Adam Riley is a commercial and public law barrister specialising in complex domestic and international disputes.

His commercial practice encompasses civil fraud, insolvency, financial services, professional negligence, international arbitration and cross-border litigation. Alongside this, he has an established public law practice, acting for overseas as well as domestic public authorities, companies and private individuals.

Adam regularly appears as sole counsel in the High Court and as junior to King’s Counsel before the High Court, Court of Appeal and Supreme Court. He has appeared in 14 appeals as junior counsel and more recently as a leader before the Judicial Committee of the Privy Council in appeals from Mauritius, Jamaica, Trinidad and Tobago, The Bahamas, and Antigua and Barbuda. He is often instructed in cross-border matters featuring difficult questions of foreign law, jurisdictional challenges and appellate advocacy. He has recently advised on issues arising under English, New York, Singaporean, Hong Kong, Swiss, German and British Virgin Islands law in complex securities litigation spanning multiple jurisdictions.

Adam is a member of the Attorney General’s C Panel of Junior Counsel to the Crown and has been repeatedly ranked as a Rising Star (Tier 1) by the Legal 500 in both the English Bar Offshore and Administrative Law & Human Rights categories for 2024, 2025 and 2026. The Legal 500 describes him as “thoughtful, comprehensive and analytical” and notes that his “written advocacy is exemplary—clear, persuasive and tightly reasoned”.

Adam is named as a contributor to the 2025 issue of Atkin’s Court Forms, 2nd Ed, on appeals to the Supreme Court and Privy Council. He has also authored commentary on enforcement and related proceedings for Butterworths Civil Court Precedents.

Adam is committed to pro bono work. Before commencing practice, he volunteered with a charity supporting refugees in Greece and worked on death row appeals as an Amicus intern with the Capital Post-Conviction Project of Louisiana in New Orleans.

Select Instructions

  • Lifestyle Equities C.V. and anor v Ahmed and anor  [2025] A.C. 1 – Junior counsel before the Supreme Court. The decision is the leading judgment on directors’ liability, accessory liability and accounts of profits for trade mark infringement.
  • Guilliey v OCAPAC Mauritius Holding Ltd [2026] UKPC 25 – Led the successful counsel team on behalf of the respondent in an appeal before the Judicial Committee of the Privy Council. The appeal concerned the proper application of the Mauritian Civil Code and Mauritian legislation to the appellant’s employment contract.
  • International Securities Litigation – Acting for investors in claims arising from the alleged fraudulent marketing of approximately US$160 million of listed bonds, involving claims in deceit, unlawful means conspiracy, dishonest assistance, knowing receipt and breach of fiduciary duty. The claim involves significant cross-border and foreign law analysis.
  • International Commercial Litigation – Advising and preparing an application to serve proceedings out of the jurisdiction against multiple defendants in connection with alleged large-scale international civil fraud.
  • Dipcon Engineering Services Ltd v Urban Development Corporation of Trinidad and Tobago Ltd [2025] UKPC 29 – Junior counsel in a commercial appeal concerning a TT$11 million construction dispute before the Judicial Committee of the Privy Council.
  • R (Keighley) v Office of Communications [2025] 1 W.L.R. 4231 – Junior counsel in judicial review proceedings concerning the scope of Ofcom’s statutory jurisdiction over complaints of systemic political bias in broadcasting.
  • Maharaj v Cabinet of Trinidad and Tobago (No. 2) [2024] UKPC 41 – Junior counsel in a constitutional appeal concerning the President’s powers and the tenure of the Commissioner of Police before the Judicial Committee of the Privy Council.
  • John Mussington v Development Control Authority [2024] P.T.S.R. 460 – Junior counsel in a landmark environmental appeal concerning the planned development of a new international airport in Barbuda before the Judicial Committee of the Privy Council.
  • Momenta v Cheval Legal [2024] EWHC 3333 (Ch): Junior counsel in heavy commercial litigation for the successful defendant, counterclaiming for breach of various contractual duties in an outsourcing agreement and securing judgment of over £4,000,000.

