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John Havard

John is a specialist in international taxation with over 35 years' experience.

John's career and tax training started within a "Big 4" accountancy firm before he became Regional Director of Tax for a global law firm, overseeing that firm's own tax affairs in Europe, the Middle East and Africa. John returned to public practice in 2011 and joined Westleton Drake in 2016.

John is an acknowledged expert on how the US taxes its citizens living and working outside the USA. His ‘in house’ law firm experience is of great value to  international professional partnerships seeking to conduct business in the UK.

John has had articles published in several US industry titles including the Tax Planning International Review, the Tax Management International Journal, and BNA – Daily Tax Report. In the UK, John has in the past contributed to Tolley's Tax Planning, providing the chapters on working in the UK and working overseas. He has served on the British American Business Inc (BABi) tax forum for over 20 years and represents BABi on HMRC's Expatriate Forum.

John is a Fellow of the Institute of Chartered Accountants in England and Wales, and a Chartered Tax Adviser.

To contact John, please call directly on +44 20 3141 2706 or by email at

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Sonya Rees

Sonya has been practising UK tax since 2003 and joined Westleton Drake from a leading firm of Chartered Accountants in London, where she had been a partner since 2008.

Sonya specialises in private client work, with a focus on UK resident non-UK domiciled clients and issues pertaining to both onshore and offshore Trustees. She also advises clients on UK inheritance tax planning and the administration of deceased estates.

Sonya is a UK Chartered Tax Adviser and a Fellow Chartered Accountant. She was included in the 2017 and 2018 Citywealth “Power Women”’ list and has been included in Citywealth’s Leaders List since 2012. Sonya was named as one of eprivateclient’s Top 35 under 35 in 2010 and 2011.

To contact Sonya, please call directly on +44 3141 2762 or by email at

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