Company lists · Data verified August 2026

Top 25 Cybersecurity and recovery firms based in Ireland

Name: Cybersecurity and recovery firms based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 42 companies tracked

There are 42 cybersecurity and recovery firms headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 541 professional contacts across them, including 262 with verified work emails and 20 with mobile numbers. Dublin is the largest hub.

This list covers cybersecurity and recovery firms 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.

42Companies

541Contacts tracked

262Verified emails

20Mobile numbers

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The 25 largest cybersecurity and recovery firms based in Ireland

Ranked by team size

Top 25 of 42 cybersecurity and recovery firms 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	Vmgroup	n/a	11-50	16	11
7	Cyber Armed Security	Dublin	11-50	14	4
8	AVR	n/a	51-200	14	2
9	ATORO	n/a	11-50	13	1
10	Penteor	Rathcoole	11-50	12	1
11	Ward Solutions	n/a	51-200	11	7
12	Enterprise Defence	Sligo	11-50	10	6
13	Secora Consulting LTD	Stranorlar	1-10	7	7
14	Cyberhealth	Dublin	1-10	7	4
15	Leacam Technology Consulting LTD	Dublin	1-10	7	3
16	NOVI	Dublin	11-50	5	3
17	Itus Secure Technologies	Letterkenny	1-10	5	3
18	Integrity360 Europe	n/a	201-500	4	3
19	Securicentrix	n/a	1-10	4	3
20	IT Security People	Skehanagh Clarecastle	1-10	4	3
21	Zirona IT & Cybersecurity	n/a	1-10	4	1
22	Cybersecure365	Killybegs	1-10	3	3
23	Advice Bytes	Dublin	1-10	3	1
24	Eonta Cybersecurity Compliance	n/a	1-10	2	1
25	Verus Risk Management	n/a	1-10	1	1

Showing 25 of 42 cybersecurity and recovery firms based in Ireland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 262 reachable decision-makers.

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Cybersecurity and recovery firms based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 13 HQs

20Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

5,001-10,000

Cybersecurity and recovery firms by metro

Metro	Companies
Cybersecurity and recovery firms in Dublin	13
Cybersecurity and recovery firms in Belfast	2
Cybersecurity and recovery firms in Sligo	1
Cybersecurity and recovery firms in Sandyford	1
Cybersecurity and recovery firms in Stranorlar	1
Cybersecurity and recovery firms in Dun Laoghaire	1
Cybersecurity and recovery firms in Cahir	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 and recovery firms”, 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 and recovery firms are there based in Ireland?

There are 42 cybersecurity and recovery firms 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 and recovery firms?

Dublin leads with 13 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 262 verified decision-maker contacts tracked across these 42 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.