Expertise

Adam advises and appears in disputes engaging the Montreal Convention, the Athens Convention, the Package Travel and Linked Travel Arrangements Regulations 2018 and retained passenger-rights legislation.

He has acted for airlines, tour operators and passengers in claims concerning personal injury, delay, denied boarding, baggage and cargo. His experience includes issues of liability, jurisdiction, limitation, expert evidence, quantum and procedure, as well as the drafting of pleadings, schedules of loss and written advice.

Adam appears as sole counsel in trials, appeals, interim applications and costs and case management hearings. He also has experience of aviation-related adjudication, including CEDR proceedings.

Adam has a substantial offshore practice, acting for governments, companies and private clients in disputes across the Commonwealth and beyond.

He has appeared in 14 appeals before the Judicial Committee of the Privy Council, acting in appeals from Mauritius, Jamaica, Trinidad and Tobago, The Bahamas and Antigua and Barbuda. He is also regularly instructed to advise on English law issues arising in proceedings before the courts of Jersey and Gibraltar.

Adam’s offshore work spans commercial disputes, civil fraud, corporate and insolvency litigation, constitutional law, judicial review and appellate advocacy. He regularly works alongside leading King’s Counsel, Senior Counsel and overseas lawyers and is recognised as a key team-player in high-value complex disputes.

Reflecting his growing international practice, Adam has been ranked as a Tier 1 Rising Star in The Legal 500 – The English Bar (Offshore) for 2024, 2025 and 2026.

Adam has a longstanding interest in legal developments across the Commonwealth and has published in the Jamaican Bar Association Journal and the Commonwealth Lawyers Association Journal.

Representative Instructions

• Mauritius – Guilliey v OCAPAC Mauritius Holding Ltd [2026] UKPC 25 – Led the successful counsel team on behalf of the respondent in an appeal before the Judicial Committee of the Privy Council. The appeal concerned the proper application of the Mauritian Civil Code and Mauritian legislation to the appellant’s employment contract.
• Trinidad & Tobago – Dipcon Engineering Services Ltd v Urban Development Corporation of Trinidad and Tobago Ltd [2025] UKPC 29 – Junior counsel in a commercial appeal concerning a TT$11 million construction dispute before the Judicial Committee of the Privy Council.
• Trinidad & Tobago – Maharaj v Cabinet of Trinidad and Tobago (No. 2) [2024] UKPC 41 – Junior counsel in a constitutional appeal concerning the President’s powers and the tenure of the Commissioner of Police before the Judicial Committee of the Privy Council.
• Antigua & Barbuda – John Mussington v Development Control Authority [2024] UKPC 3 – Junior counsel in a landmark environmental appeal concerning standing to challenge planning permission for the planned development of an international airport on Barbuda.
• Trinidad & Tobago – Attorney General v JM [2022] UKPC 54 – Junior counsel in a leading constitutional appeal concerning state liability for abuse suffered by a child in care and the principles governing damages in constitutional claims.
• Trinidad & Tobago – Attorney General v Akili Charles (No. 2) [2022] UKPC 31 – Junior counsel in a successful constitutional challenge to provisions of the Bail Act providing for the automatic denial of bail to persons charged with murder.
• Trinidad & Tobago – Attorney General of Trinidad and Tobago v Akili Charles [2023] 1 W.L.R. 177 – Junior counsel in a successful constitutional challenge asserting that the restart of the appellant’s preliminary inquiry breached his right to the protection of the law following lengthy pre-trial detention.
• Trinidad & Tobago – Suraj v Attorney General of Trinidad and Tobago [2023] AC 337 – Junior counsel in a constitutional appeal concerning the legality of the Coronavirus Regulations 2020 and the interpretation of fundamental rights.
Jamaica – Tafari Morrison v The King [2023] UKPC 14 – Junior counsel for the Crown in an appeal concerning the constitutionality of mandatory minimum sentencing.
• Jersey & Gibraltar – Regularly instructed to advise on English law issues arising in commercial and public law litigation and appellate proceedings before the courts of Jersey and Gibraltar.
Comparative Law – Regularly advising and acting in disputes involving the application of foreign law, with particular experience of: Swiss, British Virgin Islands, German, Hong Kong, Singaporean and New York law in the context of international commercial litigation, civil fraud and cross-border insolvency.

