Company lists · Data verified August 2026

Top 18 Ad tech platforms based in Estonia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 47 companies tracked

There are 47 ad tech platforms headquartered in Estonia (RevenueBase, August 2026). RevenueBase tracks 417 professional contacts across them, including 122 with verified work emails and 9 with mobile numbers. Tallinn is the largest hub.

This list covers ad tech platforms headquartered in Estonia, 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.

47Companies

417Contacts tracked

122Verified emails

9Mobile numbers

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The 18 largest ad tech platforms based in Estonia

Ranked by team size

Top 18 of 47 ad tech platforms based in Estonia, 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	Activeview	Tallinn	11-50	46	21
2	Apliteni	Maakri	11-50	42	28
3	Cognitive AI SRL	Tallin	11-50	31	19
4	Attekmi	Tallinn	11-50	29	11
5	NEXD	Tallinn	11-50	22	13
6	ALL Media Digital	Tallinn	11-50	13	2
7	Ejecutivo Comercial	Tallinn	1-10	12	1
8	Waardex	Tallinn	11-50	10	3
9	Mesh ADS	Tallinn	11-50	8	8
10	Primax Digital	Tallinn	11-50	8	3
11	Adhit Media	Tallinn	1-10	5	2
12	Global Digital Traffic OÜ	Tallinn	11-50	4	3
13	Keston Digital Advertising	Tallinn	1-10	3	2
14	Truffle DSP	Tallin	11-50	3	1
15	Adspective	n/a	1-10	2	2
16	SKRO	Tallinn	1-10	1	1
17	Affinity Zone OU	Tallinn	1-10	1	1
18	Flyads	Tallinn	1-10	1	1

Showing 18 of 47 ad tech platforms based in Estonia

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Ad tech platforms based in Estonia at a glance

As of Aug 28, 2026

11-50Median size (employees)

TallinnLargest hub · 40 HQs

9Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Ad tech platforms by metro

Metro	Companies
Ad tech platforms in Tallinn	40
Ad tech platforms in Tallin	2
Ad tech platforms in Nomme Linnaosa Tallinn	1
Ad tech platforms in Lasnamae	1
Ad tech platforms in Kesklinna Linnaosa	1
Ad tech platforms in Maakri	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 Estonia.
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; 1 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 Estonia?

There are 47 ad tech platforms headquartered in Estonia as of August 2026 (RevenueBase).

What is the largest company on this list?

Activeview, headquartered in Tallinn, tops this list with the largest team on record.

Which city has the most ad tech platforms?

Tallinn leads with 40 headquartered companies, followed by Tallin (2) and Nomme Linnaosa Tallinn (1).

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 122 verified decision-maker contacts tracked across these 47 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.