Company lists · Data verified August 2026

Top 25 Advertising agencies based in Koln, Germany

Name: Advertising agencies based in Koln, Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 126 companies tracked

There are 126 advertising agencies headquartered in Koln, Germany (RevenueBase, August 2026). RevenueBase tracks 2,623 professional contacts across them, including 1,298 with verified work emails and 52 with mobile numbers. Berlin is the largest hub.

This list covers advertising agencies headquartered in Koln, Germany, 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.

126Companies

2,623Contacts tracked

1,298Verified emails

52Mobile numbers

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The 25 largest advertising agencies based in Koln, Germany

Ranked by team size

Top 25 of 126 advertising agencies based in Koln, Germany, 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	Serviceplan Group	Koln	5,001-10,000	1,281	717
2	AD Alliance	Koln	501-1,000	418	267
3	WDR Mediagroup	Koln	201-500	113	58
4	Banijay Media Germany	Koln	51-200	61	35
5	IP Deutschland Gmbh	Koln	201-500	45	14
6	PBL Milk Gmbh	Koln	51-200	39	22
7	House Of YAS Gmbh	Koln	11-50	38	6
8	Brandcom Werbeagentur	Koln	51-200	36	7
9	D-Kn Group	Koln	51-200	29	11
10	Counterpart Group	Koln	11-50	26	10
11	Markenmut AG	Koln	11-50	22	14
12	Moyn Media Gmbh	Koln	11-50	20	13
13	Rueckenwind Markenerlebnis Gmbh	Koln	11-50	20	9
14	Rheinfaktor I Agentur FÜR Kommunikation	Koln	11-50	19	12
15	Buntebrause Agentur Gmbh & Co. KG	Koln	11-50	19	10
16	screenworks.tv	Koln	11-50	15	5
17	Smartin Advertising Gmbh	Koln	11-50	15	4
18	NEW Media Labs	Koln	11-50	13	3
19	Towntalker Media AG	Koln	11-50	12	9
20	Benchmarked	Koln	11-50	11	2
21	H-Zwo Agentur FÜR Kommunikation Gmbh	Koln	11-50	10	7
22	Farbenkollektiv	Koln	11-50	9	3
23	NJU Communications	Koln	11-50	8	3
24	P.Ad. Werbeagentur Gmbh	Koln	11-50	7	3
25	Relation Gmbh Design & Kommunikation	Koln	11-50	7	3

Showing 25 of 126 advertising agencies based in Koln, Germany

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Advertising agencies based in Koln, Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 382 HQs

52Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

5,001-10,000

Advertising agencies by metro in Germany

Metro	Companies
Advertising agencies in Berlin	382
Advertising agencies in Hamburg	348
Advertising agencies in Munchen	191
Advertising agencies in Dusseldorf	141
Advertising agencies in Koln	126
Advertising agencies in Stuttgart	99
Advertising agencies in Frankfurt Am Main	74

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 match quality audited by blind human judging, and headquartered in Koln, Germany.
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; 4 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 are there based in Koln, Germany?

There are 126 advertising agencies headquartered in Koln, Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Serviceplan Group, headquartered in Koln, tops this list with the largest team on record.

Which city has the most advertising agencies?

Berlin leads with 382 headquartered companies, followed by Hamburg (348) and Munchen (191).

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 1,298 verified decision-maker contacts tracked across these 126 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.