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Who's Who Legal
Who's Who Legal

Global Leader

WWL Ranking: Recommended

Peers and clients say

"Her manner and approach inspire confidence and she performs well when giving evidence"
"She processes very complex facts and issues quickly, producing clear and well explained analyses"
"Debbie is extremely thorough and able to process and handle huge amounts of data and input"
"She has a first-rate ability to spot inconsistencies for further investigation and for raising at cross-examination"


Debbie Revill is a partner at Haberman Ilett, part of Blackrock Expert Services Group, with over 15 years’ experience as a forensic accountant.  She has been involved in over 50 matters and has been the testifying expert in cases before the UK courts and international arbitration tribunals on a variety of accounting, valuation and financial issues. Whilst specialising in dispute work, she also has considerable investigations experience.

Debbie has been appointed and involved in arbitrations under LCIA, ICC, UNCITRAL, SCC and ad hoc rules. Her experience includes evaluating quantum in commercial and contractual disputes, transaction-related disputes and investment treaty claims.  She has advised private clients, states and companies across many industries, including energy, utilities, infrastructure, construction, consumer goods, transportation, telecommunications, technology and financial services.

For the last 10 years, Debbie has had a particular focus on oil and gas and financial services disputes.  In the oil and gas sector she has played a leading role in several billion-dollar arbitral disputes. She is experienced in the complexities of such cases, having gained in-depth knowledge of the industry from working on both expert and advisory matters in Europe, the CIS region, South America, West Africa and the Middle East.

Debbie qualified as a chartered accountant in 2002 at a boutique forensic firm and spent seven years at a Big Four firm before joining Haberman Ilett in September 2014. She is a member of several leading international arbitration groups and a fellow of the Institute of Chartered Accountants in England and Wales.

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