Company lists · Data verified August 2026

Top 16 Ad tech platforms based in Denmark

Name: Ad tech platforms based in Denmark
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 33 companies tracked

There are 33 ad tech platforms headquartered in Denmark (RevenueBase, August 2026). RevenueBase tracks 1,088 professional contacts across them, including 735 with verified work emails and 67 with mobile numbers. Copenhagen is the largest hub.

This list covers ad tech platforms headquartered in Denmark, 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.

33Companies

1,088Contacts tracked

735Verified emails

67Mobile numbers

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The 16 largest ad tech platforms based in Denmark

Ranked by team size

Top 16 of 33 ad tech platforms based in Denmark, 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	Adform	n/a	501-1,000	842	659
2	Blackwood Seven Part Of Kantar Group	n/a	51-200	29	11
3	Allunite	n/a	11-50	27	16
4	Relevant Digital	n/a	11-50	18	14
5	Digiseg	Copenhagen	11-50	18	5
6	Densou	Copenhagen	11-50	18	2
7	ZUUVI	Norrebro	11-50	17	5
8	adwallet.io	Copenhagen	1-10	10	6
9	Stellar	Copenhagen	1-10	9	7
10	Cobiro	n/a	11-50	7	1
11	Obsidian Digital	Kobenhavn	51-200	6	1
12	Contimo	Copenhagen	1-10	4	2
13	Sandbech	n/a	1-10	3	2
14	Advative.io	Capital	1-10	2	2
15	Idfree	Hvidovre	11-50	2	1
16	Flowsam	n/a	1-10	2	1

Showing 16 of 33 ad tech platforms based in Denmark

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Ad tech platforms based in Denmark at a glance

As of Aug 28, 2026

1-10Median size (employees)

CopenhagenLargest hub · 10 HQs

67Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Ad tech platforms by metro

Metro	Companies
Ad tech platforms in Copenhagen	10
Ad tech platforms in Kobenhavn K	3
Ad tech platforms in Aarhus	2
Ad tech platforms in Ballerup	1
Ad tech platforms in Ostermarie Bornholm	1
Ad tech platforms in Hvidovre	1
Ad tech platforms in Aarhus C Middle	1

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 Denmark.
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; 3 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 Denmark?

There are 33 ad tech platforms headquartered in Denmark as of August 2026 (RevenueBase).

What is the largest company on this list?

Adform, headquartered in Denmark, tops this list with the largest team on record.

Which city has the most ad tech platforms?

Copenhagen leads with 10 headquartered companies, followed by Kobenhavn K (3) and Aarhus (2).

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 735 verified decision-maker contacts tracked across these 33 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.