Company lists · Data refreshed October 2026
Top 25 International tax accounting firms based in Ireland
RevenueBase identified 157 company matches for international tax accounting firms associated with Ireland as of October 2026 and tracks 3,737 professional contacts across them, including 1,876 with verified work emails and 93 with mobile numbers. Dublin is the largest hub.
This list covers company matches for international tax accounting firms associated with Ireland, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 1, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.
The 25 largest international tax accounting firms based in Ireland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,374 contacts → | ||||
Exact match “In Ireland, Grant Thornton Ireland and Grant Thornton Corporate Finance Limited (and their respective subsidiary/affiliate entities) operate under an alternative practice…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 2 | 507 contacts → | ||||
Exact match “As one of Ireland's largest law firms, William Fry LLP offers unrivalled legal and tax expertise across the full breadth of the business sector.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 3 | 129 contacts → | ||||
Exact match “At Crowleys DFK we believe in creating value for our clients.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 4 | 112 contacts → | ||||
Exact match “Welcome to FMB Chartered Accountants.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 5 | 98 contacts → | ||||
Exact match “Mazars in Ireland is a leading international audit, tax, advisory and consulting firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 6 | 78 contacts → | ||||
Exact match “OSK have been providing quality and professional business advice to Irish businesses since 1985.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 7 | 74 contacts → | ||||
Exact match “Strata Financial provides a full suite of all accounting, auditing, tax, management, and compliance services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 8 | 68 contacts → | ||||
Exact match “UHY FDW is a leading audit, tax and advisory practice in Ireland, driven to achieve a better future together, for our people, our clients and our communities.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 9 | 45 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 10 | 42 contacts → | ||||
Exact match “Noone Casey is a Dublin based Accountancy & Advisory firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 11 | 40 contacts → | ||||
Exact match “At Malone & Co, we go beyond the numbers.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 12 | 22 contacts → | ||||
Exact match “Medium Practice of the Year - Irish Accountancy Awards 2025 Merry Mullen are a full-service Firm of Chartered Accountant and Chartered Tax Advisers (CTA) based in Dublin 2.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 13 | 22 contacts → | ||||
Exact match “Orbitus is a multidisciplinary firm of legal, tax, and finance professionals, which provide clients with a holistic suite of advisory services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 14 | 21 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 15 | 20 contacts → | ||||
Exact match “Purcell McQuillan Tax Partners is a leading Irish tax advisory firm, established in Dublin in 2001.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 16 | 20 contacts → | ||||
Exact match “Our high standards, efficiency and understanding of compliance, ensure true piece of mind.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 17 | 18 contacts → | ||||
Exact match “TASC accountants are professionally managed firm, established in 2010 in India and started operations in Ireland in 2014.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 18 | 15 contacts → | ||||
Exact match “MSD Accountants provide insight and expertise that supports our clients’ individual needs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 19 | 15 contacts → | ||||
Exact match “Chartered accountants, auditors and tax consultants” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 20 | 14 contacts → | ||||
Exact match “HSOC recognise that to ensure businesses not only successfully achieve but exceed their goals they need a team that is both dedicated and committed to ensuring the realisation of…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 21 | 13 contacts → | ||||
Exact match “Hyland Johnson Keane is a full-service accounting, audit and taxation company in Cork catering to all size businesses.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 22 | 12 contacts → | ||||
Exact match “RDA was founded in 2002 by Paul Redmond.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 23 | 12 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 24 | 11 contacts → | ||||
Exact match “We focus on building strong relationships with our personal and business clients by getting to know them, their plans and their aspirations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match “Duignan Carthy O’Neill has been established for over 50 years and has many years of experience helping businesses and individuals to grow and flourish in Ireland.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “international tax accounting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 157 international tax accounting firms based in Ireland
See the full list, filter by size, metro and specialty, and access 1,876 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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International tax accounting firms based in Ireland at a glance
As of Oct 1, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 33.0dCompany record updated
Median 78.0dHow this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Ireland whose business descriptions match “international tax accounting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 1,876 professional contacts with verified work emails across the full matched dataset. 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 October 1, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
International tax accounting firms by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “international tax accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many international tax accounting firms are there based in Ireland?
