Nicholas Leah has a busy commercial practice with a particular focus on commercial litigation and arbitration, civil fraud, insolvency, company, cryptoassets and property.

He is ranked as a “Rising Star” (Tier 1) for civil fraud (London Bar) and commercial disputes (English Bar Offshore) in the 2026 Legal 500 rankings.

Much of Nicholas’ work has an international or offshore dimension. He has worked on commercial disputes arising out of various overseas jurisdictions, including the BVI, the Bahamas, Mauritius, Gibraltar (where he has been called ad hoc to the Bar), Jersey, Italy, Switzerland and various CIS and Gulf states. He has twice appeared on his feet before the Privy Council in commercial appeals from Trinidad and Tobago and Saint Christopher and Nevis. He has also spent time as a secondee at BonelliErede, a leading Italian law firm.

He regularly works as part of counsel teams (both within and outside of Chambers) on complex, high-value commercial disputes. In addition, he often appears as sole counsel in trials, interim applications and costs and case management conferences. He has successfully appeared as sole counsel in the High Court on multiple occasions against opponents many years more senior.

Recent and ongoing case highlights in his main practice areas include:

Civil Fraud & Asset Recovery

Commercial Litigation & International Arbitration

  • Waterworks Ltd v Water and Sewage Authority of Trinidad and Tobago [2025] UKPC 9: Represented the appellant in an appeal arising out of two construction contracts worth TT$ 27 million and concerning the interpretation of sub-clause 19.6(c) within the FIDIC forms (“reasonably incurred by the Contractor in the expectation of completing the Works”), the most widely used standard form international construction contracts (led by Rowan Pennington-Benton).
  • Nanox Imaging PLC v David Schick 2024/GSC/043: Successfully applied for an anti-suit injunction to restrain foreign proceedings and successfully resisted an application for a stay on forum non conveniens grounds in the Supreme Court of Gibraltar. Now representing the Claimant seeking negative declaratory relief and defending an alleged conspiracy counterclaim valued over $30 million (led by Rowan Pennington-Benton).
  • ICSID arbitration: Assisted with a $300 million ICSID arbitration between a construction and engineering company and a national government.

Insolvency & Company

Cryptoassets & Blockchain Technology

  • Nwikpo and Nwikpo v Tap N Go Limited and Others [2026] EWHC 147 (Ch): Successfully dismissed a multimillion-pound breach of contract and fraudulent misrepresentation claim brought against three Gibraltar-based defendants concerning the development of a fiat to cryptocurrency exchange and digital wallet app (led by Rowan Pennington-Benton). Also successfully resisted a permission to appeal application to the Court of Appeal in CA-2026-000417.
  • Co-drafted the Network Access Rules for the BSV Association as part of an 18-month collaborative project with D2 Legal Technology to create a groundbreaking multilateral contract in the cryptocurrency and blockchain technology sphere (led by Jeffrey Golden KC (Hon)).

Before joining Chambers, Nicholas researched and taught law as a Visiting Lecturer at City, University of London, where he received the Law School’s Teaching Excellence Award. He has developed expertise in matters of international law, having spent time at The Hague Academy of International Law as a private international law scholar and having been part of the Gray’s Inn team that won the UK National Championship in the Jessup International Law Moot.

Expertise

Nicholas is ranked as a “Rising Star” (Tier 1) in civil fraud in the Legal 500 2026 UK Bar rankings. He is the only barrister of his year of call ranked in this category.

He has a busy civil fraud and asset recovery practice, with wide-ranging experience of drafting pleadings and advising on complex, high-value disputes where fraud is alleged. He has particular experience of freezing injunction applications and other forms of interim relief in support of civil fraud and asset recovery matters.

Nicholas regularly speaks on civil fraud topics. Alongside Tom Poole KC and Andrew Barns-Graham, he has delivered a series of talks on freezing injunctions and proprietary injunctions. He also recently recorded a Lexis Nexis webinar with Andrew Barns-Graham titled “Freezing injunctions: a landmark anniversary and a new model order”, the first webinar of its kind to analyse the new model freezing order.

Recent led work:

Recent work as sole counsel:

  • Palms Hotel London Ltd v Morbin [2026] EWHC 1187 (KB): Successfully obtained an immediate costs order for the applicant at a return date of an interim injunction application due to a “special factor” being present (the non-engagement of the respondent).
  • JLA 79 Ltd v Lermer [2025] EWHC 3599 (Comm): Successfully dismissed a worldwide freezing injunction application brought on short notice in support of an anticipated multimillion-pound fraud claim arising out of a share purchase agreement (as sole counsel).
  • Successfully obtained a large settlement for liquidators in a claim valued over £5 million involving allegations of fraudulent trading and wrongful trading against former directors.

