Old Square Chambers

Oliver Segal QC

Current View:

This content is provided by Oliver Segal QC.

Practice Areas

Employment law:

Oliver is a leading Silk and acts for major trade unions and large commercial clients. He has particular specialist experience in: industrial action (represented the successful trade unions in CA in RMT v Serco Ltd and GTR Southern v ASLEF); collective disputes (represented drivers claiming worker status in the SupCt in Uber BV v Aslam; the successful teachers in SupCt in Hartley v King Edward VI College; the successful employees in CA in Abrahall v Nottingham City Council); JR applications (represented the successful civil servants in CA in R. (on the application of PCS) v Minister for the Cabinet Office; and the successful firefighters in R (FBU) v South Yorkshire FRA); breach of contract claims, including restrictive covenants, PHI and negligent references (represented the successful claimant in CA in Gibb v Maidstone and Tunbridge Wells NHS Trust); discrimination claims (represented the union in CA in Unite v Nailard); Working Time and TUPE claims.

Commercial Agency law:

Oliver is the leading silk, acting for agents and principals. He has appeared in most of the important cases, including in HL in Lonsdale v Howard and Hallam; the CA, SupCt and CJEU in Software Incubator Ltd v Computer Associates Ltd; and the CA in Nagel v Pluczenik.


Oliver is a CEDR accredited mediator and has mediated several commercial, employment, industrial and other disputes.


Corpus Christi, Oxford (1981-85). Called 1992. QC 2011. Appointed fee-paid EJ 2014.

Professional Memberships



Experienced meditator. Alexander Technique teacher. Expert bridge player and writer.