Company lists · Data verified August 2026

Top 10 Cybersecurity risk consulting companies based in Estonia

There are 39 cybersecurity risk consulting companies headquartered in Estonia (RevenueBase, August 2026). RevenueBase tracks 223 professional contacts across them, including 26 with verified work emails and 4 with mobile numbers. Tallinn is the largest hub.

This list covers cybersecurity risk consulting 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.

39Companies
223Contacts tracked
26Verified emails
4Mobile numbers
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The 10 largest cybersecurity risk consulting companies based in Estonia

Ranked by team size
Top 10 of 39 cybersecurity risk consulting companies based in Estonia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1SecnoraHaaslava11-50313
2Datami Cybersecurity ServicesTallinn11-50243
3Nordis GlobalTallinn1-10156
4Sekurno CybersecurityTallinn1-10114
5OcticodeTallinn1-1072
6cybertech.globalTartu1-1062
7Cybertex SecurityTallinn1-1032
8CybersCity Centre51-20031
9Cyberross OUTallinn11-5031
10cyberwise.spaceTallinn1-1011

Showing 10 of 39 cybersecurity risk consulting companies based in Estonia

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Cybersecurity risk consulting companies based in Estonia at a glance

As of Aug 28, 2026
1-10Median size (employees)
TallinnLargest hub · 28 HQs
4Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
26
11-50
10
51-200
3

Cybersecurity risk consulting companies by metro

MetroCompanies
Cybersecurity risk consulting companies in Tallinn28
Cybersecurity risk consulting companies in Tallin2
Cybersecurity risk consulting companies in Tartu Linn1
Cybersecurity risk consulting companies in Peetri1
Cybersecurity risk consulting companies in Haaslava1
Cybersecurity risk consulting companies in Tartu1
Cybersecurity risk consulting companies in Lasnamae Linnaosa1

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 risk consulting 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 risk consulting companies are there based in Estonia?

There are 39 cybersecurity risk consulting companies headquartered in Estonia as of August 2026 (RevenueBase).

What is the largest company on this list?

Secnora, headquartered in Haaslava, tops this list with the largest team on record.

Which city has the most cybersecurity risk consulting companies?

Tallinn leads with 28 headquartered companies, followed by Tallin (2) 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 26 verified decision-maker contacts tracked across these 39 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.