RevenueBase identified 157 company matches for international tax accounting firms associated with Ireland as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Grant Thornton Ireland tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most international tax accounting firms?
Dublin leads with 32 company records, followed by Cork (8) and Galway (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,876 professional contacts with verified work emails tracked across these 157 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 157 international tax accounting firms based in Ireland. Start with a free account, no credit card.
Download this list →Related lists
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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 SmartSearch, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- International tax accounting firms based in the United States
- International tax accounting firms based in Germany
- International tax accounting firms based in Brazil
- International tax accounting firms based in the United Kingdom
- International tax accounting firms based in Italy
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Company intelligence · public preview
Top 25 international tax accounting firms based in Ireland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 157 matching company records for international tax accounting firms based in Ireland, with 3,737 tracked contacts and 1,876 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 international tax accounting firms based in Ireland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Grant Thornton Irelandgrantthornton.ieHQ: Dublin, IrelandReported employees: 1,001-5,000 | Dublin, Ireland | 1,001-5,000 | Exact match | 2,374 contacts → |
“In Ireland, Grant Thornton Ireland and Grant Thornton Corporate Finance Limited (and their respective subsidiary/affiliate entities) operate under an alternative practice…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  William FRY LLPwilliamfry.comHQ: Dublin, IrelandReported employees: 201-500 | Dublin, Ireland | 201-500 | Exact match | 507 contacts → |
“As one of Ireland's largest law firms, William Fry LLP offers unrivalled legal and tax expertise across the full breadth of the business sector.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Crowleysdfkcrowleysdfk.ieHQ: Dublin 2, IrelandReported employees: 51-200 | Dublin 2, Ireland | 51-200 | Exact match | 129 contacts → |
“At Crowleys DFK we believe in creating value for our clients.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Dublin 7, IrelandReported employees: 11-50 | Dublin 7, Ireland | 11-50 | Exact match | 112 contacts → |
“Welcome to FMB Chartered Accountants.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Mazars In Irelandforvismazars.comHQ: Dublin 2, IrelandReported employees: 501-1,000 | Dublin 2, Ireland | 501-1,000 | Exact match | 98 contacts → |
“Mazars in Ireland is a leading international audit, tax, advisory and consulting firm.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  OSKosk.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 78 contacts → |
“OSK have been providing quality and professional business advice to Irish businesses since 1985.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Strata Financialstratafinancial.ieHQ: Dublin 2, IrelandReported employees: 51-200 | Dublin 2, Ireland | 51-200 | Exact match | 74 contacts → |
“Strata Financial provides a full suite of all accounting, auditing, tax, management, and compliance services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  UHY Farrelly Dawe White Limiteduhyfdw.ieHQ: Dundalk, IrelandReported employees: 51-200 | Dundalk, Ireland | 51-200 | Exact match | 68 contacts → |
“UHY FDW is a leading audit, tax and advisory practice in Ireland, driven to achieve a better future together, for our people, our clients and our communities.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Walsh O'brien Harnettwobh.ieHQ: Dublin 2, IrelandReported employees: 11-50 | Dublin 2, Ireland | 11-50 | Exact match | 45 contacts → |
“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.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Noone Caseynoonecasey.ieHQ: Dublin 2, IrelandReported employees: 11-50 | Dublin 2, Ireland | 11-50 | Exact match | 42 contacts → |
“Noone Casey is a Dublin based Accountancy & Advisory firm.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Malone & COmaloneaccountants.ieHQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 40 contacts → |
“At Malone & Co, we go beyond the numbers.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Merry Mullenmerrymullen.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 22 contacts → |
