Company lists · Data verified August 2026

Top 13 AI and machine learning companies based in Tallinn, Estonia

Name: AI and machine learning companies based in Tallinn, Estonia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 71 companies tracked

There are 71 AI and machine learning companies headquartered in Tallinn, Estonia (RevenueBase, August 2026). RevenueBase tracks 473 professional contacts across them, including 94 with verified work emails and 30 with mobile numbers. Tallinn is the largest hub.

This list covers AI and machine learning companies headquartered in Tallinn, 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.

71Companies

473Contacts tracked

94Verified emails

30Mobile numbers

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The 13 largest AI and machine learning companies based in Tallinn, Estonia

Ranked by team size

Top 13 of 71 AI and machine learning companies based in Tallinn, 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	Clarifai	Tallinn	51-200	98	57
2	Banana Script	Tallinn	11-50	23	9
3	Mindtitan	Tallinn	11-50	21	12
4	WNC	Tallinn	11-50	9	3
5	Random Forest	Tallinn	1-10	6	3
6	ALF Global Services	Tallinn	1-10	6	2
7	Aideas OU	Tallinn	11-50	6	1
8	Opentools	Tallinn	1-10	5	2
9	Searchqualify	Tallinn	1-10	4	1
10	Productory AI Agentuur	Tallinn	1-10	2	1
11	Quickml	Tallinn	1-10	1	1
12	helo.io	Tallinn	1-10	1	1
13	Global Marketing Solutions OÜ	Tallinn	1-10	1	1

Showing 13 of 71 AI and machine learning companies based in Tallinn, Estonia

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AI and machine learning companies based in Tallinn, Estonia at a glance

As of Aug 28, 2026

1-10Median size (employees)

TallinnLargest hub · 71 HQs

30Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

AI and machine learning companies by metro in Estonia

Metro	Companies
AI and machine learning companies in Tallinn	71
AI and machine learning companies in Tallin	8
AI and machine learning companies in Tartu	3
AI and machine learning companies in Kesklinna Linnaosa	2
AI and machine learning companies in Maakri	2
AI and machine learning companies in Tartu Linn	1
AI and machine learning companies in Paide	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 “AI and machine learning companies”, with match quality audited by blind human judging, and headquartered in Tallinn, 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 AI and machine learning companies are there based in Tallinn, Estonia?

There are 71 AI and machine learning companies headquartered in Tallinn, Estonia as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most AI and machine learning companies?

Tallinn leads with 71 headquartered companies, followed by Tallin (8) and Tartu (3).

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 94 verified decision-maker contacts tracked across these 71 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.