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Liz Perks

Liz Perks

Haberman IlettThe Adelphi 1-11 John Adam StreetLondonEnglandWC2N 6HT

Global Leader

WWL Ranking: Recommended

WWL says

Liz Perks is “rated very highly” by peers for her forensic accounting expertise and extensive experience in arbitration as an expert witness on quantum, accounting irregularity and valuation matters.


Liz is a partner in Haberman Ilett, part of Blackrock Expert Services Group, and has specialised in dispute resolution services since 2000. Her main focus is on the financial aspects of disputes and evaluating quantum in the context of contractual claims, investment treaty arbitrations and post transaction disputes. She has acted as the party-appointed quantum expert in claims of up to €350 million and as a tribunal-appointed expert, and has given oral testimony and been cross-examined.

Liz’s experience is international, with clients in the Czech Republic, Dubai, Germany, Lebanon, Pakistan, Russia, Slovakia, Spain, Turkey, Ukraine and the US, as well as the UK. She has been involved in international arbitrations under various rules, including ICC, LCIA, UNCITRAL and ICSID, in a range of sectors including mining, technology, construction, hotels, private equity, energy, pharmaceutical and medical devices.

Liz has a law degree and postgraduate diploma in legal practice from Sheffield University. She worked in a Big Four accounting firm for 13 years and left in 2013 to launch Haberman Ilett. She is a fellow of the Institute of Chartered Accountants in England and Wales.

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