Company lists · Data refreshed September 2026

Top 25 Accounting firm management companies based in Ireland

RevenueBase identified 468 accounting firm management companies headquartered in Ireland as of September 2026 and tracks 6,286 professional contacts across them, including 3,080 with verified work emails and 184 with mobile numbers. Dublin is the largest hub.

This list covers accounting firm management companies headquartered in Ireland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review
468Companies
6,286Contacts tracked
3,080Verified emails
184Mobile numbers
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The 25 largest accounting firm management companies based in Ireland

Ranked by team size
Top 25 of 468 accounting firm management companies based in Ireland, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to accounting firm management companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceDublin, IrelandHQ checked Sep 22, 20261,001-5,0002,374 contacts →

Indirect evidence

“In Ireland, Grant Thornton Ireland and Grant Thornton Corporate Finance Limited (and their respective subsidiary/affiliate entities) operate under an alternative practice…”

Source: RevenueBase Database · checked Sep 22, 2026
2Indirect evidenceLimerick, IrelandHQ checked Sep 22, 2026201-500178 contacts →

Indirect evidence

“DM is an independent financial services company headquartered in Ireland with offices in Singapore, Netherlands, the UK and the Cayman Islands.”

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidenceDublin 2, IrelandHQ checked Sep 22, 202651-200129 contacts →

Indirect evidence

“At Crowleys DFK we believe in creating value for our clients.”

Source: RevenueBase Database · checked Sep 22, 2026
4Indirect evidenceDublin 18, IrelandHQ checked Sep 22, 202651-200119 contacts →

Indirect evidence

“One brand.”

Source: RevenueBase Database · checked Sep 22, 2026
5Indirect evidenceDublin 7, IrelandHQ checked Sep 22, 202611-50112 contacts →

Indirect evidence

“Welcome to FMB Chartered Accountants.”

Source: RevenueBase Database · checked Sep 22, 2026
6Indirect evidenceDublin, IrelandHQ checked Sep 22, 202611-5078 contacts →

Indirect evidence

“OSK have been providing quality and professional business advice to Irish businesses since 1985.”

Source: RevenueBase Database · checked Sep 22, 2026
7Indirect evidenceLimerick, IrelandHQ checked Sep 22, 202651-20075 contacts →

Indirect evidence

“BDO is the only multi-disciplined, “relationship based” accountancy firm focusing on entrepreneurial and growing businesses in Ireland.”

Source: RevenueBase Database · checked Sep 22, 2026
8Indirect evidenceCork, IrelandHQ checked Sep 22, 202651-20074 contacts →

Indirect evidence

“At Baker Tilly, we care about you and the impact you make.”

Source: RevenueBase Database · checked Sep 22, 2026
9Indirect evidenceTerenure, IrelandHQ checked Sep 22, 202611-5074 contacts →

Indirect evidence

“Cronin & Company was established in 1978 by Michael Cronin.”

Source: RevenueBase Database · checked Sep 22, 2026
10Strong evidenceDublin 2, IrelandHQ checked Sep 22, 202651-20074 contacts →

Strong evidence

“Strata Financial provides a full suite of all accounting, auditing, tax, management, and compliance services.”

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceDublin, IrelandHQ checked Sep 22, 202651-20070 contacts →

Indirect evidence

“HLB Ireland provide quality accountancy services and business advice to entrepreneurial and owner managed businesses.”

Source: RevenueBase Database · checked Sep 22, 2026
12Indirect evidenceDublin, IrelandHQ checked Sep 22, 202651-20066 contacts →

Indirect evidence

“With an Irish heritage dating back to 1958, we’ve built a legacy in expertise, simplicity and an unrelenting commitment to client success.”

Source: RevenueBase Database · checked Sep 22, 2026
13Partial evidenceDublin, IrelandHQ checked Sep 22, 202651-20061 contacts →

Partial evidence

“Kinore is a multi-award-winning chartered accountancy firm offering accounting, bookkeeping, payroll, and company secretarial services.”

Source: RevenueBase Database · checked Sep 22, 2026
14Indirect evidenceTralee, IrelandHQ checked Sep 22, 202611-5060 contacts →

Indirect evidence

“Welcome to CSG, a leading accountancy firm in Ireland providing professional services to businesses of all sizes.”

