Welcome to Extratax Training


Find out about our tax & VAT training courses for businesses & accountants.


Information on the CIOT’s ADIT qualification and how we can help you study for ADIT.


Find out about our online ADIT training packages and book for 2020 courses.

Who are Extratax Training?

We are a specialist tax training provider, based in Northern Ireland with the aim of empowering global business. We offer:

Tax, VAT & customs training to improve applied knowledge throughout your organisation – from increasing your team’s confidence in day-to-day operations to assisting the Board of Directors in developing tax strategy – to help your business grow

Advanced Diploma in International Tax (ADIT) training courses for tax professionals around the world – delivered online by international tax experts to maximise your exam and career success.

“I have benefitted from a number of Catriona’s training courses over the past couple of years – both transfer pricing and non-transfer pricing related.  The courses were relevant and delivered in a knowledgeable and engaging way.  In particular I liked the mix of theory and exercises.  It was clear that Catriona has gained significant experience through her varied roles in tax which showed in her engaging and practical use of examples and anecdotes which kept the courses interesting and relatable.”  

E Kelly, Tax Director

As a “just personal tax background person”, Catriona helped me to understand Corporation Tax from the very basics in a clear manner. I experienced a high level of professionalism and efficiency and benefitted from her impeccable knowledge in this area. She simplified my work and definitely made tax clearer! 

Eva - ADIT UK module student

Areas of expertise

ADIT – comprehensive online training packages for the Principles of International Tax, UK and Transfer Pricing modules.

VAT – practical training to improve the accuracy of VAT returns and avoid costly errors

Corporate tax – training for finance and tax professionals to enhance understanding of UK corporate tax matters, including tax accounting and related disclosures

International tax – transfer pricing and other international tax training for both tax professionals and expanding businesses.

ADIT Exam Support

Find out about our online ADIT tuition and revision courses

Upcoming VAT Courses

Book our Practical VAT course running in Belfast on 12 June

Latest News

Keep up to tax with relevant news for tax and non-tax professionals

About Extratax Training

I’m Catriona Loughran and I’m passionate about helping businesses to grow by enhancing practical knowledge of tax, VAT and customs duties.

Tax is an inescapable part of business, from start-ups to the largest multinationals, yet many entrepreneurs and decision-makers don’t fully appreciate its impact on their global business operations – negative or positive!

I founded Extratax Training with the mission to improve understanding through delivering learning and development programmes with a definite outcome – TAX MADE CLEAR.

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