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Old Square Chambers

Chambers of Mark Sutton QC

Work 020 7269 0300
Fax 020 7405 1387
Bristol, London
Old Square Chambers (Chambers of Mark Sutton QC), Oliver Segal QC, London, ENGLAND

Lawyer rankings

Oliver Segal QC

Work 020 7269 0300
Old Square Chambers (Chambers of Mark Sutton QC)

Work Department

Employment, litigation (commercial).


Oliver is regarded as a leading Silk in employment law and acts regularly for large commercial clients and for most of the major trade unions. Within employment law he has particular specialist experience in: industrial action (appearing for the successful trade unions in the Court of Appeal cases of RMT v Serco Ltd and GTR Southern v ASLEF); collective disputes (recently appeared for the successful appellants in the Supreme Court in Hartley & Ors v King Edward VI College, a case which concerned the amount of money which could be lawfully withheld from the pay of teachers on strike; for the successful claimants in Court of Appeal in Anderson & ors v London Fire and Emergency Planning Authority; and for successful claimants in the recent Court of Appeal case of Abrahall v Nottingham City Council); breach of contract claims (including claims involving restrictive covenants, PHI and negligent references (appearing for the successful claimant in the Court of Appeal case of Gibb v Maidstone and Tunbridge Wells NHS Trust); discrimination claims (appeared for Respondent in Court of Appeal in recent case of Unite v Nailard); Working Time and TUPE claims.

Oliver is also the leading barrister within the field of Commercial Agency claims; he acts for both agents and principals and has appeared in several of the most important reported cases, including the House of Lords case of Lonsdale v Howard and Hallam Ltd, the recent Court of Appeal case Software Incubator Ltd v Computer Associates Ltd and the recent High Court cases of ARSM v Typhoo Tea Ltd, and Nagel v Pluczenik. Recent work: Instructed in appeal from Nagel v Pluczenik – listed in CA October 2018.


Corpus Christi College, Oxford (1981-85). School Oriental and African Studies, University. London (1985-86). Called 1992, Middle Temple; QC 2011.




Tiffin Boys’ School; Corpus Christi College, Oxford (1985 BA Hons).


Expert bridge player and writer.

London Bar


Within: Leading Silks

Oliver Segal QC - Old Square ChambersExtremely clever silk and formidable opponent, who has emerged as one of the leading silks for trade unions.

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