UK, US, Irish and International Tax Expertise
ADIT Courses and Bespoke Tax Training
Learn from experienced tax professionals, whether you're studying for the ADIT qualification or building your team's expertise in corporate tax, international tax and transfer pricing.
100% ADIT pass rates in 5 of 7 modules across the 2025 exam sittings
Trusted by Big 4, FTSE 100 and Fortune 500
Supporting tax professionals in 40+ countries
About ExtraTax Training
ExtraTax Training is a specialist tax training provider based in Belfast, delivering online ADIT international tax courses to students worldwide and bespoke tax training to accountancy firms, law firms, in-house tax teams and multinationals across the UK, Ireland and Europe.
Our tutors bring decades of experience from professional practice, industry and HMRC, covering corporate tax, international tax, transfer pricing, VAT and employment taxes.
Clients include top-tier global accounting firms, FTSE 100 and Fortune 500 multinationals, and tax authorities.
Our tutors bring decades of experience from professional practice, industry and HMRC, covering corporate tax, international tax, transfer pricing, VAT and employment taxes.
Clients include top-tier global accounting firms, FTSE 100 and Fortune 500 multinationals, and tax authorities.
Studying for ADIT?
Online courses for seven ADIT modules. Live small-group classes, weekly assignments with individual feedback, revision days and mock exams, designed for busy professionals. High pass rates, sitting after sitting.
Principles of International Taxation · Transfer Pricing · UK Tax · US Tax · Irish Tax · EU VAT · Banking
Principles of International Taxation · Transfer Pricing · UK Tax · US Tax · Irish Tax · EU VAT · Banking
Developing your team?
Bespoke training designed around your people, your clients and your business. From graduate programmes to specialist technical training, delivered by tutors with practice, industry and tax authority experience.
Corporate Tax · International Tax · Transfer Pricing · Graduate Programmes · CTA Exam Support
Corporate Tax · International Tax · Transfer Pricing · Graduate Programmes · CTA Exam Support
Testimonials
What clients and students say
Jonathan Megaw, International Tax Director, Grant Thornton
Tax Partner, Top 40 firm, United Kingdom
Online ADIT International Tax Courses
Book your December 2026 ADIT course today!
Why ExtraTax Training
Real-world expertise
Tutors who have worked in practice, in-house and for tax authorities. Students and teams learn from people who have done the work.
Designed around you
ADIT classes scheduled for busy professionals. Bespoke programmes built around your team's needs. Small groups, interactive sessions, individual feedback.
Outstanding results
100% pass rates in five of seven ADIT modules in 2025. Clients come back year after year, with programmes growing across offices and countries.
Meet our Team
Catriona Loughran
Founder and Managing Director
Alyson Sutcliffe
Tax Training Manager
Kristen Gillanders
Client Relations Manager
Naina Shah
Business Development Manager