Adam specialises in complex commercial disputes, acting for companies, financial institutions, insolvency office-holders, governments and private clients in litigation before the Business and Property Courts, appellate courts and international tribunals.

His practice spans domestic, international and offshore litigation, with particular expertise in civil fraud, corporate and insolvency disputes, financial services, shareholder litigation, international arbitration and cross-border enforcement. He is regularly instructed in disputes involving allegations of fraud, complex contractual arrangements, distressed businesses, financial markets and commercial relationships spanning multiple jurisdictions.

Adam appears both as sole counsel and alongside leading King’s Counsel in trials, appeals and interim applications. He is particularly experienced in disputes involving jurisdictional challenges, foreign law, the enforcement of foreign judgments and arbitral awards, and conflicts of laws. He has advised and acted in matters involving English, Swiss, British Virgin Islands, German, Hong Kong, Singaporean and New York law.

Adam is the author of the commentary on enforcement and related proceedings in Butterworths Civil Court Precedents.

Representative Instructions

• International Securities Litigation – Acting as junior counsel for investors in claims arising from the alleged fraudulent marketing of approximately US$158 million of English law-governed listed bonds, involving claims in deceit, unlawful means conspiracy, dishonest assistance, knowing receipt and breach of fiduciary duty. The litigation raises substantial issues of foreign law and cross-border enforcement.
• Dipcon Engineering Services Ltd v Urban Development Corporation of Trinidad and Tobago Ltd [2025] UKPC 29 – Junior counsel in a commercial appeal before the Judicial Committee of the Privy Council concerning a TT$11 million construction dispute.
• De Sanctis v Bottari [2025] EWHC 270 (KB) – Junior counsel, successfully obtaining an injunction restraining enforcement of a registered Italian judgment worth approximately £1.2 million, involving complex issues of foreign law and the enforcement of foreign judgments.
• Momenta Holdings (CI) Ltd v Cheval Legal Ltd [2024] EWHC 3333 (Ch) – Junior counsel in a substantial commercial dispute in which the defendant secured an award exceeding £4 million on its counterclaim.
• Scott v Walker [2024] EWHC 636 (Ch) – Sole counsel, successfully arguing that England was not the appropriate forum for determining a complex trust dispute.
• Mauger v Mauger [2024] JCA197 – Advising on the compatibility of Jersey customary law with the jurisprudence of the European Court of Human Rights on testamentary freedom.
• Corporate Insolvency – Advising on challenges to the rejection of proofs of debt by Joint Liquidators with a collective value exceeding TT$900 million.
• Financial Markets & Sanctions – Advising on the interaction between the Gibraltar sanctions regime and the funding of liquidation proceedings following the non-payment of an arbitral award exceeding US$48 million.
• Foreign Exchange Dispute – Junior counsel in a £1.5 million claim arising from an alleged breach of a foreign exchange agreement, achieving a successful commercial settlement.
• Insurance Litigation – Acting in high-value commercial litigation under the Third Parties (Rights against Insurers) Act 2010, involving complex forensic accountancy and actuarial expert evidence.
• Cross-Border Commercial Advice – Advising on claims involving deceit, conspiracy and breach of contract against a Gibraltar financial services company, together with jurisdictional, service-out, governing law and enforcement issues.

Adam is regularly instructed in corporate and insolvency disputes, acting for companies, directors, shareholders, investors, insolvency office-holders, creditors and debtors in litigation arising from corporate transactions, financial distress and business failure.

His practice encompasses disputes between shareholders, claims against directors and fiduciaries, corporate governance disputes, restructuring and insolvency proceedings, office-holder claims and contentious winding-up and bankruptcy proceedings. He is equally experienced in applications concerning statutory demands, bankruptcy and winding-up petitions, injunctions restraining insolvency proceedings and challenges to office-holder decisions.

