Company lists · Data verified August 2026

Top 12 Ad tech consulting firms based in Koln, Germany

Name: Ad tech consulting firms based in Koln, Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

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

There are 28 ad tech consulting firms headquartered in Koln, Germany (RevenueBase, August 2026). RevenueBase tracks 228 professional contacts across them, including 106 with verified work emails and 3 with mobile numbers. Berlin is the largest hub.

This list covers ad tech consulting firms 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.

28Companies

228Contacts tracked

106Verified emails

3Mobile numbers

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The 12 largest ad tech consulting firms based in Koln, Germany

Ranked by team size

Top 12 of 28 ad tech consulting firms 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	Deep Media Technologies Gmbh	Koln	51-200	79	41
2	Mindshape Gmbh	Koln	11-50	35	20
3	NERDS	Koln	11-50	29	14
4	Adcologne Gmbh	Koln	11-50	11	11
5	Chaerry	Koln	1-10	9	4
6	Planinja Consulting Gmbh	Koln	11-50	8	4
7	ALL Things Digital	Koln	1-10	4	1
8	DPM Consulting Gmbh	Koln	1-10	3	3
9	Spacepilots Gmbh	Koln	1-10	3	3
10	Abend.Net	Koln	11-50	3	2
11	Bold. Marketing	Koln	1-10	2	2
12	Bigexplainer Digital Business & Marketing	Koln	1-10	1	1

Showing 12 of 28 ad tech consulting firms based in Koln, Germany

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Ad tech consulting firms based in Koln, Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 83 HQs

3Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Ad tech consulting firms by metro in Germany

Metro	Companies
Ad tech consulting firms in Berlin	83
Ad tech consulting firms in Hamburg	79
Ad tech consulting firms in Dusseldorf	32
Ad tech consulting firms in Koln	28
Ad tech consulting firms in Munchen	27
Ad tech consulting firms in Munich	20
Ad tech consulting firms in Cologne	9

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 consulting firms”, 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; 0 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 consulting firms are there based in Koln, Germany?

There are 28 ad tech consulting firms headquartered in Koln, Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Deep Media Technologies Gmbh, headquartered in Koln, tops this list with the largest team on record.

Which city has the most ad tech consulting firms?

Berlin leads with 83 headquartered companies, followed by Hamburg (79) and Dusseldorf (32).

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 106 verified decision-maker contacts tracked across these 28 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.