Source: RevenueBase Database · checked Sep 22, 2026
15Indirect evidenceKilkenny, IrelandHQ checked Sep 22, 202651-20048 contacts →

Indirect evidence

“O’Neill Foley is the largest independent firm of Chartered Accountants in the South East of Ireland and we’ve been helping businesses grow since 1958.”

Source: RevenueBase Database · checked Sep 22, 2026
16Partial evidenceDublin 2, IrelandHQ checked Sep 22, 202611-5045 contacts →

Partial evidence

“Based in Dublin, Walsh O’Brien Harnett is one of Ireland’s top 20 professional advisory firms offering a wide range of accounting, audit, tax, advisory and corporate services.”

Source: RevenueBase Database · checked Sep 22, 2026
17Indirect evidenceDublin 2, IrelandHQ checked Sep 22, 202611-5042 contacts →

Indirect evidence

“Noone Casey is a Dublin based Accountancy & Advisory firm.”

Source: RevenueBase Database · checked Sep 22, 2026
18Partial evidenceSligo, IrelandHQ checked Sep 22, 202651-20041 contacts →

Partial evidence

“Gilroy Gannon brings to its clients a unique partnership - people drawn together from the major international accounting firms, industry and small practice with the common goal of…”

Source: RevenueBase Database · checked Sep 22, 2026
19Indirect evidenceDublin, IrelandHQ checked Sep 22, 202651-20040 contacts →

Indirect evidence

“At Malone & Co, we go beyond the numbers.”

Source: RevenueBase Database · checked Sep 22, 2026
20Partial evidenceDundrum, IrelandHQ checked Sep 22, 202611-5034 contacts →

Partial evidence

“MBSL is a firm of chartered accountants specialising in outsourced accounting.”

Source: RevenueBase Database · checked Sep 22, 2026
21Indirect evidenceAshbourne, IrelandHQ checked Sep 22, 202611-5030 contacts →

Indirect evidence

“DBASS are a medium sized chartered accountancy firm based in Leinster, which has been delivering a broad range of accountancy and business advisory services to our clients for…”

Source: RevenueBase Database · checked Sep 22, 2026
22Indirect evidenceSwords, IrelandHQ checked Sep 22, 202611-5030 contacts →

Indirect evidence

“McInerney Saunders is a firm of Chartered Accountants & Business Advisers with offices in Swords, North County Dublin, adjacent to Dublin's international airport, which is part of…”

Source: RevenueBase Database · checked Sep 22, 2026
23Indirect evidenceDublin 2, IrelandHQ checked Sep 22, 202611-5027 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 22, 2026
24Indirect evidenceUpper Mount Street, IrelandHQ checked Sep 22, 202611-5026 contacts →

Indirect evidence

“A dynamic firm of Chartered Accountants and Business Advisors in the Dublin city centre.”

Source: RevenueBase Database · checked Sep 22, 2026
25Indirect evidenceTullamore, IrelandHQ checked Sep 22, 202611-5025 contacts →

Indirect evidence

“BCA provide a full range of proactive financial, taxation, business advisory, audit, company secretarial and commercial services to our broad range of clients.”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 25 of 468 accounting firm management companies based in Ireland

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Accounting firm management companies based in Ireland at a glance

As of Sep 22, 2026
49.0%Verified-email coverage
2.9%Mobile-number coverage
13.4Average contacts per company
1-10Median size (employees)
13.5%Largest-city concentration · Dublin
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
280
11-50
160
51-200
20
201-500
4
1,001-5,000
2

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 24.0d

Company record updated

Median 76.0d

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among accounting firm management companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Ireland whose own description of what they do matches “accounting firm management companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names accounting firm management companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among accounting firm management companies, and records with no verified work email. Companies headquartered outside Ireland are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 3,080 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Accounting firm management companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names accounting firm management companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many accounting firm management companies are there based in Ireland?

RevenueBase identified 468 accounting firm management companies headquartered in Ireland as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Grant Thornton Ireland, headquartered in Ireland, tops this list with the largest team on record.

Which city has the most accounting firm management companies?

Dublin leads with 63 headquartered companies, followed by Cork (17) and Limerick (17).

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 3,080 verified decision-maker contacts tracked across these 468 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.