Company lists · Data verified August 2026

Top 16 Ad tech software companies based in Estonia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 37 companies tracked

There are 37 ad tech software companies headquartered in Estonia (RevenueBase, August 2026). RevenueBase tracks 352 professional contacts across them, including 104 with verified work emails and 9 with mobile numbers. Tallinn is the largest hub.

This list covers ad tech software companies 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.

37Companies

352Contacts tracked

104Verified emails

9Mobile numbers

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The 16 largest ad tech software companies based in Estonia

Ranked by team size

Top 16 of 37 ad tech software companies 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	Apliteni	Maakri	11-50	42	28
2	Cognitive AI SRL	Tallin	11-50	31	19
3	Attekmi	Tallinn	11-50	29	11
4	NEXD	Tallinn	11-50	22	13
5	Shuttle99	Tallinn	11-50	15	6
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	Klewer Marketing Agency	Kristiine	1-10	6	3
12	Adhit Media	Tallinn	1-10	5	2
13	Keston Digital Advertising	Tallinn	1-10	3	2
14	Truffle DSP	Tallin	11-50	3	1
15	SKRO	Tallinn	1-10	1	1
16	Flyads	Tallinn	1-10	1	1

Showing 16 of 37 ad tech software companies based in Estonia

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Ad tech software companies based in Estonia at a glance

As of Aug 28, 2026

11-50Median size (employees)

TallinnLargest hub · 32 HQs

9Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Ad tech software companies by metro

Metro	Companies
Ad tech software companies in Tallinn	32
Ad tech software companies in Tallin	2
Ad tech software companies in Kristiine	1
Ad tech software companies in Lasnamae	1
Ad tech software companies 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 software companies”, 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; 0 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 Estonia?

There are 37 ad tech software companies headquartered in Estonia as of August 2026 (RevenueBase).

What is the largest company on this list?

Apliteni, headquartered in Maakri, tops this list with the largest team on record.

Which city has the most ad tech software companies?

Tallinn leads with 32 headquartered companies, followed by Tallin (2) and Kristiine (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 104 verified decision-maker contacts tracked across these 37 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.