Company lists · Data verified August 2026

Top 25 Custom software developers based in Estonia

Name: Custom software developers based in Estonia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 200 companies tracked

There are 200 custom software developers headquartered in Estonia (RevenueBase, August 2026). RevenueBase tracks 2,777 professional contacts across them, including 889 with verified work emails and 33 with mobile numbers. Tallinn is the largest hub.

This list covers custom software developers 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.

200Companies

2,777Contacts tracked

889Verified emails

33Mobile numbers

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The 25 largest custom software developers based in Estonia

Ranked by team size

Top 25 of 200 custom software developers 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	Helmes	Tallinn	1,001-5,000	413	280
2	IT Craft	Tallinn	201-500	218	26
3	Cleveroad	Tallinn	201-500	127	20
4	Ralabs	Tallinn	51-200	119	49
5	Breakwater Technology	Tallinn	51-200	108	1
6	Sapientpro	n/a	51-200	75	35
7	Weblegends	Tallinn	51-200	69	1
8	Codeborne	Tallinn	51-200	60	45
9	Xdata Group	Tallinn	51-200	57	28
10	Avalanche Laboratory	Tallinn	51-200	53	46
11	Brocoders On-Demand Technical Team	Tallinn	51-200	49	12
12	Rezet IT Service Company	Tallinn	51-200	49	2
13	Iglu OÜ	Tallinn	51-200	48	39
14	Ronas IT	Tallin	51-200	48	22
15	Mifort	Tallinn	51-200	38	3
16	Perpetio	Tallinn	51-200	35	10
17	Muteki Group	Haabersti Linnaosa	51-200	34	8
18	Aktors	Tallinn	11-50	33	10
19	Embrox OÜ	Tallinn	51-200	31	13
20	OPUS	Tallinn	51-200	29	16
21	Sonerim	Eu Tallinn	11-50	28	7
22	Agileworks Software Development Company	Tallinn	11-50	27	12
23	Bamboo Agile	Tallinn	51-200	25	1
24	Wafer Technologies	Tartu	11-50	23	10
25	Merada	Tallinn	11-50	23	10

Showing 25 of 200 custom software developers based in Estonia

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Custom software developers based in Estonia at a glance

As of Aug 28, 2026

1-10Median size (employees)

TallinnLargest hub · 148 HQs

33Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

102

11-50

51-200

201-500

1,001-5,000

Custom software developers by metro

Metro	Companies
Custom software developers in Tallinn	148
Custom software developers in Tallin	11
Custom software developers in Tartu	9
Custom software developers in Kuressaare	2
Custom software developers in Ili	2
Custom software developers in Kuusalu Vald	2
Custom software developers in Headquarters	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 “custom software developers”, 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 custom software developers are there based in Estonia?

There are 200 custom software developers headquartered in Estonia as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most custom software developers?

Tallinn leads with 148 headquartered companies, followed by Tallin (11) and Tartu (9).

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 889 verified decision-maker contacts tracked across these 200 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.