Company lists · Data verified August 2026

Top 19 Ad tech software companies based in Hamburg, Germany

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 34 companies tracked

There are 34 ad tech software companies headquartered in Hamburg, Germany (RevenueBase, August 2026). RevenueBase tracks 2,930 professional contacts across them, including 1,758 with verified work emails and 952 with mobile numbers. Berlin is the largest hub.

This list covers ad tech software companies headquartered in Hamburg, 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.

34Companies

2,930Contacts tracked

1,758Verified emails

952Mobile numbers

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The 19 largest ad tech software companies based in Hamburg, Germany

Ranked by team size

Top 19 of 34 ad tech software companies based in Hamburg, 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	Freewheel	Hamburg	1,001-5,000	1,302	704
2	Integral AD Science	Hamburg	501-1,000	973	716
3	Clinch	Hamburg	51-200	128	74
4	Showheroes	Hamburg	201-500	113	56
5	Adlicious	Hamburg	51-200	98	60
6	MRGE	Hamburg	51-200	86	53
7	Gravite	Hamburg	11-50	29	8
8	cmmrcl.ly	Hamburg	11-50	23	19
9	Digital East	Hamburg	51-200	23	18
10	Yieldlove	Hamburg	11-50	18	10
11	ONE Tech Group Gmbh	Hamburg	11-50	17	9
12	Netzwerkreklame Thomas Onlinemarketing Gmbh	Hamburg	11-50	17	7
13	Addefend Gmbh	Hamburg	11-50	13	9
14	Connectad Realtime	Hamburg	11-50	13	1
15	Shopping24 A Mrge Company	Hamburg	51-200	10	2
16	Adremes	Hamburg	11-50	5	4
17	Hirank Performance Marketing Gmbh	Hamburg	1-10	4	1
18	Meridian Softwaresysteme FÜR Medien Gmbh	Hamburg	1-10	2	2
19	AD Personam Gmbh	Hamburg	1-10	1	1

Showing 19 of 34 ad tech software companies based in Hamburg, Germany

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Ad tech software companies based in Hamburg, Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 41 HQs

952Contacts with mobile numbers

6Emails 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

Ad tech software companies by metro in Germany

Metro	Companies
Ad tech software companies in Berlin	41
Ad tech software companies in Hamburg	34
Ad tech software companies in Dusseldorf	18
Ad tech software companies in Munich	17
Ad tech software companies in Koln	9
Ad tech software companies in Munchen	8
Ad tech software companies in Cologne	5

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 Hamburg, 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; 6 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 Hamburg, Germany?

There are 34 ad tech software companies headquartered in Hamburg, Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Freewheel, headquartered in Hamburg, tops this list with the largest team on record.

Which city has the most ad tech software companies?

Berlin leads with 41 headquartered companies, followed by Hamburg (34) and Dusseldorf (18).

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 1,758 verified decision-maker contacts tracked across these 34 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.