Company lists · Data refreshed September 2026
Top 25 Niche law firms based in Ireland
RevenueBase identified 95 niche law firms headquartered in Ireland as of September 2026 and tracks 3,073 professional contacts across them, including 2,089 with verified work emails. Dublin is the largest hub.
This list covers niche law firms 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 14, 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.
The 25 largest niche law firms based in Ireland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 913 contacts → | ||||
Partial evidence “Arthur Cox LLP is one of Ireland’s leading law firms.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 666 contacts → | ||||
Partial evidence “Mason Hayes & Curran LLP is a leading Irish law firm based in Dublin with offices in San Francisco, New York and London, three of Ireland’s most important conduits for inward…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 66 contacts → | ||||
Partial evidence “Comyn Kelleher Tobin LLP (CKT) is a leading Irish law firm with offices in Cork and Dublin offering expert legal advice to commercial, public sector and private clients.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 52 contacts → | ||||
Partial evidence “MHP Sellors LLP is the largest dual-county legal team in the Mid-West region formed by merger of award winning law firms MHP Solicitors & Sellors and has the expertise and…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 44 contacts → | ||||
Indirect evidence “At Ivor Fitzpatrick & Company, our experienced, talented and committed professionals are passionate about providing excellent advice and encourage you to expect more.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 37 contacts → | ||||
Indirect evidence “We are a dedicated team of skilled litigation professionals.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 31 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 31 contacts → | ||||
Partial evidence “Gore & Grimes Solicitors LLP is a full-service commercial law firm that delivers excellent Partner driven legal services tailored to companies and individuals for all their…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 25 contacts → | ||||
Partial evidence “Pierse Fitzgibbon Solicitors LLP has been one of the leading law firms in Munster and has served the community for 45 years.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 24 contacts → | ||||
Partial evidence “JRAP O’Meara is a corporate law firm In the heart of Cork City.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 24 contacts → | ||||
Partial evidence “Sweeney McGann LLP is one of the mid-west regions premier law practices providing legal services in all aspects of private client, business and corporate law.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 20 contacts → | ||||
Indirect evidence “Follow this page to keep updated with the latest news about Reddy Charlton as well as legal and regulatory matters relevant to you and your business.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 19 contacts → | ||||
Partial evidence “Nolan Farrell & Goff LLP is one of Ireland's largest provincial law firms and the biggest Waterford Solicitors practice.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 19 contacts → | ||||
Indirect evidence “Joyce & Co Solicitors was founded in 1982.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 17 contacts → | ||||
Indirect evidence “Sherwin O'Riordan LLP was established in May 2002 by James Sherwin and David O'Riordan.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Partial evidence “MacSweeney & Company, a full service law firm in Galway, was established in 2003 to meet the growing need for a professional locally based, business-like legal service for both…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 14 contacts → | ||||
Partial evidence “O'Connor Solicitors is a commercial legal practice specialising in Commercial and regulatory law, commercial litigation, employment law, and healthcare law.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 13 contacts → | ||||
Partial evidence “Dillon Solicitors is an award winning law firm currently listed in the top 100 law firms in Ireland.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 contacts → | ||||
Indirect evidence “As of 1 June 2026, Taylor Wessing's UK-led businesses combined with Winston & Strawn to become Winston Taylor.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 12 contacts → | ||||
Indirect evidence “Griffin Solicitors are one of the top firms of solicitors based in South County Dublin.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 12 contacts → | ||||
Indirect evidence “Solicitors & Notary Public P.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 11 contacts → | ||||
Indirect evidence “The partners in the firm are Colm O’Rourke, Maura Lawton and Catherine O'Callaghan.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Partial evidence “Alastair Purdy LLP is an award-winning law firm based in Galway City, providing tailored legal services to SMEs, multinational organisations, and private clients across Ireland.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 8 contacts → | ||||
Partial evidence “Established in March 2019 by principal Colm Kearney, Kearney Solicitors is a modern law firm, dedicated to the provision of timely, responsive and cost-effective legal services.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 8 contacts → | ||||
Partial evidence “Putting our clients first, Power Law delivers the sophisticated legal advice and support that our clients require in the manner that best suits each individual client's needs.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: niche law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names niche law firms.
- Partial evidence
- Its own public description names part of niche law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name niche law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 95 niche law firms based in Ireland
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Niche law firms based in Ireland at a glance
As of Sep 14, 2026Companies by employee count
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 95 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 niche law firms, 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 “niche law firms”. 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 niche law firms), 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 niche law firms, 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, 2,089 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 14, 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 niche law firms, 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 niche law firms are there based in Ireland?
RevenueBase identified 95 niche law firms 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?
Arthur COX LLP, headquartered in Ireland, tops this list with the largest team on record.
Which city has the most niche law firms?
Dublin leads with 15 headquartered companies, followed by Cork (12) 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 2,089 verified decision-maker contacts tracked across these 95 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 14, 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.
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