Company lists · Data verified August 2026

Top 25 Advertising agencies with in-house production based in Greece

Name: Advertising agencies with in-house production based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 519 companies tracked

There are 519 advertising agencies with in-house production headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 3,308 professional contacts across them, including 575 with verified work emails and 145 with mobile numbers. Athens is the largest hub.

This list covers advertising agencies with in-house production 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.

519Companies

3,308Contacts tracked

575Verified emails

145Mobile numbers

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The 25 largest advertising agencies with in-house production based in Greece

Ranked by team size

Top 25 of 519 advertising agencies with in-house production 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	Ogilvy Greece	Athens	201-500	277	2
2	The Newtons Laboratory	Chalandri	51-200	114	65
3	Closer	Thessaloniki	51-200	89	31
4	Socialab	n/a	51-200	66	23
5	Solid Havas	n/a	51-200	59	48
6	Rascal	n/a	11-50	41	3
7	Radical Communications	Athens	11-50	38	1
8	Adweb Digital HUB	Chalandri	11-50	34	11
9	Creace SA	n/a	11-50	32	1
10	Attp Advertising	Athens	11-50	31	16
11	BRAVE	n/a	11-50	29	15
12	MINDS	Thessaloniki	11-50	22	6
13	FCB Gnomi	n/a	51-200	19	16
14	K2 Design	n/a	11-50	15	2
15	Cicero Advertising	Athens	11-50	14	13
16	RED Lemon	n/a	11-50	12	2
17	Fotone ADV	n/a	11-50	11	6
18	The Bright Collective	Athens	11-50	10	5
19	Blissprojects	n/a	11-50	10	4
20	Avion Films Athens	Athens	11-50	10	2
21	The Creatives	Thessaloniki	11-50	9	4
22	Pylarinos Advertising	n/a	11-50	9	1
23	IMBA	Chalandri	11-50	9	1
24	Reason To Communicate	n/a	11-50	8	3
25	Proweb Digital Agency	Athens	11-50	8	1

Showing 25 of 519 advertising agencies with in-house production based in Greece

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Advertising agencies with in-house production based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 174 HQs

145Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

396

11-50

110

51-200

201-500

Advertising agencies with in-house production by metro

Metro	Companies
Advertising agencies with in-house production in Athens	174
Advertising agencies with in-house production in Thessaloniki	33
Advertising agencies with in-house production in Attica	8
Advertising agencies with in-house production in Salonica	7
Advertising agencies with in-house production in Chalandri	6
Advertising agencies with in-house production in Piraeus	4
Advertising agencies with in-house production in Pylaia	4

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 “advertising agencies with in-house production”, 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 advertising agencies with in-house production are there based in Greece?

There are 519 advertising agencies with in-house production headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most advertising agencies with in-house production?

Athens leads with 174 headquartered companies, followed by Thessaloniki (33) and Attica (8).

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 575 verified decision-maker contacts tracked across these 519 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.