“Medium Practice of the Year - Irish Accountancy Awards 2025 Merry Mullen are a full-service Firm of Chartered Accountant and Chartered Tax Advisers (CTA) based in Dublin 2.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Orbitusorbitus.ieHQ: Cork, IrelandReported employees: 11-50 | Cork, Ireland | 11-50 | Exact match | 22 contacts → |
“Orbitus is a multidisciplinary firm of legal, tax, and finance professionals, which provide clients with a holistic suite of advisory services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  INTAXintax.ieHQ: Sandyford, IrelandReported employees: 11-50 | Sandyford, Ireland | 11-50 | Exact match | 21 contacts → |
“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.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Purcell Mcquillan TAX Partnerspmqtax.comHQ: Dublin 4, IrelandReported employees: 11-50 | Dublin 4, Ireland | 11-50 | Exact match | 20 contacts → |
“Purcell McQuillan Tax Partners is a leading Irish tax advisory firm, established in Dublin in 2001.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Nexus Chartered Accounts & TAX Advisorsnexusaccounting.ieHQ: Blackrock, IrelandReported employees: 11-50 | Blackrock, Ireland | 11-50 | Exact match | 20 contacts → |
“Our high standards, efficiency and understanding of compliance, ensure true piece of mind.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Tasc Accountantstascaccountants.comHQ: Blanchardstown, IrelandReported employees: 11-50 | Blanchardstown, Ireland | 11-50 | Exact match | 18 contacts → |
“TASC accountants are professionally managed firm, established in 2010 in India and started operations in Ireland in 2014.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | MSD Accountantsmsdaccountants.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 15 contacts → |
“MSD Accountants provide insight and expertise that supports our clients’ individual needs.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Lewis & CO Chartered Accountantslewisco.ieHQ: Blackrock, IrelandReported employees: 1-10 | Blackrock, Ireland | 1-10 | Exact match | 15 contacts → |
“Chartered accountants, auditors and tax consultants” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hsoc Chartered Accountantshsoc.ie HQ: Dun Laoghaire, IrelandReported employees: 11-50 | Dun Laoghaire, Ireland | 11-50 | Exact match | 14 contacts → |
“HSOC recognise that to ensure businesses not only successfully achieve but exceed their goals they need a team that is both dedicated and committed to ensuring the realisation of…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Hyland Johnson Keanehjk.ieHQ: Cork, IrelandReported employees: 11-50 | Cork, Ireland | 11-50 | Exact match | 13 contacts → |
“Hyland Johnson Keane is a full-service accounting, audit and taxation company in Cork catering to all size businesses.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  RDA Accountantsrda.ieHQ: Ardcavan, IrelandReported employees: 11-50 | Ardcavan, Ireland | 11-50 | Exact match | 12 contacts → |
“RDA was founded in 2002 by Paul Redmond.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Cusack & COcusackco.ieHQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 12 contacts → |
“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…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Visio Advisoryvisio.ieHQ: Sutton, IrelandReported employees: 11-50 | Sutton, Ireland | 11-50 | Exact match | 11 contacts → |
“We focus on building strong relationships with our personal and business clients by getting to know them, their plans and their aspirations.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Duignan Carthy O'neilldcon.ie HQ: IrelandReported employees: 11-50 | Ireland | 11-50 | Exact match | 11 contacts → |
“Duignan Carthy O’Neill has been established for over 50 years and has many years of experience helping businesses and individuals to grow and flourish in Ireland.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 157 company matches
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International tax accounting firms: dataset insights
October 1, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
158 records in the displayed employee bands.
The displayed band counts and matching total are separate saved measurements and do not reconcile. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 33.0dCompany record updated
Median 78.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
International tax accounting firms by metro
Questions about this company list
What does Exact match mean for international tax accounting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many international tax accounting firms did RevenueBase find based in Ireland?
