lists · Data verified August 2026

Top 13 Ad tech software companies based in Greece

Name: Ad tech software companies based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 26 companies tracked

There are 26 ad tech software companies headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 499 professional contacts across them, including 177 with verified work emails and 16 with mobile numbers. Athens is the largest hub.

This list covers ad tech software companies 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.

26Companies

499Contacts tracked

177Verified emails

16Mobile numbers

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The 13 largest ad tech software companies based in Greece

Ranked by team size

Top 13 of 26 ad tech software companies 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	Eskimi	Athens	201-500	247	116
2	Baas Digital	n/a	11-50	74	9
3	Adweb Digital HUB	Chalandri	11-50	34	11
4	NEMO	Marousi	11-50	26	2
5	Adright	n/a	11-50	17	10
6	Fast River	Athens	11-50	11	10
7	ONE Brand Studio	Chalandri	11-50	11	7
8	Nekya Digital Media	Athens	11-50	10	1
9	adreport.com	Athens	11-50	6	3
10	Adclover	Athens	1-10	5	3
11	ADACS	n/a	1-10	5	2
12	Dalecta	Athens	11-50	5	1
13	Zephyr ONE	n/a	11-50	4	2

Showing 13 of 26 ad tech software companies based in Greece

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Ad tech software companies based in Greece at a glance

As of Aug 28, 2026

11-50Median size (employees)

AthensLargest hub · 9 HQs

16Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Ad tech software companies by metro

Metro	Companies
Ad tech software companies in Athens	9
Ad tech software companies in Thessaloniki	2
Ad tech software companies in Chalandri	2
Ad tech software companies in Nafplio	1
Ad tech software companies in Marousi	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 “ad tech software companies”, 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 ad tech software companies are there based in Greece?

There are 26 ad tech software companies headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Eskimi, headquartered in Athens, tops this list with the largest team on record.

Which city has the most ad tech software companies?

Athens leads with 9 headquartered companies, followed by Thessaloniki (2) and Chalandri (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 177 verified decision-maker contacts tracked across these 26 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.