Law firms in Ireland

Lewis Silkin

England, Hong Kong +4

Lewis Silkin is an international law firm focused on advising businesses on their ideas and people, with particular strength in employment, intellectual property and data privacy. The firm has more than 750 people across nine offices and reports 105 partners, with offices including Dublin and Hong Kong.

Maples Group

British Virgin Islands, Cayman Islands +4

Maples Group is a leading international legal and professional services provider offering legal services on the laws of the British Virgin Islands, the Cayman Islands, Ireland, Jersey and Luxembourg, with additional fiduciary, fund services, regulatory and compliance, and entity formation and management capabilities. The firm reports strengths in corporate commercial, finance, investment funds, litigation and trusts across a global network of offices.

Mason Hayes & Curran LLP

Ireland

Mason Hayes & Curran LLP is an Irish business law firm with 124 partners and total staff in excess of 600, providing legal advice across business life cycles and sectors including energy and technology. The firm has offices in Ireland, London, New York and San Francisco and was named ‘Law Firm of the Year: Republic of Ireland’ at The Lawyer European Awards 2025.

Matheson LLP

Ireland

Matheson LLP is an Irish law firm established in 1825 in Dublin that advises internationally-focused companies and financial institutions. The firm has offices in Cork, London, New York, Palo Alto and San Francisco and provides a broad range of legal services across corporate, finance, technology, funds, litigation and regulatory practice areas.

McCann FitzGerald LLP

England, Ireland

McCann FitzGerald LLP is a major Irish full‑service law firm (with more than 650 people) that maintains a long‑established London office advising Irish, UK and international clients on Irish law matters. Its work spans corporate and finance practices—particularly investment funds, banking and debt capital markets—together with structured and secured finance, real estate, disputes and related specialist areas.

O'Flynn Exhams

Ireland

O’Flynn Exhams LLP is a long-established, medium-sized law firm based in Cork, Ireland, with a team of around 23 lawyers providing a full range of legal services to financial institutions, insurers, state bodies, charities, multinationals, SMEs and private individuals. The firm operates throughout Ireland and was named Munster Provincial Law Firm of the Year at the Irish Law Awards in 2017.

Ogier

British Virgin Islands, Cayman Islands +8

Ogier is an international law firm providing advice on BVI, Cayman, Guernsey, Irish, Jersey and Luxembourg law, with offices across Europe, Asia and the Middle East. Its work focuses on corporate and financial sector matters, including banking and finance, corporate, investment funds, dispute resolution, private equity, private wealth, restructuring and insolvency, and related services.

No substantive firm information was available. Location pages for Denmark, France, Ireland and Spain returned “Page not found,” and no website, headquarters, or founding year details were provided.

Philip Lee LLP

Ireland

Philip Lee is one of Ireland’s leading commercial law firms with offices in Dublin, London and New York, advising domestic and international clients across a broad range of commercial and regulatory areas. The firm’s practice covers corporate and M&A, real estate and planning, construction and PPP, banking and finance, environmental and energy matters, competition, data protection, employment, intellectual property, IT, immigration and tax, and it is the sole Irish member of the Multilaw network.

RDJ LLP

Ireland

RDJ LLP is an Irish corporate law firm with more than 300 employees and offices in Cork, Dublin and Galway. The firm advises domestic and international clients — including scaling companies, multinationals, financial institutions and insurance companies — across areas such as banking and finance, construction, corporate and commercial, real estate and dispute resolution, and is a member of the TerraLex international legal network.

Reddy Charlton LLP

Ireland

Reddy Charlton LLP, founded in 1908, is one of Ireland's longest-established law firms, advising business and private clients on a full range of legal matters including corporate and commercial, property and planning, litigation, intellectual property, employment, regulatory and company secretarial work. The firm is organised around four core departments (Commercial; Property; Litigation; Employment and Regulatory) and emphasises risk management, holding the Q6000 Gold Standard Certification from the Institute of Legal Research and Standards for nine consecutive years.

Simmons & Simmons

Belgium, China +14

Simmons & Simmons is an international law firm that describes itself as collaborative, agile, and partner-led, with a focus on highly regulated sectors and complex cross-border matters. The firm has offices and associated locations across Europe, Asia, and the Middle East.

Walkers

Bermuda, British Virgin Islands +7

Walkers is an international financial services firm with offices across multiple jurisdictions, providing legal, corporate, regulatory filing, compliance, and fiduciary services. Its offices focus on financial-services-related work including funds, finance, corporate transactions, restructuring, dispute resolution, and regulatory matters.

Whitney Moore

Ireland

Whitney Moore LLP is a long-established Dublin-based Irish law firm founded in 1882, with 15 partners and over 50 other legal professionals and support staff. The firm advises small and medium-sized Irish enterprises, international companies, listed companies, private clients and public bodies across corporate, M&A, regulatory, dispute resolution, employment, insolvency and restructuring, intellectual property, privacy and data protection, private client, public sector, real estate and banking matters; it is a member of the Meritas and Euro-American Lawyers Group networks and emphasizes direct partner involvement in client matters.

William Fry LLP

England, Ireland

William Fry LLP is one of Ireland’s largest law firms, advising leading Irish and international companies across a broad range of corporate, finance, dispute resolution, real estate, tax and sector-specific practices. The firm operates a large international practice and maintains offices in Dublin and London, handling matters involving multiple jurisdictions.

Winston Taylor

Belgium, Brazil +7

Winston Taylor is described as a transatlantic law firm serving clients across major commercial centers in the U.S., U.K., Europe, Latin America, and the Middle East. The firm highlights experience in major litigation, critical transactions, strategic IP, and private wealth, with sector focus on technology, media & telecommunications, life sciences & healthcare, financial services, and projects, energy & infrastructure.