Adam has particular experience where corporate and insolvency disputes overlap with allegations of fraud, breach of fiduciary duty or other serious commercial wrongdoing. He regularly advises on directors’ duties, shareholder rights, void transactions, transactions at an undervalue, preferences, wrongful trading, director disqualification and recovery actions brought by liquidators and administrators.

His practice frequently has an international dimension, including cross-border insolvency, foreign law, jurisdictional issues and the enforcement of judgments. He acts both as sole counsel and alongside leading King’s Counsel.

 Representative Instructions

• Lifestyle Equities C.V. and anor v Ahmed and anor [2025] A.C. 1 – Junior counsel before the Supreme Court. The decision is the leading judgment on directors’ liability, accessory liability and accounts of profits for trade mark infringement.
• International Securities Litigation – Acting for investors in claims arising from the alleged fraudulent marketing of approximately US$158 million of English law-governed listed bonds following the issuer’s liquidation in India, involving allegations of deceit, breach of fiduciary duty and conspiracy.
• Corporate Insolvency – Advising on challenges to the rejection of proofs of debt by Joint Liquidators with a collective value exceeding TT$900 million.
• Bankruptcy – Sole counsel successfully securing the withdrawal of a bankruptcy petition founded on an alleged debt of £1.6 million, arguing that the underlying loan agreement was unenforceable under the Consumer Credit Act 1974.
• HMRC – Regularly instructed by HMRC via the Attorney-General’s C-Panel to handle complex contentious bankruptcy and winding up matters.
• Directors’ Duties & Office-Holder Claims – Advising and acting in claims involving breach of directors’ duties, director disqualification, transactions at an undervalue, preferences, void dispositions and recovery actions brought by liquidators and administrators.
• Shareholder Disputes – Advising and acting in unfair prejudice petitions and shareholder disputes involving allegations of conflicts of interest, breaches of fiduciary duty and corporate governance failures.
• Cross-Border Insolvency – Advising on insolvency and restructuring matters involving overseas companies, foreign law, sanctions and jurisdictional issues.

Adam has a substantial public law practice encompassing constitutional, administrative and regulatory law. He acts for governments, public authorities, regulators, companies and private individuals in judicial review proceedings, statutory appeals and constitutional litigation.

His practice combines domestic public law with extensive appellate experience before the Judicial Committee of the Privy Council, where he has appeared in 14 appeals from jurisdictions including Mauritius, Jamaica, Trinidad and Tobago, The Bahamas and Antigua and Barbuda. He is equally experienced acting as sole counsel and as junior counsel to leading King’s Counsel in cases raising significant questions of statutory interpretation and constitutional principle.

Adam is a member of the Attorney General’s C Panel of Junior Counsel to the Crown and is regularly instructed by government departments, including HM Treasury, the Department for Business and Trade, HM Revenue & Customs, the Insolvency Service, and the Home Office. He has also advised government on the development of legislation, including issues arising during the passage of the Economic Crime and Corporate Transparency Act.

Reflecting the breadth of his public law practice, Adam has been ranked as a Tier 1 Rising Star in The Legal 500 – Administrative & Human Rights for 2024, 2025 and 2026.

