With one of the largest forensic accounting practices in the UK and access to over 120,000 professionals around the world, Deloitte have experience in all industries and all types of dispute in providing expert witness services and expert determination as part of litigation or dispute resolution.

Our forensic accountants work with law firms and direct with major clients to provide independent objective expert witness and expert determination services to assess the quantum of a specific claim and/or to give evidence in cases on liability involving alleged accounting or audit negligence.

How we work with you

First, we only appoint a genuine expert in the subject matter of the dispute.  Then, we appoint an experienced team to support the expert on each assignment, carefully choosing professionals with the right backgrounds to provide the right balance of skills (industry, technical and function) for your specific issue. With a department of over 100 dedicated professional staff across the major commercial centres in the UK, we have the resources to meet even the tightest of deadlines, whilst maintaining the highest standards.

Our expert witness services can be effective at different stages of any dispute. We can provide you with behind the scenes advice in the preliminary stages of a dispute and can provide expert evidence in Court at short notice if required . Our expert witness arguments often help our clients to negotiate early settlements. If disputes continue into litigation, our team is experienced in providing expert witness services in a court of law and expert determinations of the highest quality.

The scope

We act as expert witness across all industries and have specialist expertise in areas such as intellectual property, valuation, anti-trust and information technology disputes. We assist litigators with electronic disclosure of documents and other evidence, utilising our world-leading forensic technology skills and tools.

We also work with and within the major arbitral institutions including the ICC, the LCIA and ICSID, as well as ad-hoc arbitrations and other international dispute resolution forums, as expert witnesses on issues ranging from breach of contract to asset expropriation and purchase price disputes. Our team includes qualified mediators and arbitrators.