Company lists · Data verified August 2026

Top 15 Cybersecurity consultancy companies based in Estonia

Name: Cybersecurity consultancy companies based in Estonia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 55 companies tracked

There are 55 cybersecurity consultancy companies headquartered in Estonia (RevenueBase, August 2026). RevenueBase tracks 267 professional contacts across them, including 54 with verified work emails and 3 with mobile numbers. Tallinn is the largest hub.

This list covers cybersecurity consultancy 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.

55Companies

267Contacts tracked

54Verified emails

3Mobile numbers

Unlock all 55 companies Free account · no credit card · 2 minutes

The 15 largest cybersecurity consultancy companies based in Estonia

Ranked by team size

Top 15 of 55 cybersecurity consultancy 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	Datami Cybersecurity Services	Tallinn	11-50	24	3
2	Clarified Security OÜ	Tallinn	11-50	21	18
3	Nordis Global	Tallinn	1-10	15	6
4	Astarios Labs	Tallinn	11-50	13	5
5	Sekurno Cybersecurity	Tallinn	1-10	11	4
6	Talgen Cybersecurity	Tallinn	11-50	9	4
7	Octicode	Tallinn	1-10	7	2
8	cybertech.global	Tartu	1-10	6	2
9	Cybertex Security	Tallinn	1-10	3	2
10	Cybers	City Centre	51-200	3	1
11	Cyberross OU	Tallinn	11-50	3	1
12	Instar Talent	Tallinn	1-10	2	2
13	Foxworx OÜ	Viimsi Vald	1-10	2	1
14	cyberwise.space	Tallinn	1-10	1	1
15	Datasec LLC	Tallinn	1-10	1	1

Showing 15 of 55 cybersecurity consultancy companies based in Estonia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 54 reachable decision-makers.

Free account · no credit card

See all 55 companies

Cybersecurity consultancy companies based in Estonia at a glance

As of Aug 28, 2026

1-10Median size (employees)

TallinnLargest hub · 42 HQs

3Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cybersecurity consultancy companies by metro

Metro	Companies
Cybersecurity consultancy companies in Tallinn	42
Cybersecurity consultancy companies in Tallin	3
Cybersecurity consultancy companies in Tartu Linn	1
Cybersecurity consultancy companies in Peetri	1
Cybersecurity consultancy companies in Viimsi Vald	1
Cybersecurity consultancy companies in Pudisoo Kula Kuusalu Vald	1
Cybersecurity consultancy companies in Tartu	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 “cybersecurity consultancy 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 cybersecurity consultancy companies are there based in Estonia?

There are 55 cybersecurity consultancy companies headquartered in Estonia as of August 2026 (RevenueBase).

What is the largest company on this list?

Datami Cybersecurity Services, headquartered in Tallinn, tops this list with the largest team on record.

Which city has the most cybersecurity consultancy companies?

Tallinn leads with 42 headquartered companies, followed by Tallin (3) and Tartu Linn (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 54 verified decision-maker contacts tracked across these 55 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.

Ready to reach these companies? Verified emails and direct dials for all 55 cybersecurity consultancy companies based in Estonia. Start with a free account, no credit card.

Get the full list

Related lists

Cybersecurity consultancy companies by geography

Browse the directory

Browse: Companies home · All Estonia lists · All Cybersecurity consultancy companies lists · New lists

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.