Tierney Tax Consultancy Ltd

Tierney Tax Consultancy Limited (TTax) is an independent tax advisory practice founded by Rose Tierney, a dual‑qualified Chartered Accountant and Chartered Tax Adviser in both Ireland and the United Kingdom. Drawing on more than 30 years of experience in practice—including senior roles in Dublin and London—Rose and her team provide specialist advice and compliance services across a full range of Irish and UK tax matters.

The firm’s core specialisations include cross‑border tax planning, customs and trade facilitation, and bespoke support for both individuals and businesses. TTax also offers “Own‑Label” services to professional accountancy and legal firms, extending their expertise to clients throughout the island of Ireland and Great Britain. Their client base spans start‑ups, SMEs and larger multinationals, all benefiting from a personal, responsive and proactive approach to resolving tax issues.

Based on extensive work in both Dublin and London, the team at TTax is uniquely positioned to “flip” between Irish and UK tax rules on a daily basis, ensuring that clients receive the most up‑to‑date and comprehensive guidance on cross‑border tax challenges.