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Forensic & Expert Witness Conference 2023

A virtual day for UK forensic accountants and expert witnesses with a broad programme covering key issues affecting the expert community, the latest developments in crypto-asset investigations and providing essential legal and technical updates.

Watch on demand



Legal updates

Criminal, matrimonial and civil cases.


Panel discussion

Challenges associated with meetings of experts.



Latest developments in the fast-paced world of crypto-assets.

2023 Programme

Polly Richard, Partner, Travers Smith gives the inside story of the HP Autonomy litigation, the biggest fraud trial in recent memory.
Legal update – criminal
Eve Giles, Partner, Allen & Overy will discuss key cases and legislation updates relevant for experts in criminal cases, including the new Economic Crime Act, taking a deep dive into the failure to prevent fraud offence, and the new corporate liability standard. Delegates will have the opportunity to learn about recent changes in the criminal framework for forensic accountants.
Asset recovery using block-chain analysis
Margaux Eckle, Cybercrimes Investigator, Chainalysis will look at the clues hidden in the blockchain and how experts have used blockchain analysis to unpick them to build fact patterns that help to prove their case and ultimately to recover assets.
Legal update – matrimonial
Nicholas Bennett, Barrister, 29 Bedford Row gives an update on developments in case law from financial remedy proceedings.
Business interruption claims
Mr Justice Butcher KC will discuss the Commercial Court’s experience of managing Covid BI related cases.

*This programme is subject to change

Panel: Meeting of experts
Join us for an engaging panel discussion considering the dynamics and timings of convening expert meetings and formulating collaborative statements across different stages of litigation. | Chair: Geoff Mesher, Managing Partner, Tempest Forensic Accounting | Nicola Rushton KC, Barrister and Deputy Head of Chambers, Hailsham | Steve Thompson, Director, Forensic, Grant Thornton | Natasha Winter, Partner, Litigation, Addleshaw Goddard
Outlook for the UK economy
Martin Beck, Chief Economic Advisor, EY ITEM Club will look at the forces, positive and negative, confronting the UK economy and what they mean for the outlook over the next few years.
What does best practice in business valuation mean according to the International Valuation Standards?
The International Valuation Standards represent global best practice for business valuation, and are compulsory in some circumstances. In this session you will come away with key insights into what best practice looks like under the IVS and what it means under each of the market, income and asset-based valuation approaches. Sandra will also provide a brief update of the proposed enhancements to the standards in 2024. In addition, Sandra will also provide a market snapshot of the recent trends she has seen multiples paid for businesses in the UK from BVB research. | *Please note that this session will not be recorded.
Legal update – civil
Tim Crockford, Partner, Clyde & Co will explore the current litigation landscape and recent cases impacting the role of expert witnesses
Closing comments
Event close

Our Speakers

Martin Beck Chief Economic Advisor, EY ITEM Club

Martin joined the EY ITEM Club as Senior Economic Advisor in July 2021 and has two decades’ experience in analysing and forecasting the UK economy. He joined the EY ITEM Club from his role as Lead UK Economist at Oxford Economics. Prior to this, Martin covered the UK economy at Capital Economics. He previously spent over 10 years at HM Treasury.

Mr Justice Butcher KC
Mr Justice Butcher KC

Justice Butcher is a Judge of the Commercial Court. He was the first judge responsible for the management of Covid BI cases, was a member of the Divisional Court which decided the FCA Test Case, and subsequently heard the Stonegate, Various Eateries and Greggs trio of cases.

Nicholas Bennitt Barrister, 29 Bedford Row

Nick specialises in advising on complex divorce disputes, particularly involving companies, trusts and issues of foreign law; and on drafting the pre- and post-nuptial agreements which can avoid those disputes. The nature of Nick’s drafting practice means that the identity of the bulk of his clients is strictly confidential; but he acts for a wide range of business leaders, celebrities, aristocratic and landed families and other wealthy individuals. He is also instructed on behalf of businesses and trustees wanting to put in place common guidelines for nuptial agreements for their staff or beneficiaries.

