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Jonathan Ellis

Jonathan Ellis

Accuracy1 Raffles Place#26-01 One Raffles PlaceSingaporeSingapore048616

Global Leader

WWL Ranking: Global Elite Thought Leader

WWL says

Jonathan Ellis is “a superior expert” who is held in high esteem by sources, one of whom says, “His judgement, experience and confidence have impressed me.”


Jonathan Ellis co-leads the Singapore office of Accuracy. He is a director sitting within the forensics, litigation and arbitration practice and has had broad forensic experience over the past 14 years. He specialises in the quantification of damages and valuations, in particular in dispute contexts, for litigation, arbitration and expert determination purposes. He has worked on matters before the UK and Singapore High Courts as well as in ad hoc, SIAC, LCIA, ICC, HKIAC, UNCITRAL and ICSID arbitration forums.

Jonathan has provided advice and support in a variety of situations, including disputes, M&A transactions, corporate restructuring, financial reporting and expert determinations. His advice encompasses a number of sectors including pharmaceutical, energy, power, mining and manufacturing. He has provided oral testimony on a number of occasions, in both courts and arbitrations.

Jonathan has previously spent three years in the valuation team of a UK Big Four accounting firm, where he provided valuation advice on both contentious and non-contentious matters. He also has experience of independent accounting investigations, providing consulting advice to utility suppliers in the Middle East and has co-authored a report on the effects of tax in the United Kingdom on financial institutions.

Jonathan is a physics graduate of Imperial College London and has a master's degree in accounting and management science, with distinction, from the University of Southampton. He is a fellow of the Institute of Chartered Accountants in England and Wales (ICAEW), where he was previously the vice chairman of the energy and natural resources special interest group, and he is also a current member of the valuation and forensic groups. Additionally, he is a member of the Association of International Petroleum Negotiators (AIPN).

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