Mark Thomas > Chambers of Jason Beer QC > London, England > Lawyer Profile

Chambers of Jason Beer QC
5 Essex Court
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Mark specialises in police law, inquests, public/administrative law and employment law. He acts for police forces as well as a range of clients in both the public and private sectors. 


Having acted as junior counsel for the Metropolitan Police in the landmark case DSD and in numerous other similar claims, Mark has considerable experience in cases involving alleged breaches of Article 3 ECHR. Recent and current cases include civil actions (including claims for misfeasance, wrongful arrest and false imprisonment, personal injury and employment claims), judicial reviews, inquests and inquiries. He has huge experience in defending civil actions and judicial reviews and is regularly instructed to appear against leading counsel in courts up to and including the Court of Appeal. 

Mark also advises on all aspects of employment law, regularly appearing in Employment Tribunals and the Employment Appeal Tribunal. Mark acts for numerous police forces, public bodies and charities in discrimination claims. Claims encompass in particular, disability, race, sex, age and protected disclosures (whistleblowing). He also has an established commercial employment practice and acts for Respondents at Tribunal including national retailers and other blue-chip companies

He is a member of the Welsh Government’s A Panel of Counsel for public, employment and personal injury law.


Called to the Bar 2006. Prior to becoming a barrister, Mark worked for several international investment banks. Mark has served a judicial intern to at the Federal Court of Australia, to the former Chief Justice of Australia.




Philosophy, Politics and Economics – New College, Oxford University

Lawyer Rankings

London Bar > Police law (defendant)

(Leading Juniors) Ranked: Tier 3

Mark Thomas5 Essex CourtHe provides a first-class service at all times.