Representative Instructions

• HM Treasury & Department for Business and Trade v Global Feedback Ltd [2025] EWCA Civ 624 – Junior counsel in judicial review proceedings concerning the UK–Australia Free Trade Agreement and the application of the Aarhus Convention costs regime.
• R (Keighley) v Office of Communications [2025] EWHC 416 (Admin) – Junior counsel in judicial review proceedings concerning the scope of Ofcom’s statutory jurisdiction over complaints of political bias in broadcasting.
• Trinidad & Tobago – Ravi Balgobin Maharaj v Cabinet of Trinidad and Tobago (No. 2) [2024] UKPC 41 – Junior counsel in a constitutional appeal concerning the President’s constitutional powers and the appointment of the Commissioner of Police.
• Antigua & Barbuda – John Mussington v Development Control Authority [2024] UKPC 3 – Junior counsel in a landmark environmental appeal concerning standing to challenge planning permission for the redevelopment of Barbuda International Airport.
• Trinidad & Tobago – Attorney General v JM [2022] UKPC 54 – Junior counsel in a leading constitutional appeal concerning state liability for abuse suffered by a child in care and the assessment of constitutional damages.
• Trinidad & Tobago – Attorney General v Akili Charles [2023] 1 WLR 177 – Junior counsel in a constitutional challenge concerning the right to protection of the law following lengthy pre-trial detention.
• Trinidad & Tobago – Attorney General v Akili Charles (No. 2) [2022] UKPC 31 – Junior counsel in the successful constitutional challenge to provisions of the Bail Act providing for the automatic denial of bail to persons charged with murder.
• Trinidad & Tobago – Suraj v Attorney General of Trinidad and Tobago [2023] AC 337 – Junior counsel in a constitutional appeal concerning the legality of the Coronavirus Regulations 2020 and the interpretation of fundamental rights.
• Jamaica – Tafari Morrison v The King [2023] UKPC 14 – Junior counsel for the Crown in a constitutional appeal concerning mandatory minimum sentencing and international human rights principles.

Adam is instructed in international arbitration and arbitration-related court proceedings, acting for companies, financial institutions, governments and private clients in commercial disputes with an international dimension.

His practice includes commercial and investor-State arbitration, jurisdictional challenges, the recognition and enforcement of arbitral awards, and arbitration-related proceedings before the English courts. He has experience of disputes conducted under the ICC, LCIA, UNCITRAL and ICSID Rules, particularly where arbitration intersects with complex commercial litigation, shareholder disputes, sanctions, foreign law or insolvency.

Alongside his practice, Adam has written on developments in international arbitration for the Kluwer Arbitration Blog.

 Representative Instructions

• ICSID Arbitration (The Bahamas) – Assisting in an investor-State arbitration valued at up to US$350 million.
• International Commercial Arbitration – Acting in a high-value arbitration concerning an alleged breach of a financial services agreement, involving issues of sanctions, domestic and foreign law illegality.
• Shareholder Arbitration – Advising in an arbitration arising from a shareholder dispute, including jurisdictional objections and procedural strategy.
• Arbitration Act 1996 – Advising on challenges to arbitral awards under section 67 of the Arbitration Act 1996 on grounds of substantive jurisdiction.

'Adam is intellectually formidable—an encyclopaedia when it comes to constitutional matters in the Caribbean. Adam is unflappable under pressure and collegiate in his approach, always willing to go the extra mile for the case and the team. His written work is consistently elegant and rigorous, and he is a calm and precise advocate in court.’ - Other expertise

Legal 500 2026 - The English Bar Offshore

‘Adam is an absolutely first-rate junior in the field of constitutional law. He combines deep knowledge of complex legal frameworks with sound judgment, intellectual rigour, and strategic foresight. His written advocacy is exemplary—clear, persuasive, and tightly reasoned.’ - Administrative law and human rights

Legal 500 2026

‘Adam is very knowledgeable on East Caribbean Civil Procedure as well as the workings on the Privy Council on appeal from the East Caribbean courts. He is very intelligent and knowledgeable about the law, he is very interested in and committed to Caribbean work, and is already making a good name for himself.’ - Caribbean - The English Bar Offshore - Other expertise (Rising Star)

Legal 500 2025

'He is enthusiastic and articulate on his feet and is particularly impressive before the Privy Council.' - The English Bar Offshore

Legal 500 2024

'Adam is thoughtful, comprehensive and analytical. His attention to detail and command of language is shown through his cogent and thorough arguments.' - Administrative law and human rights > Rising stars

Legal 500 2024

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Please contact us either by telephone: +44 (0)20 7415 7800 or email: clerks@3harecourt.com

 

  

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