Company lists · Data refreshed September 2026

Top 25 Accountant practice management companies based in Ireland

RevenueBase identified 147 accountant practice management companies headquartered in Ireland as of September 2026 and tracks 3,453 professional contacts across them, including 1,681 with verified work emails. Dublin is the largest hub.

This list covers accountant practice 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 21, 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 21, 2026 86% judged on-target in blind review
147Companies
3,453Contacts tracked
1,681Verified emails
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The 25 largest accountant practice management companies based in Ireland

Ranked by team size
Top 25 of 147 accountant practice management companies based in Ireland, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to accountant practice 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
1Partial evidenceDublin, IrelandHQ checked Sep 21, 20261,001-5,0002,374 contacts →

Partial 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 21, 2026
2Partial evidenceDublin 7, IrelandHQ checked Sep 21, 202611-50112 contacts →

Partial evidence

“Welcome to FMB Chartered Accountants.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceDublin, IrelandHQ checked Sep 21, 202611-5078 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceDublin, IrelandHQ checked Sep 21, 202611-5062 contacts →

Partial evidence

“TaxAssist Accountants offers an accountancy service that reflects the way we all work today.”

Source: RevenueBase Database · checked Sep 21, 2026
5Partial evidenceDublin, IrelandHQ checked Sep 21, 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 21, 2026
6Partial evidenceDublin 2, IrelandHQ checked Sep 21, 202611-5042 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceSligo, IrelandHQ checked Sep 21, 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 21, 2026
8Partial evidenceCo. Wexford, IrelandHQ checked Sep 21, 202611-5035 contacts →

Partial evidence

“OmniPro works at the heart of the Accountancy profession.”

Source: RevenueBase Database · checked Sep 21, 2026
9Partial evidenceDundrum, IrelandHQ checked Sep 21, 202611-5034 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceKells, IrelandHQ checked Sep 21, 202611-5024 contacts →

Indirect evidence

“At Woods and Partners, our experience is reflected in the services we offer.”

Source: RevenueBase Database · checked Sep 21, 2026
11Partial evidenceSandyford, IrelandHQ checked Sep 21, 202611-5021 contacts →

Partial evidence

“Intax is award-winning for the best corporate service accountancy firm -Dublin (2021) and tailor accounting, taxation and corporate services to suit companies of all sizes.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceGalway, IrelandHQ checked Sep 21, 202611-5020 contacts →

Indirect evidence

“The goal of DEACY GILLIGAN LTD is to provide quality professional services of the highest standard.”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceBlanchardstown, IrelandHQ checked Sep 21, 202611-5018 contacts →

Partial evidence

“TASC accountants are professionally managed firm, established in 2010 in India and started operations in Ireland in 2014.”

Source: RevenueBase Database · checked Sep 21, 2026
14Partial evidenceEnnis, IrelandHQ checked Sep 21, 202611-5017 contacts →

Partial evidence

“AMQ is a multidisciplinary firm of Accountants, Registered Auditors and Business Consultants.”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceRanelagh, IrelandHQ checked Sep 21, 202611-5017 contacts →

Indirect evidence

“TGS Ireland GBW provides Professional Services to Small and Mediun Sized Businesses.”

Source: RevenueBase Database · checked Sep 21, 2026
16Strong evidenceDublin, IrelandHQ checked Sep 21, 202651-20014 contacts →

Strong evidence

“JPA Brenson Lawlor is amongst the Top Fifteen accountancy and business practices specialising in a variety of sectors, mostly family owned or owner managed, including pharmacies…”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceClonmel, IrelandHQ checked Sep 21, 202611-5014 contacts →

Indirect evidence

“At OGBP we aim to understand our clients’ business`s and work with them in achieving their goals.”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceBlanchardstown, IrelandHQ checked Sep 21, 202611-5013 contacts →

Indirect evidence

“Solve Outsource is a specialist accounting service provider.”

Source: RevenueBase Database · checked Sep 21, 2026
19Partial evidenceCork, IrelandHQ checked Sep 21, 202611-5013 contacts →

Partial evidence

“Partnering with us at Paul O’Donovan & Associates allows you time to focus on your business while we provide the Accountancy solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceDublin, IrelandHQ checked Sep 21, 202611-5012 contacts →

Indirect evidence

“Cusack & Co offers both traditional accounting and tax services as well as value added solutions to local and international companies, individuals, self-employed persons and…”

Source: RevenueBase Database · checked Sep 21, 2026
21Strong evidenceSwords, IrelandHQ checked Sep 21, 202611-5011 contacts →

Strong evidence

“Ireland's overall Practice of the Year 2026 and Online Practice of the Year two years running - Irish Accountancy Awards.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceBallsbridge, IrelandHQ checked Sep 21, 202611-5010 contacts →

Indirect evidence

“Tynan Dillon was founded in 1952 by Pat Tynan and Sean Dillon.”

Source: RevenueBase Database · checked Sep 21, 2026
23Partial evidenceOranmore, IrelandHQ checked Sep 21, 20261-109 contacts →

Partial evidence

“We are a team of qualified accountants, with over 20 years experience, working with organisations in the Publishing, Telecoms, Financial Services, Retail, IT, Food and…”

Source: RevenueBase Database · checked Sep 21, 2026
24Strong evidenceCork, IrelandHQ checked Sep 21, 202611-509 contacts →

Strong evidence

“As one of Cork’s long established accountancy practices we are known for our reliable service and personal touch.”

Source: RevenueBase Database · checked Sep 21, 2026
25Strong evidenceCarlow, IrelandHQ checked Sep 21, 20261-109 contacts →

Strong evidence

“MJD Accountants is small accountancy practice with offices in Dublin and Carlow.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 147 accountant practice management companies based in Ireland

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Accountant practice management companies based in Ireland at a glance

As of Sep 21, 2026
48.7%Verified-email coverage
23.5Average contacts per company
1-10Median size (employees)
14.3%Largest-city concentration · Dublin
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
91
11-50
48
51-200
6
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Ireland, so it is reported there. Company counts and contact totals on this page are exact for Ireland, over 147 companies.

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 accountant practice 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 “accountant practice 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 accountant practice 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 accountant practice 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, 1,681 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 21, 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.

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 accountant practice 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 accountant practice management companies are there based in Ireland?

RevenueBase identified 147 accountant practice 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 accountant practice management companies?

Dublin leads with 21 headquartered companies, followed by Cork (8) and Galway (7).

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 1,681 verified decision-maker contacts tracked across these 147 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 21, 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.