Jonathan Sachs > Irwin Mitchell > London, England > Lawyer Profile

Irwin Mitchell

Work Department

Business legal services – litigation.


Jonathan specialises in professional negligence, commercial litigation and fraud. He has particular expertise in claimant negligence claims against solicitors, surveyors and tax professionals. He has also conducted litigation in various jurisdictions around the world, including the US, Eastern Europe, Middle East and Hong Kong.


Qualified 1990; head of litigation 1996-2003, Pettman Smith; head of litigation 2007-2011, Sprecher Grier Halberstam; partner 2014-present, Irwin Mitchell.


Professional Negligence Lawyers Association.


Watford Grammar School 1976-1983; Manchester University 1983-1986.

Lawyer Rankings

London > Dispute resolution > Commercial litigation: mid-market

Irwin Mitchell has ‘a solid mid-market dispute resolution offering and is highly client focused‘. The department handles a wide range of commercial disputes, involving commercial contracts, supply chains, pensions, breach of directors’ duties, corporate warranties, and shareholders and partnerships. Other areas of strength are IP and IT disputes, injunctions, regulatory issues, and professional negligence claims. Jonathan Sachs is a specialist in professional negligence, commercial litigation and fraud. Professional negligence expert Jane Anderson and Dominique Dolman, who handles large-scale commercial disputes, are experienced senior associates.

Yorkshire and the Humber > Insurance > Professional negligence: claimant

Irwin Mitchell utilises its national network of offices to act for corporate clients and individuals bringing claims against a variety of professionals including solicitors, financial advisers and accountants. A particular specialism for the team is representing insolvency practitioners in claims which arise out of insolvency estates, as well as claims relating to the construction industry. Senior associate Natasha Guthrie is the key practitioner in Sheffield; Jonathan Sachs leads the national professional negligence practice from London, and Steve Beahan is head of the Sheffield commercial litigation team.