Company lists · Data verified August 2026

Top 25 Ad tech consulting firms based in Hamburg, Germany

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 79 companies tracked

There are 79 ad tech consulting firms headquartered in Hamburg, Germany (RevenueBase, August 2026). RevenueBase tracks 2,542 professional contacts across them, including 1,230 with verified work emails and 592 with mobile numbers. Berlin is the largest hub.

This list covers ad tech consulting firms 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.

79Companies

2,542Contacts tracked

1,230Verified emails

592Mobile numbers

Unlock all 79 companies Free account · no credit card · 2 minutes

The 25 largest ad tech consulting firms based in Hamburg, Germany

Ranked by team size

Top 25 of 79 ad tech consulting firms 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	Essencemediacom Germany	Hamburg	501-1,000	225	102
3	Clinch	Hamburg	51-200	128	74
4	Showheroes	Hamburg	201-500	113	56
5	Adlicious	Hamburg	51-200	98	60
6	Syzygy Performance Marketing	Hamburg	51-200	79	45
7	Klickpiloten	Hamburg	51-200	59	30
8	Digitl	Hamburg	11-50	51	14
9	cmmrcl.ly	Hamburg	11-50	23	19
10	Advertace By Intermate	Hamburg	11-50	21	14
11	Yieldlove	Hamburg	11-50	18	10
12	Logic JOE Gmbh	Hamburg	11-50	18	7
13	Netzwerkreklame Thomas Onlinemarketing Gmbh	Hamburg	11-50	17	7
14	Independent Media Guides Gmbh	Hamburg	11-50	16	13
15	Mediaservice Wasmuth Gmbh	Hamburg	51-200	14	7
16	KDM	Hamburg	11-50	14	3
17	Rabau X Media Gmbh	Hamburg	1-10	12	9
18	Shopping24 A Mrge Company	Hamburg	51-200	10	2
19	Semsea Hamburg Gmbh	Hamburg	1-10	9	7
20	Infinitefox	Hamburg	11-50	9	6
21	4millions Gmbh	Hamburg	11-50	7	4
22	Responsive Media	Hamburg	11-50	7	2
23	Hungriger Hirsch Consulting	Hamburg	1-10	7	2
24	Aprile Consulting Gmbh	Hamburg	11-50	7	1
25	Elbmarketing GBR	Hamburg	1-10	6	3

Showing 25 of 79 ad tech consulting firms based in Hamburg, Germany

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,230 reachable decision-makers.

Free account · no credit card

See all 79 companies

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

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 83 HQs

592Contacts 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

1,001-5,000

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 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; 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 ad tech consulting firms are there based in Hamburg, Germany?

There are 79 ad tech consulting firms 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 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 1,230 verified decision-maker contacts tracked across these 79 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.

Ready to reach these companies? Verified emails and direct dials for all 79 ad tech consulting firms based in Hamburg, Germany. Start with a free account, no credit card.

Get the full list

Related lists

Ad tech consulting firms by geography

Browse the directory

Browse: Companies home · Ad tech consulting firms in Germany · All Germany lists · All Ad tech consulting firms lists · New lists

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.