For London-based companies operating in highly regulated sectors, Mason Hayes & Curran offers the support of a sophisticated Irish business law firm. Our law firm acts for energy companies, financial institutions, healthcare organisations, and technology businesses with significant Irish operations. We advise on licensing, compliance, and regulatory engagement under Irish and EU regimes. Our corporate and banking teams manage transactions that require regulatory approvals, notifications, or sophisticated structuring. Mason Hayes & Curran’s technology and data lawyers assist with platform regulation, cybersecurity, and data protection in Ireland. Real estate and construction teams support the development and management of critical infrastructure and facilities. Employment and business immigration advisers help ensure workforce arrangements comply with Irish law. As a corporate legal firm, we offer integrated, sector-focused advice coordinated through our London office to support strategic decisions and day-to-day risk management.