Tim Crockford
Tim Crockford Partner, Clyde & Co

Tim helps clients to manage risk and resolve disputes. He provides clear, no nonsense commercial advice on risk management, helping clients to avoid liabilities and disputes arising in the first place and, if they do arise, advising on the most cost-effective method of concluding them.

Margaux Eckle Cybercrimes Investigator, Chainalysis

Margaux is a Cybercrimes Investigator at Chainalysis specializing in stolen funds and broader web3 investigations. Since joining the company, Margaux has investigated numerous large-scale hacks, tracking the movements of over $15 billion USD worth of stolen funds. Prior to joining Chainalysis, Margaux worked at Kroll, one of the world’s largest investigations consultancy firms. 

Eve Giles
Eve Giles Partner, Allen & Overy

Eve is a leading white collar crime specialist.  She has acted in a number of high profile trials brought by the SFO and CPS and acts for both individuals and domestic and multinational corporations in a broad range of sectors, including criminal investigations into bribery, money laundering, fraud, cartels and financial services offences. She regularly advises in cross border investigations.   

Geoff Mesher
Geoff Mesher Managing Partner, Tempest Forensic Accounting

Geoff carries out forensic accounting and investigation work. He has produced many expert reports and worked on numerous loss of profit and valuation engagements arising from a wide range of commercial, matrimonial and other disputes. He has also acted as expert in criminal matters relating to fraud. He is also particularly experienced in the quantification of warranty and indemnity insurance claims.

Sandra Mossios
Sandra Mossios Co-founder, author and editor, BVB

Sandra is a Partner at EY in London where she focuses on Contentious Valuations & Damages. She is co-founder of the annual publication "BVB Insights”. For the past 20 years she has specialised in commercial valuation and litigation support providing expert witness work for hundreds of large international complex disputes. She is the UK Senior Vice President of the ASA and sits on the Standards Review Board of the IVSC.

Polly Richard
Polly Richard Partner, Travers Smith

Polly has a broad range of commercial litigation experience including disputes arising out of corporate transactions, multi-jurisdictional insolvency litigation and contentious regulatory investigations. Polly has particular expertise in matters involving allegations of fraud.

Nicola Rushton KC Barrister and Deputy Head of Chambers, Hailsham

Nicola specialises in professional negligence and commercial claims, especially those with a property or finance dimension. Her areas of expertise include: professional negligence of surveyors, solicitors and accountants; lender claims and all issues connected with secured lending; all types of claim arising from commercial contracts; director and officer (D&O) claims; insolvency, individual and corporate; freezing orders, fraud, tracing and constructive trusts. She has a niche specialism in enforcement of legal aid regulations and legal aid costs.

Steve Thompson Director, Grant Thornton

Steve has nearly 30 years of accounting experience, mostly as a forensic accountant advising clients in disputes and investigations, I've been instructed as an expert accounting witness or adviser by individuals, public listed companies and government bodies in several hundred assignments. Steve has developed particular expertise in insurance claims, having worked on some of the largest claims arising from property damage ever submitted in the UK.

Natasha Winter Partner, Litigation, Addleshaw Goddard

Natasha is a Partner with extensive experience of litigating in the High Court and acting for clients in high-value, complex disputes. She regularly provides advice on contractual disputes and warranty claims to clients including FTSE 100 companies, financial institutions, giants in the retail and consumer sector and high net worth individuals.


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An interesting and informative event which focuses on forensic accounting and provides valuable information and guidance.

Previous attendee Forensic & Expert Witness Conference Delegate 2022

A very well organised virtual event enabling overseas participation at reasonable cost.

Previous attendee Forensic & Expert Witness Conference Delegate 2022

This event was very well run and had very well-informed speakers who had really useful and relevant information to impart.

Previous attendee Forensic & Expert Witness Conference Delegate 2022

The themes covered during the session were topical and the information shared with the participants was of excellent quality.

Previous attendee Forensic & Expert Witness Conference Delegate 2022

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