Company lists · Data verified August 2026

Top 21 AI and machine learning companies based in Estonia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 100 companies tracked

There are 100 AI and machine learning companies headquartered in Estonia (RevenueBase, August 2026). RevenueBase tracks 649 professional contacts across them, including 141 with verified work emails and 32 with mobile numbers. Tallinn is the largest hub.

This list covers AI and machine learning 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.

100Companies

649Contacts tracked

141Verified emails

32Mobile numbers

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The 21 largest AI and machine learning companies based in Estonia

Ranked by team size

Top 21 of 100 AI and machine learning 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	Clarifai	Tallinn	51-200	98	57
2	Aivot AI	Tallin	11-50	47	21
3	Softcery Production AI Systems	n/a	11-50	39	10
4	STACC	Tartu Linn	11-50	26	8
5	Banana Script	Tallinn	11-50	23	9
6	Mindtitan	Tallinn	11-50	21	12
7	WNC	Tallinn	11-50	9	3
8	Adoptomedia	Otepaa	11-50	9	1
9	ALF Global Services	Tallinn	1-10	6	2
10	Aideas OU	Tallinn	11-50	6	1
11	Opentools	Tallinn	1-10	5	2
12	Qoverse	Kuusalu Vald	11-50	5	1
13	Encomage	Tallin	11-50	5	1
14	Renovavision	Tallin	1-10	4	1
15	Searchqualify	Tallinn	1-10	4	1
16	AI Willo	n/a	1-10	3	1
17	Kodebusters	Tallin	1-10	2	1
18	Productory AI Agentuur	Tallinn	1-10	2	1
19	helo.io	Tallinn	1-10	1	1
20	Quickml	Tallinn	1-10	1	1
21	Global Marketing Solutions OÜ	Tallinn	1-10	1	1

Showing 21 of 100 AI and machine learning companies based in Estonia

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AI and machine learning companies based in Estonia at a glance

As of Aug 28, 2026

1-10Median size (employees)

TallinnLargest hub · 71 HQs

32Contacts 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

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 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 Estonia?

There are 100 AI and machine learning companies headquartered in 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 141 verified decision-maker contacts tracked across these 100 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.