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Stuart Brittenden KC

Silk: 2024 | Call: 1999

"Stuart Brittenden is an absolute standout, class act and best in the business."

Chambers & Partners 2026

"Stuart is an exceptional advocate, and he is incredibly good with clients. His legal knowledge is encyclopaedic and second to none."

Legal 500 2026

"Stuart's advocacy is very strong and he is outstanding."

Chambers & Partners 2026

“Stuart has the best client care of any counsel I have instructed.”

Chambers & Partners 2025

Overview

Stuart is an employment law specialist with extensive experience across the spectrum of individual and collective employment law, appearing at first instance and at appellate levels. Stuart was called to the Bar in 1999 and took silk in 2024.

He is ranked by both Chambers & Partners and The Legal 500. Stuart has been commended by the former for being “… able to analyse complex matters in an extremely practical and commercial way” and is someone who “thinks ten paces ahead and is very good on his feet.”

His practice areas include Employment & Discrimination, Industrial Relations, Professional Discipline, and Judicial Review.

He is regularly instructed in cases of strategic importance, including three recent appearances in the Supreme Court: Kostal UK Ltd v Dunkley [2022] ICR 434, [2022] IRLR 66 SC (inducements relating to collective bargaining – s. 145B TULRCA 1992); Secretary of State for Business & Trade v Mercer [2024] ICR 814, [2024] IRLR 599, [2024] HRLR 8 (detriment short of dismissal for participating in industrial action/right to strike under Article 11 ECHR); and also in the “fire and re-hire” challenge in Tesco Stores Ltd v USDAW & Ors [2025] ICR 107 where the Supreme Court granted a permanent injunction to restrain dismissal.

In 2025, Stuart has appeared in the Court of Appeal in significant test litigation: Ryanair DAC v Morais and others  [2025] ICR 863, [2025] IRLR 297 CA (Employment Relations Act (Blacklists) Regulations 2010 – seminal decision confirming that  participation in official industrial action constitutes activities of trade unions and is protected under reg. 3); and Ryanair DAC v Lutz [2025] EWCA Civ 849, [2025] IRLR 764 CA (worker status, meaning of assigned ‘temporarily’ for the purposes of reg. 3 Agency Workers Regulations 2010).

Prior to joining Old Square Chambers, Stuart attained a Masters in Labour Law (Distinction) at the London School of Economics (LSE). He has lectured in Labour Law at the LSE.

Stuart is instructed from a variety of sources, including but not limited to the banking/financial, health, higher education sector, hospitality, legal, and local authorities, as well as undertaking work of strategic importance for and on behalf of a number of trade unions.

Positions of Responsibility:

  • Latterly Vice Chair of Old Square Chambers Employment Law Special Interest Group (until 2025)
  • Industrial Law Society (ILS) Executive Committee Member (2025 –  )
  • Employment Lawyers Association (ELA): Director and Management Committee Member (2012-14)
  • Bar Standards Board Qualifications Committee (2005 -2012), latterly Chairman of Transferring Qualified Foreign Lawyers Panel
  • International Paralympic Committee (IPC) ad hoc disciplinary panel member, Anti-Doping Rule Violations (ADRV)

Professional Memberships:

  • Employment Law Bar Association (ELBA)
  • Employment Lawyers Association (ELA)
  • Industrial Law Society (ILS)
  • Institute of Employment Rights (IER)

Professional Recommendations

 

“Stuart has an exceptional work ethic. He is very charming and thoughtful, and wears his considerable talent lightly, putting his clients at ease. He has an easy style of advocacy which is respectful to both opponents and judges.”

The Legal 500 2025

“Stuart is an incredible barrister.”

Chambers & Partners 2025

“Stuart has the best client care of any counsel I have instructed.”

Chambers & Partners 2025

“Stuart is unbeatable in every way.”

Chambers & Partners 2025

“Stuart gets the full picture and is a strong tactician and very easy to work with. He will drill into necessary detail, which is often the clincher in a successful outcome.”

Chambers & Partners 2024

“Stuart is brilliant at the law and superb with clients. He is very much the team player. Nothing is too much trouble.”

Chambers & Partners 2024

“Stuart is one of the best juniors at the employment Bar. He is outstanding in every respect.”

Chambers & Partners 2024

“Stuart is an incredibly hard-working junior with an attractive advocacy style.”

The Legal 500 2024

Expertise

Employment & Discrimination

Industrial Relations

Judicial Review

Professional Regulatory & Discipline

HR Professional Support


Recent and current work

Relevant Work

Key contacts

Olivia Moliterno

Team Leader
Olivia Moliterno Telephone Clerk020 7269 0477 Email Clerk

Manisha Agheda

Team Leader Assistant
Manisha Agheda Telephone Clerk020 7269 0482 Email Clerk
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William Meade (Senior Clerk)

07970 649 755