Company lists · Data verified August 2026

Top 21 Cybersecurity audit companies based in Ireland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 40 companies tracked

There are 40 cybersecurity audit companies headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 495 professional contacts across them, including 185 with verified work emails and 19 with mobile numbers. Dublin is the largest hub.

This list covers cybersecurity audit 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.

40Companies

495Contacts tracked

185Verified emails

19Mobile numbers

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The 21 largest cybersecurity audit companies based in Ireland

Ranked by team size

Top 21 of 40 cybersecurity audit 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	BH Consulting	Blanchardstown	11-50	81	14
3	Cloudguard	Belfast	11-50	33	23
4	Commsec Cyber Security	n/a	11-50	22	8
5	Vmgroup	n/a	11-50	16	11
6	Cyber Armed Security	Dublin	11-50	14	4
7	ATORO	n/a	11-50	13	1
8	Penteor	Rathcoole	11-50	12	1
9	Ward Solutions	n/a	51-200	11	7
10	Enterprise Defence	Sligo	11-50	10	6
11	Intercept Technologies	Dublin	1-10	8	4
12	Secora Consulting LTD	Stranorlar	1-10	7	7
13	Cyberhealth	Dublin	1-10	7	4
14	NOVI	Dublin	11-50	5	3
15	Integrity360 Europe	n/a	201-500	4	3
16	Securicentrix	n/a	1-10	4	3
17	Zirona IT & Cybersecurity	n/a	1-10	4	1
18	Cybersecure365	Killybegs	1-10	3	3
19	Advice Bytes	Dublin	1-10	3	1
20	Eonta Cybersecurity Compliance	n/a	1-10	2	1
21	Agoa-Ltd	Swords	1-10	2	1

Showing 21 of 40 cybersecurity audit companies based in Ireland

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Cybersecurity audit companies based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 16 HQs

19Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cybersecurity audit companies by metro

Metro	Companies
Cybersecurity audit companies in Dublin	16
Cybersecurity audit companies in Belfast	2
Cybersecurity audit companies in Sligo	1
Cybersecurity audit companies in Stranorlar	1
Cybersecurity audit companies in Cahir	1
Cybersecurity audit companies in Waterford	1
Cybersecurity audit companies in Athenry	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 audit 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; 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 audit companies are there based in Ireland?

There are 40 cybersecurity audit 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 cybersecurity audit companies?

Dublin leads with 16 headquartered companies, followed by Belfast (2) and Sligo (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 185 verified decision-maker contacts tracked across these 40 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.