Mark Simpson

Barrister specialising in professional negligence, professional discipline and general commercial litigation.

Notable recent cases include the defence of a US$500m breach of fiduciary duty claim against solicitors in the Cayman Islands;  acting for the claimants in a $400m claim against directors arising out of the collapse of an investment fund;  acting for the Claimants in a $200m claim against a Big Four firm of accountants; acting for the Defendants in a £100m claim against a Big Four firm of accountants; acting for a firm of solicitors in the defence of a £300m negligence claim and Gemini v CBRE, described as the 'valuation trial of the century'. Other leading cases include: Hall v Simons, on advocates' immunity, Farley v Skinner, concerning the recoverability of damages for distress in professional contracts, Dubai Aluminium v Salaam, in which the court considered the boundaries of vicarious liability for fraud and Stone & Rolls v Moore Stephens, which concerned the liability of auditors for alleged failure to detect fraud in the context of a 'one man' company.

General Editor of Professional Negligence and Liability; Associate Editor of The Journal of Professional Negligence.