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George McLellan

George McLellan

Partner

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George provides comprehensive support to both private and public sector clients in judicial review, public procurement, human rights, and regulatory disputes.

Renowned as a leader in commercial judicial review, George frequently represents businesses and organisations in challenging high stakes policy and regulatory decisions made by public authorities. He has also supported numerous public authorities in defending their decisions.

George has helped a number of businesses to successfully navigate disputes concerning advertising content with UK advertising regulators.

In addition, George maintains a strong connection to his New Zealand roots through a dedicated practice supporting New Zealand companies operating in the UK. He advises on regulatory, commercial, data protection, and other key legal matters, serving both established brands and emerging start-ups.

George’s experience spans a wide range of regulated sectors, including transport, education, health policy, sport, advertising and media, social media regulation, defence, financial services, food/beverage, consumer goods, construction products, and energy.

Skills and strengths:

George is ruthlessly focused on helping his clients define and achieve their strategic objectives. Many of his clients face existential threats to their business, and George prides himself on helping them to understand their full suite of options, and in coming up with and executing strategies for turning things around.

Committed to giving back, George also lends his expertise to several charities and community organisations, helping them navigate complex legal landscapes with confidence.

George is a Beachhead Advisor for New Zealand Trade and Enterprise, and a member of the Professional Standards Steering Group of the Standards and Regulation Board of RICS (the Royal Institution of Chartered Surveyors).

George McLellan is a serious talent. He is a hard worker, he knows public law inside out, he manages his team effectively to deliver high-quality work products on time, and he has a great relationship with specialist counsel.

Legal 500, 2024

George McLellan is the premier litigator in the market at the moment for commercial claimants.

Legal 500, 2024

In terms of public law challenges, especially if it is something knotty and difficult, George is the one I would go to. He is an extremely intelligent lawyer.

Chambers & Partners, 2025

George is adept at getting the best results for the clients.

Chambers & Partners, 2025

Market leader in commercial judicial review; particularly in acting for well-known and high-profile companies and organisations looking to challenge regulatory decisions.

Legal 500, 2024

I rate George highly for his approach; he is a great black-letter lawyer but he also understands the commercial context that his clients are faced with.

Chambers & Partners, 2024

George is very diligent – he has great attention to detail and comes up with imaginative arguments.

Chambers & Partners, 2024

George McLellan brings tremendous nous and experience to all commercial judicial review and public law matters. He has significant experience of broader judicial review and human rights work. A top choice.

Legal 500, 2024

  • Central Government
  • Corporate Clients
  • Local Government
  • Commercial
  • Commercial Contracts
  • Data, Privacy and Information Law
  • Emergency injunctions
  • Human Rights
  • Infrastructure
  • Intellectual Property
  • Judicial Review
  • Litigation
  • Mediation
  • Procurement
  • Procurement challenges
  • Public Law
  • Supreme Court and Privy Council
  • Technology
  • Representing a business in challenging a decision by a private regulator to unlawfully interfere with media content belonging to the business in breach of the business’s human rights.
  • Representing the Free Speech Union in challenging the decision by the Secretary of State for Education to revoke the commencement of the Higher Education (Freedom of Speech) Act 2022 by way of judicial review. These proceedings have received widespread press coverage, including in The Times, The Daily Telegraph, and other publications.
  • Representing a local authority in successfully defending a procurement challenge threatened by a bidder in connection with the procurement of a £30m waste services contract.
  • Representing a business in successfully challenging an unlawful procurement decision by a higher education provider.
  • Representing a Government Department in successfully defending threatened procurement proceedings concerning the award of a £140m public contract.
  • Representing a business in judicial review proceedings concerning whether a rail regulator could require heritage rolling stock to be retro-fitted with central door locking: R (West Coast Railway Co Ltd) v Office of Rail and Road [2023] EWHC 3338 (Admin). He worked with Tom Cross and Rapheal Hogarth of 11 King’s Bench Walk.
  • Representing the claimant in pursuing a significant commercial judicial review challenge concerning the legality, lawfulness and rationality/proportionality of the Food (Promotion and Placement) (England) Regulations 2021 (SI 2021/1368) made by the Secretary of State for Health and Social Care: R (oao of Kellogg Marketing and Sales Co (UK) Ltd and anor) v Secretary of State for Health and Social Care [2022] EWHC 1710 (Admin).
  • Advising the Government Legal Department to successfully defend against a judicial review claim brought by the Good Law Project against the Secretary of State for Health and Social Care (DHSC): R (oao Good Law Project) v Secretary of State for Health and Social Care [2022] EWHC 2468 (TCC).
  • Representing a major UK brand in successfully defending the credibility of environmental claims made in its advertising campaigns in the context of a regulatory investigation by the Advertising Standards Authority (ASA). The claim was successful and resulted in the investigation being closed without official findings being made.
  • Representing a global business in appealing a preliminary UK Code of Broadcast Advertising (BCAP Code) ruling of the Advertising Standards Authority (ASA) in connection with rules on advertising foods deemed to be ‘high in fat, salt and sugar’. This was the first time a BCAP Decision was ever reversed following an appeal to the Independent Reviewer.
  • Representing the winning party in procurement proceedings considering whether the automatic suspension triggered by Regulation 95 of the Public Contracts Regulations 2015 remains in place where the contract decision has been rescinded: Aquila Heywood Limited v Local Pensions Partnership Administration Limited [2021] EWHC 114 (TCC).

In its decision issued last week (West Dulwich Action Group v London Borough of Lambeth[1] ), the High Court determined that the London Borough of Lambeth (“Council”) acted unlawfully in establishing an experimental low traffic neighbourhood (“LTN”) in Dulwich, South London. The Court’s decision does not limit a local authority’s ability to establish LTNs.  However,…

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Introduction On January 8, 2025, the Advertising Standards Authority (ASA) issued a ruling regarding a series of poster advertisements for Wahed Invest Ltd (Wahed), an online Islamic investment company (ASA Complaint Ref: G24-1262171). These ads were displayed in Transport for London (TfL) locations, including on TfL trains, London Underground platforms and TfL busses, and drew…

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On 24 December 2024, the UK government Department for Transport (“the DfT”) commenced a new “fast-track” consultation titled ‘Phasing out the sale of new petrol and diesel cars from 2030 and Support for the Zero Emission Transition’ (“the Consultation”). The Consultation is “open”, meaning that any individual or organisation may respond to it by completing…

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