Jason Galbraith-Marten QC

Year of Silk/Call: 2014/1991


Commercial Law | Discrimination & Equality | Employment | Human Rights | Regulatory | Sport and Entertainment


One of the Chambers 100, the UK's top business lawyers, and the Lawyer Monthly's Labour and Employment Lawyer of the Year 2014. "Universally acclaimed," "Intellectually, very strong and very astute," "An outstanding advocate"


In a career at the Bar spanning over 20 years, Jason has established himself as one of the UK's most-respected practitioners in employment and equality law but whatever the field of law, he is single-mindedly focused on successful dispute resolution and the promotion of his client's best interests.

Jason is highly regarded for his sound commercial judgment and clear, pragmatic advice. He always demonstrates a real understanding of, and dedication to, his client's needs.

In a career spanning over 20 years Jason has appeared in a significant number of the leading employment and equality cases. He works across all sectors but has particular expertise in financial services, the pharmaceutical, healthcare, rail and motor industries.

Jason is also a qualified mediator, using his perceptive analysis and easy-going charm to help parties reach agreement in otherwise intractable disputes.


Labour and Employment Lawyer of the Year 2014, Lawyer Monthly Magazine

Listed in the 'Chambers 100' published by Chambers & Partners as one of the top 100 business lawyers in the UK.

Employment Junior of the Year 2009.

1994 Pegasus Scholar to New Zealand

Middle Temple Astbury Scholar


Legal 500 2016 describes Jason as ‘A very strong and skillful court advocate, who is tenacious and smart at the same time.'

Chambers & Partners 2015 commends Jason for the excellent judgment he displays and the tireless work he puts in for his clients. ‘Someone that judges respect highly.” “A real Trojan; who is very good on discrimination and disability cases.” “He's very easy to deal with, practical, straightforward and is someone that clients really like.”

Legal 500 2015 says ‘His legal skills are magnificent but, equally importantly, he is so user-friendly and a real delight to work with.'

Chambers & Partners 2014: 'Universally acclaimed as a star of the Bar, "Intellectually, he's very strong and very astute. He's able to pick out the pressure points in a case very quickly." "He's outstanding, reasonably priced and ... as smooth as any silk out there."'

Legal 500 2014: ‘an absolutely outstanding operator, and technically very gifted.'

Chambers & Partners 2013: 'an "outstanding advocate" who sources rate highly for his intellectual abilities.'

Chambers & Partners 2012: "a fleet-footed advocate" who "knows his stuff and is tough to the appropriate degree." "Ferociously bright," he is always prepared and wins cases with his imaginative arguments. Charming and engaging with clients, in court “he changes tribunals' minds like no other."

Appointments and memberships

Jason was Chair of the Industrial Law Society between 2010 and 2013 and remains a very active member of the Society. He is a long-standing member of the Employment Law Bar Association and the Employment Lawyers Association.

Publications and training

Co-author of Bullen & Leake & Jacob's and of Butterworths Employment Law Guide

Contributor to Butterworths XpertHR online service

'The EU Anti-Discrimination Directives' at the Academy of European Law, Trier, Germany

'Legal Effects of a [TUPE] Transfer' for IRS

'A bad year for Christianity: the clash between religious belief and sexual orientation' for Addleshaw Goddard Solicitors

'The law and practice of Industrial Action' for Solicitors in the Local Government Employment Special Interest Group


MA (Cantab)

Highlight cases

University of London v Morrissey [2016] ICR 893; [2016] IRLR 487, EAT. Definition of employee representatives under Information and Consultation of Employees Regs 2004
Little v Richmond Pharmacology Ltd [2014] ICR 85, EAT. Effect of successful internal appeal on claim of indirect sex discrimination.
East Midlands Trains Ltd v National Union of Rail, Maritime & Transport Workers [2013] EWCA Civ 1072. Successful application to injunct strike action on the east coast route between London and the Midlands.
Turner v East Midlands Trains [2013] ICR 525, CA. Seminal case considering the interplay between the 'band of reasonable responses' test for unfair dismissal and the European Convention on Human Rights.
Russo v British Airways [2012] EqLR 987. Indirect race discrimination. A class action brought by employees who lost travel benefits following a period of industrial action.
R & R Plant (Peterborough) Ltd v Bailey [2012] IRLR 503, in which the Court of Appeal held that Sch.6 para.2(1)(a) of the Employment Equality (Age) Regulations 2006 required an employer to inform an employee approaching retirement specifically that he had a right to make a request not to retire under para. 5 of Sch.6.
Cordell v. Foreign & Commonwealth Office [2012] ICR 280, a disability discrimination claim brought by a diplomat refused a posting overseas as Her Majesty's Deputy Head of Mission because of the cost of providing reasonable adjustments.
O'Reilly v. British Broadcasting Corporation [2011] EqLR 225, an age and sex discrimination complaint brought by a former presenter of 'Countryfile'.
Buckland v. Bournemouth University Higher Education Corporation [2010] ICR 908, CA a case that attracted significant media interest concerning allegations of 'dumbing down' of academic standards and which raised a novel but important point of law on the correct legal test to be applied in constructive dismissal cases.
Allen v. GMB [2008] IRLR 630, CA and [2007] IRLR 752, EAT. A high-profile, national test case concerning allegations of unlawful sex discrimination against the GMB.
Brennan v. Sunderland City Council and Others [2008] ICR 955 and [2009] ICR 479 defending further allegations of discrimination by the main trade unions.
Corrigan v. GMB [2008] ICR 197, EAT concerning the lawfulness of Paul Kenny's appointment as General Secretary of the union.
Irving v. GMB [2008] IRLR 202, EAT concerning the proper construction of the union's rulebook and the interpretation of s.108A of the Trade Union and Labour Relations (Consolidation) Act 1992.
Wetherill v. Birmingham City Council [2007] IRLR 781, CA. A national, multi-party test case concerning 'car user allowance' paid to local government employees.
Bull v. Nottinghamshire & City of Nottingham Fire & Rescue Authority [2007] ICR 1631 CA. A national test case concerning 'co-responding' whereby firefighters were required to answer calls to the ambulance service.
HM Prison Service v. Johnson [2007] IRLR 951, EAT. A complex disability discrimination appeal.