Company lists · Data verified August 2026

Top 14 AI cybersecurity companies based in Ireland

Name: AI cybersecurity companies based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 27 companies tracked

There are 27 AI cybersecurity companies headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 478 professional contacts across them, including 235 with verified work emails and 20 with mobile numbers. Dublin is the largest hub.

This list covers AI cybersecurity companies headquartered in Ireland, 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.

27Companies

478Contacts tracked

235Verified emails

20Mobile numbers

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The 14 largest AI cybersecurity companies based in Ireland

Ranked by team size

Top 14 of 27 AI cybersecurity companies based in Ireland, 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	Smarttech247	Belfast	51-200	188	79
2	Trend Micro Europe	Cork	5,001-10,000	76	54
3	Threatscape	Sandyford	11-50	38	30
4	Cloudguard	Belfast	11-50	33	23
5	Commsec Cyber Security	n/a	11-50	22	8
6	Dectar	Dubli	11-50	21	13
7	Mirror Security	Dublin	11-50	18	12
8	Cyber Armed Security	Dublin	11-50	14	4
9	Connecting Dots	Dublin	1-10	12	3
10	IT Security People	Skehanagh Clarecastle	1-10	4	3
11	Cytekone	n/a	1-10	3	3
12	Advice Bytes	Dublin	1-10	3	1
13	Pure IT Universe	Dublin	1-10	1	1
14	Noone Cyber Services	Ballinasloe	1-10	1	1

Showing 14 of 27 AI cybersecurity companies based in Ireland

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AI cybersecurity companies based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 10 HQs

20Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

5,001-10,000

AI cybersecurity companies by metro

Metro	Companies
AI cybersecurity companies in Dublin	10
AI cybersecurity companies in Belfast	2
AI cybersecurity companies in Wexford	1
AI cybersecurity companies in Sandyford	1
AI cybersecurity companies in Tralee	1
AI cybersecurity companies in Wicklow	1
AI cybersecurity companies in Dubli	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 cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Ireland.
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; 2 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 cybersecurity companies are there based in Ireland?

There are 27 AI cybersecurity companies headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

Smarttech247, headquartered in Belfast, tops this list with the largest team on record.

Which city has the most AI cybersecurity companies?

Dublin leads with 10 headquartered companies, followed by Belfast (2) and Wexford (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 235 verified decision-maker contacts tracked across these 27 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.