Peter Maher

Partner, Forensic and Dispute Services

Peter Maher Peter is a partner in Deloitte’s Forensic and Dispute Services practice. He has worked in the field of forensic accounting since 1992, in both New York and London. Peter specialises in fraud and corruption investigations. He has made presentations on behalf of clients to a number of regulators and prosecutors including the Department of Justice, SEC and various state authorities in the US and the FSA in the UK. He has testified in deposition, in arbitration and given testimony to the SEC.


Peter has extensive experience in investigations involving;

  • Corruption;
  • Earnings management;
  • False accounting;
  • Fraud;
  • Theft;
  • Asset recovery;
  • Tax evasion;
  • Money laundering; and
  • Obstruction of justice.

Sector expertise

Peter’s industry experience includes pharmaceutical and life sciences, oil and gas, heavy engineering, technology, hedge funds, commodity trading and advertising.


  • Chartered Accountant
  • Certified Public Accountant
  • Certified Fraud Examiner

Contact information

Tel: +44 (0)20 7936 3000
Email: Peter Maher