Company lists · Data verified August 2026
Top 25 Ad tech platforms based in Germany
There are 234 ad tech platforms headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 8,323 professional contacts across them, including 4,466 with verified work emails and 1,682 with mobile numbers. Berlin is the largest hub.
This list covers ad tech platforms headquartered in 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.
The 25 largest ad tech platforms based in Germany
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | 1,041 | |
| 2 | 704 | |
| 3 | 716 | |
| 4 | 491 | |
| 5 | 175 | |
| 6 | 89 | |
| 7 | 96 | |
| 8 | 19 | |
| 9 | 41 | |
| 10 | United Internet Media Gmbh | 71 |
| 11 | 74 | |
| 12 | 56 | |
| 13 | 60 | |
| 14 | 53 | |
| 15 | 41 | |
| 16 | 7 | |
| 17 | 55 | |
| 18 | 17 | |
| 19 | 28 | |
| 20 | 23 | |
| 21 | 20 | |
| 22 | 9 | |
| 23 | 22 | |
| 24 | 14 | |
| 25 | 18 |
Showing 25 of 234 ad tech platforms based in Germany
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Ad tech platforms based in Germany at a glance
As of Aug 28, 2026Companies by employee count
Ad tech platforms by metro
| Metro | Companies |
|---|---|
| Ad tech platforms in Berlin | 64 |
| Ad tech platforms in Hamburg | 42 |
| Ad tech platforms in Dusseldorf | 19 |
| Ad tech platforms in Munich | 16 |
| Ad tech platforms in Munchen | 10 |
| Ad tech platforms in Koln | 9 |
| Ad tech platforms in Frankfurt Am Main | 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 platforms”, with match quality audited by blind human judging, and headquartered in 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; 22 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 platforms are there based in Germany?
There are 234 ad tech platforms headquartered in Germany as of August 2026 (RevenueBase).
What is the largest company on this list?
Doubleverify, headquartered in Berlin, tops this list with the largest team on record.
Which city has the most ad tech platforms?
Berlin leads with 64 headquartered companies, followed by Hamburg (42) and Dusseldorf (19).
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 4,466 verified decision-maker contacts tracked across these 234 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.