The saved snapshot records 157 matching company records, 3,737 tracked contacts and 1,876 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
International tax accounting firms by geography
- International tax accounting firms based in the United States
- International tax accounting firms based in Germany
- International tax accounting firms based in Brazil
- International tax accounting firms based in the United Kingdom
- International tax accounting firms based in Italy
- International tax accounting firms based in Canada
- International tax accounting firms based in Australia
- International tax accounting firms based in Spain
- International tax accounting firms based in Mexico
- International tax accounting firms based in the Netherlands
- International tax accounting firms based in France
- International tax accounting firms based in Argentina
Cite this list
RevenueBase Data Team. Top 25 international tax accounting firms based in Ireland. Snapshot: October 1, 2026. https://revenuebase.ai/companies/international-tax-accounting-firms/ireland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- International tax accounting firms based in the United States
- International tax accounting firms based in Germany
- International tax accounting firms based in Brazil
- International tax accounting firms based in the United Kingdom
- International tax accounting firms based in Italy
- International tax accounting firms based in Canada
Company intelligence · public preview
Top 25 international tax accounting firms based in Ireland
RevenueBase records 157 matching company records for international tax accounting firms based in Ireland, with 3,737 tracked contacts and 1,876 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 international tax accounting firms based in Ireland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Grant Thornton Irelandgrantthornton.ie HQ: Dublin, IrelandReported employees: 1,001-5,000 | Dublin, Ireland | 1,001-5,000 | Exact match | 2,374 contacts → |
“In Ireland, Grant Thornton Ireland and Grant Thornton Corporate Finance Limited (and their respective subsidiary/affiliate entities) operate under an alternative practice…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | William FRY LLPwilliamfry.com HQ: Dublin, IrelandReported employees: 201-500 | Dublin, Ireland | 201-500 | Exact match | 507 contacts → |
“As one of Ireland's largest law firms, William Fry LLP offers unrivalled legal and tax expertise across the full breadth of the business sector.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Crowleysdfkcrowleysdfk.ie HQ: Dublin 2, IrelandReported employees: 51-200 | Dublin 2, Ireland | 51-200 | Exact match | 129 contacts → |
“At Crowleys DFK we believe in creating value for our clients.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Dublin 7, IrelandReported employees: 11-50 | Dublin 7, Ireland | 11-50 | Exact match | 112 contacts → |
“Welcome to FMB Chartered Accountants.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Mazars In Irelandforvismazars.com HQ: Dublin 2, IrelandReported employees: 501-1,000 | Dublin 2, Ireland | 501-1,000 | Exact match | 98 contacts → |
“Mazars in Ireland is a leading international audit, tax, advisory and consulting firm.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | OSKosk.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 78 contacts → |
“OSK have been providing quality and professional business advice to Irish businesses since 1985.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Strata Financialstratafinancial.ie HQ: Dublin 2, IrelandReported employees: 51-200 | Dublin 2, Ireland | 51-200 | Exact match | 74 contacts → |
“Strata Financial provides a full suite of all accounting, auditing, tax, management, and compliance services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | UHY Farrelly Dawe White Limiteduhyfdw.ie HQ: Dundalk, IrelandReported employees: 51-200 | Dundalk, Ireland | 51-200 | Exact match | 68 contacts → |
“UHY FDW is a leading audit, tax and advisory practice in Ireland, driven to achieve a better future together, for our people, our clients and our communities.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Walsh O'brien Harnettwobh.ie HQ: Dublin 2, IrelandReported employees: 11-50 | Dublin 2, Ireland | 11-50 | Exact match | 45 contacts → |
“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.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Noone Caseynoonecasey.ie HQ: Dublin 2, IrelandReported employees: 11-50 | Dublin 2, Ireland | 11-50 | Exact match | 42 contacts → |
“Noone Casey is a Dublin based Accountancy & Advisory firm.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Malone & COmaloneaccountants.ie HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 40 contacts → |
“At Malone & Co, we go beyond the numbers.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Merry Mullenmerrymullen.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 22 contacts → |
