Company lists · Data verified August 2026

Top 25 Accounting services outsourcing companies based in Ireland

Name: Accounting services outsourcing companies based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 164 companies tracked

There are 164 accounting services outsourcing companies headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 1,923 professional contacts across them, including 417 with verified work emails and 65 with mobile numbers. Dublin is the largest hub.

This list covers accounting services outsourcing 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.

164Companies

1,923Contacts tracked

417Verified emails

65Mobile numbers

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The 25 largest accounting services outsourcing companies based in Ireland

Ranked by team size

Top 25 of 164 accounting services outsourcing 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	Axon Outsourcing Limited	n/a	51-200	118	2
2	OSK	n/a	11-50	77	21
3	Cronin & Company	Terenure	11-50	74	43
4	HLB Ireland	Sandyford Industrial Estate	51-200	69	42
5	Taxassist Accountants Ireland	n/a	11-50	62	38
6	Kinore, Finance & Business Services	Letterkenny	51-200	61	43
7	Retail Financial Solutions RFS	n/a	11-50	42	27
8	MBSL	Dundrum	11-50	34	15
9	INTAX	n/a	11-50	21	7
10	Deacy Gilligan Ltd. Chartered Accountants	Galway	11-50	20	10
11	TGS Ireland - GBW	n/a	11-50	17	4
12	Finance Services	n/a	11-50	17	3
13	AMQ Accountants & Auditors AMQ	Ennis	11-50	16	11
14	Lewis & CO Chartered Accountants	n/a	1-10	15	6
15	Solve Outsource	Blanchardstown	11-50	13	11
16	Hyland Johnson Keane	Cork	11-50	13	9
17	Sakura Business Solutions LTD	n/a	1-10	12	6
18	Beyond Accounting	n/a	11-50	11	6
19	Shelbourne Accountants	Dublin	11-50	11	6
20	Greavy And CO Accountants	n/a	11-50	10	6
21	CHK Partnership	Cork	11-50	9	6
22	Aperio	n/a	11-50	6	5
23	O'mara Loftus & CO Limited	Ballina	11-50	6	2
24	Dermot O'malley & CO	Dublin	11-50	5	4
25	PTB Accounting LTD	n/a	1-10	5	4

Showing 25 of 164 accounting services outsourcing companies based in Ireland

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Accounting services outsourcing companies based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 29 HQs

65Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

118

11-50

51-200

Accounting services outsourcing companies by metro

Metro	Companies
Accounting services outsourcing companies in Dublin	29
Accounting services outsourcing companies in Cork	9
Accounting services outsourcing companies in Galway	5
Accounting services outsourcing companies in Kilkenny	3
Accounting services outsourcing companies in Waterford	3
Accounting services outsourcing companies in Ballina	3
Accounting services outsourcing companies in Terenure	2

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 “accounting services outsourcing 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; 5 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 accounting services outsourcing companies are there based in Ireland?

There are 164 accounting services outsourcing companies headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

Axon Outsourcing Limited, headquartered in Ireland, tops this list with the largest team on record.

Which city has the most accounting services outsourcing companies?

Dublin leads with 29 headquartered companies, followed by Cork (9) and Galway (5).

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 417 verified decision-maker contacts tracked across these 164 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.