Mason Hayes & Curran is an Irish business law firm with a New York office dedicated to guiding US companies through the realities of doing business in and through Ireland. From our base at 1230 Avenue of the Americas, we act as a local connection to more than 600 professionals in Dublin and beyond, helping corporates, funds, and financial institutions structure investments, manage risk, and respond to regulatory change. Mason Hayes & Curran advises on corporate and commercial law, cross-border M&A, funds, banking and finance, financial regulation, tax, employment law, IP, technology, data protection, real estate, construction, and disputes. Our sector experience spans technology, financial services, energy, healthcare, life sciences, and the built environment, so our guidance reflects real commercial conditions rather than theory. Clients choose Mason Hayes & Curran for clear, practical advice, responsive communication, and an engaged, collaborative working style that helps international projects progress smoothly across jurisdictions and time zones.