“Medium Practice of the Year - Irish Accountancy Awards 2025 Merry Mullen are a full-service Firm of Chartered Accountant and Chartered Tax Advisers (CTA) based in Dublin 2.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Orbitusorbitus.ie HQ: Cork, IrelandReported employees: 11-50 | Cork, Ireland | 11-50 | Exact match | 22 contacts → |
“Orbitus is a multidisciplinary firm of legal, tax, and finance professionals, which provide clients with a holistic suite of advisory services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | INTAXintax.ie HQ: Sandyford, IrelandReported employees: 11-50 | Sandyford, Ireland | 11-50 | Exact match | 21 contacts → |
“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.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Purcell Mcquillan TAX Partnerspmqtax.com HQ: Dublin 4, IrelandReported employees: 11-50 | Dublin 4, Ireland | 11-50 | Exact match | 20 contacts → |
“Purcell McQuillan Tax Partners is a leading Irish tax advisory firm, established in Dublin in 2001.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Nexus Chartered Accounts & TAX Advisorsnexusaccounting.ie HQ: Blackrock, IrelandReported employees: 11-50 | Blackrock, Ireland | 11-50 | Exact match | 20 contacts → |
“Our high standards, efficiency and understanding of compliance, ensure true piece of mind.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Tasc Accountantstascaccountants.com HQ: Blanchardstown, IrelandReported employees: 11-50 | Blanchardstown, Ireland | 11-50 | Exact match | 18 contacts → |
“TASC accountants are professionally managed firm, established in 2010 in India and started operations in Ireland in 2014.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | MSD Accountantsmsdaccountants.com HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 15 contacts → |
“MSD Accountants provide insight and expertise that supports our clients’ individual needs.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Lewis & CO Chartered Accountantslewisco.ie HQ: Blackrock, IrelandReported employees: 1-10 | Blackrock, Ireland | 1-10 | Exact match | 15 contacts → |
“Chartered accountants, auditors and tax consultants” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hsoc Chartered Accountantshsoc.ie HQ: Dun Laoghaire, IrelandReported employees: 11-50 | Dun Laoghaire, Ireland | 11-50 | Exact match | 14 contacts → |
“HSOC recognise that to ensure businesses not only successfully achieve but exceed their goals they need a team that is both dedicated and committed to ensuring the realisation of…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hyland Johnson Keanehjk.ie HQ: Cork, IrelandReported employees: 11-50 | Cork, Ireland | 11-50 | Exact match | 13 contacts → |
“Hyland Johnson Keane is a full-service accounting, audit and taxation company in Cork catering to all size businesses.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | RDA Accountantsrda.ie HQ: Ardcavan, IrelandReported employees: 11-50 | Ardcavan, Ireland | 11-50 | Exact match | 12 contacts → |
“RDA was founded in 2002 by Paul Redmond.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cusack & COcusackco.ie HQ: Dublin, IrelandReported employees: 11-50 | Dublin, Ireland | 11-50 | Exact match | 12 contacts → |
“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…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Visio Advisoryvisio.ie HQ: Sutton, IrelandReported employees: 11-50 | Sutton, Ireland | 11-50 | Exact match | 11 contacts → |
“We focus on building strong relationships with our personal and business clients by getting to know them, their plans and their aspirations.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Duignan Carthy O'neilldcon.ie HQ: IrelandReported employees: 11-50 | Ireland | 11-50 | Exact match | 11 contacts → |
“Duignan Carthy O’Neill has been established for over 50 years and has many years of experience helping businesses and individuals to grow and flourish in Ireland.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 157 company matches
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International tax accounting firms: dataset insights
October 1, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
158 records in the displayed employee bands.
The displayed band counts and matching total are separate saved measurements and do not reconcile. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 33.0dCompany record updated
Median 78.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
International tax accounting firms by metro
Questions about this company list
What does Exact match mean for international tax accounting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many international tax accounting firms did RevenueBase find based in Ireland?
The saved snapshot records 157 matching company records, 3,737 tracked contacts and 1,876 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 international tax accounting firms based in Ireland. Snapshot: October 1, 2026. https://revenuebase.ai/companies/international-tax-accounting-firms/ireland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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