Business Details
50+ Years
experience
Your Trusted Legal Partner in Corporate and Business Law
Arthur Cox is one of Ireland's leading law firms with a progressive outlook spanning over a century. We specialise in corporate and business law, delivering comprehensive legal services to an international client base ranging from multinational organisations to emerging industry leaders. Our all-island presence with offices in Dublin, Belfast, London, New York, and San Francisco enables seamless cross-border collaboration. With 600 legal professionals and nearly 900 total staff, we combine deep sector expertise with innovative legal solutions. Our multidisciplinary teams work collaboratively to address complex transactions and regulatory challenges. Recognised as a top-tier firm by Legal 500, we maintain 18 Band 1 rankings across practice areas.We pioneered Ireland's first Employee Ownership Trust Company and lead in sustainable business practices through our ESG Hub. Our history of innovation includes advising on landmark deals like the 875 million Aspirity Partners fund. We invest heavily in technology through our Evolve division, combining legal expertise with digital solutions. Our commitment to excellence is demonstrated through awards including Chambers Europe's Corporate Team of the Year. We maintain strong relationships with 200+ international law firms to deliver coordinated global legal advice.
Services
Corporate Law
Mergers & Acquisitions
ESG Compliance
Dispute Resolution
Financial Regulation
Real Estate Law
Technology Law
Tax Advisory
Employment Law
Asset Management
Details
- Year established: 1920
Highlights and features
- Over 100 years of legal expertise in Irish corporate law
- Multidisciplinary teams handling complex cross-border transactions
- Pioneers of innovative legal tech solutions through Evolve
- Recognised ESG leadership with dedicated sustainability practice
- Established relationships with 200+ international law firms
Associations and certifications
- Legal 500
- Chambers Europe
What people say
Top-tier firm
18 Band 1 rankings
ESG leadership
Innovative solutions
100 years' experience
Services
Corporate Law
We provide comprehensive corporate law services covering mergers, acquisitions, and corporate governance. Our team advises on company formations, shareholder agreements, and compliance matters. With specialists in multiple jurisdictions, we handle complex cross-border transactions for multinational clients.
Mergers & Acquisitions
Our M&A specialists handle domestic and international transactions across various sectors. We provide end-to-end support including due diligence, regulatory approvals, and post-merger integration. Recent notable deals include advising on the 875 million Aspirity Partners fund.
ESG Compliance
We help businesses implement ESG strategies through dedicated advisory services. Our ESG Hub assists with climate action plans, sustainable finance, and regulatory compliance. We advise financial institutions on green lending programs and social housing financing.
Dispute Resolution
Our litigation team handles complex commercial disputes across banking, construction, and intellectual property sectors. We offer alternative dispute resolution options and have experience in high-profile cases before Irish courts and international arbitrations.
Financial Regulation
We advise financial institutions on regulatory compliance and enforcement matters. Our services include advising on Central Bank requirements, anti-money laundering protocols, and fintech regulations. We support clients through regulatory investigations and compliance audits.
People
Geoff Moore
Managing Partner
Geoff specialises in mergers and acquisitions, corporate finance, and private equity. With extensive experience in corporate transactions, he leads our Dublin office and serves as a trusted advisor to major corporations.
Ailish Finnerty
Chair
Ailish is a corporate tax specialist with international client expertise. As Chair of the firm, she focuses on strategic development while maintaining her active tax advisory practice for multinational clients.
Fiona de Lacy
Managing Director
Fiona leads our Corporate Services team with expertise in structured finance and aircraft leasing transactions. She provides director services and regulatory compliance support for investment vehicles and special purpose entities.
Questions
What areas of law does Arthur Cox specialise in?
We specialise in corporate and business law, including mergers & acquisitions, financial regulation, ESG compliance, dispute resolution, and technology law.
How long has Arthur Cox been operating?
We have been leading the Irish legal field for over 100 years, since our founding in 1920.
What international services do you offer?
We provide cross-border legal services through offices in Dublin, Belfast, London, New York, and San Francisco, working with 200+ international law firm partners.
What ESG services are available?
Our ESG Hub offers advisory services on climate action, sustainable finance, regulatory compliance, and green investment strategies.
What technology-driven legal solutions exist?
Through Evolve, we offer legal tech solutions including document review, regulatory compliance automation, and digital forensics support.
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