SEY TAX LIMITED

Sey Tax Limited is a specialist cross‑border tax consultancy that helps American individuals and Irish‑based businesses navigate the complexities of both U.S. and Irish tax regimes. Led by Stephen Casey – a qualified accountant and lawyer with deep US‑Irish tax expertise – the firm delivers senior‑led advice from the initial scoping stage right through to sign‑off, ensuring nothing falls between the cracks. With operational bases in New York City and Dublin, Sey Tax provides a secure, GDPR‑compliant onboarding process for all clients.

The practice offers a full suite of services, including personalised tax returns for Irish residents with U.S. tax obligations, comprehensive business tax planning, U.S. tax registration and compliance for Irish companies, and bespoke private‑client solutions for those with mixed personal and commercial affairs. In addition, Sey Tax supports professional practitioners who require international tax expertise, handling a wide range of instruction‑based engagements. Their proven track record, expert guidance and personalised approach make them a trusted partner for anyone needing to align tax objectives while minimising liability.