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Who's Who Legal
Who's Who Legal

Global Leader

Mediation 2020

Professional Biography

WWL Ranking: Recommended

WWL says

The “superb” Mark Lomas QC is “well known among peers for his strong reputation” in commercial mediations. 


Mark was called to the English Bar in 1977 and appointed Queen's Counsel in 2003. He practiced as junior then leading counsel at the commercial and common law Bar for 32 years in a wide range of commercial cases but with a particular specialisation in professional liability and insurance.

He became an accredited mediator with ADR Group in 2001 and was a panel member of Littleton Dispute Resolution Services from 2001 to 2009. He started mediating regularly in 2001, in combination with continuing practice at the commercial and common law bar. Since taking silk in 2003 mediation made up an increasing part of his overall practice, combined with the conduct of a number of large cases in the High Court and Court of Appeal.

He joined Independent Mediators as a full-time mediator in June 2009 and ceased practice as an advocate to devote his full time to mediation and arbitration. He is also a member of Littleton Chambers International Arbitration Group and sits as a commercial arbitrator in insurance disputes.

He has acted as sole or lead mediator in upwards of 1,000 mediations covering a wide variety of disputes ranging from multimillions to tens of thousands of pounds in areas including commercial contract, insurance, common law, construction, probate and trusts, but with a particular emphasis on professional negligence disputes involving solicitors, barristers, accountants, financial advisers, insurance brokers, surveyors and architects.

He is regularly instructed in 90 to 100 mediations per year, making him one of the UK’s busiest commercial mediators.

National Leader

WWL Ranking: Recommended
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