Company lists · Data verified August 2026

Top 14 Enterprise AI software companies based in Estonia

Name: Enterprise AI 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 60 companies tracked

There are 60 enterprise AI software companies headquartered in Estonia (RevenueBase, August 2026). RevenueBase tracks 634 professional contacts across them, including 179 with verified work emails and 31 with mobile numbers. Tallinn is the largest hub.

This list covers enterprise AI 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.

60Companies

634Contacts tracked

179Verified emails

31Mobile numbers

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The 14 largest enterprise AI software companies based in Estonia

Ranked by team size

Top 14 of 60 enterprise AI 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	Rootcode	Kesklinna Linnaosa Tallinn	51-200	140	61
2	Clarifai	Tallinn	51-200	98	57
3	Aivot AI	Tallin	11-50	47	21
4	STACC	Tartu Linn	11-50	26	8
5	Apifonica	Tallinn	51-200	25	20
6	Ampwise AI	Tallinn	11-50	16	3
7	ALF Global Services	Tallinn	1-10	6	2
8	Aideas OU	Tallinn	11-50	6	1
9	Oktopeople	Tallinn	1-10	4	1
10	Renovavision	Tallin	1-10	4	1
11	Advint365	n/a	11-50	1	1
12	helo.io	Tallinn	1-10	1	1
13	Onpolar	Tallinn	1-10	1	1
14	Global Marketing Solutions OÜ	Tallinn	1-10	1	1

Showing 14 of 60 enterprise AI software companies based in Estonia

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Enterprise AI software companies based in Estonia at a glance

As of Aug 28, 2026

1-10Median size (employees)

TallinnLargest hub · 44 HQs

31Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Enterprise AI software companies by metro

Metro	Companies
Enterprise AI software companies in Tallinn	44
Enterprise AI software companies in Tallin	3
Enterprise AI software companies in Kesklinna Linnaosa Tallinn	2
Enterprise AI software companies in Tartu Linn	1
Enterprise AI software companies in Paide	1
Enterprise AI software companies in Kuressaare	1
Enterprise AI software companies in Kristiine Linnaosa	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 “enterprise AI 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 enterprise AI software companies are there based in Estonia?

There are 60 enterprise AI software companies headquartered in Estonia as of August 2026 (RevenueBase).

What is the largest company on this list?

Rootcode, headquartered in Kesklinna Linnaosa Tallinn, tops this list with the largest team on record.

Which city has the most enterprise AI software companies?

Tallinn leads with 44 headquartered companies, followed by Tallin (3) and Kesklinna Linnaosa Tallinn (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 179 verified decision-maker contacts tracked across these 60 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.