Nicholas is ranked as a “Rising Star” (Tier 1) in commercial disputes offshore in the Legal 500 2026 UK Bar rankings. He is the only barrister of his year of call ranked in this category.

He has extensive commercial litigation experience, both as part of a team and as sole counsel, advising on commercial remedies (including equitable remedies) across various sectors such as banking and finance, insurance and reinsurance, digital assets, technology, construction, aviation and medical technology.

He has particular knowledge of complex conflict of laws questions in international commercial litigation, including jurisdiction, applicable law, anti-suit injunctions, freezing injunctions and enforcement. He has studied private international law at The Hague Academy as a scholar.

In addition, he has unique experience amongst members of the Bar of drafting contracts, including a multilateral cryptocurrency/blockchain technology contract and a share purchase agreement.

Recent led work:

Recent work as sole counsel:

  • Represented a respondent to a complex delivery up application about access to and ownership of a domain page used by a leading payment platform business.
  • Advised a Kazakhstan company on a breach of contract and fraudulent misrepresentation claim valued at $12.5 million.
  • Advised a BVI investment company on a multimillion-dollar unjust enrichment claim and injunctive relief.

Nicholas has a busy and varied insolvency and company law practice. In addition to his led work on heavy commercial chancery applications and trials, he regularly appears as sole counsel before Insolvency and Companies Court judges.

He has experience of a wide range of insolvency and company law matters, including partnership disputes, shareholder disputes, unfair prejudice petitions, as well as antecedent transaction, misfeasance, wrongful trading and fraudulent trading claims. He is also regularly instructed to appear in winding-up and bankruptcy petitions, applications to set aside statutory demands and bespoke applications under the Insolvency Act 1986 and Companies Act 2006.

He has been successful in multiple reported insolvency and company matters as sole counsel.

Recent led work:

Recent work as sole counsel:

Nicholas has experience of both commercial arbitrations and investor-state arbitrations. He is familiar with major arbitral regimes such as the ICC Rules, the LCIA Rules and the ICSID Rules. He also has experience of court litigation supportive of arbitration such as anti-suit injunctions and enforcement of arbitral awards.

He has coached teams for and participated in the Willem C. Vis International Commercial Arbitration Moot.

 Recent arbitration work:

  ICSID arbitration: Assisted with a $300 million ICSID arbitration between a construction and engineering company and a national government.

  • ICC arbitration: Assisted with submissions in an arbitration under ICC Rules arising out of a multimillion-dollar loan agreement.
  • LMAA arbitration: Advised on the prospects of success in an arbitration under the LMAA Rules arising out of the charter of a luxury yacht.
  • ISTAC arbitration: Advised a Kazakhstan company on claims arising from a share purchase agreement governed by English law in relation to a potential arbitration seated in Istanbul under the ISTAC Rules (as sole counsel).
  • Essar Projects Limited v CIJE Kuwait (2023): Successfully obtained an anti-suit injunction to restrain proceedings in Kuwait in favour of an English arbitration agreement (supported Simon Davenport KC).

Nicholas is regularly instructed on commercial disputes with an international or offshore dimension. In recent years he has worked on cases arising out of many jurisdictions, including the BVI, the Bahamas, Jersey, Mauritius and Gibraltar (where he has been called to the Bar).

He has considerable experience of appeals to the Privy Council from numerous jurisdictions in the Caribbean and Mauritius. Despite his recent call date, in October 2024 he became one of the most junior members of the Bar to address the Privy Council on his feet in a commercial interpretation appeal arising out of Trinidad and Tobago.

Recent offshore cases:

  • ENG8 Limited v Biaco Limited and Others 2025/GSC/047: Successfully resisted an application to set aside a statutory demand in Gibraltar based on a judgment debt obtained in English proceedings. Notwithstanding the applicant’s alleged £500 million crossclaim, the Supreme Court of Gibraltar dismissed the application on the grounds of the applicant failing to provide evidence in support within the statutory deadline and failure to evidence a reasonable prospect of establishing a cross claim (led by Darren Martinez).
  • Nanox Imaging PLC v David Schick 2023/ORD/129: Representing a party seeking negative declaratory relief and defending an alleged breach of contract and conspiracy counterclaim valued over $30 million (led by Daniel Feetham KC).
  • Nanox Imaging PLC v David Schick 2024/GSC/043: Successfully applied for an anti-suit injunction to restrain foreign proceedings and successfully resisted an application for a stay on forum non conveniens grounds in the Supreme Court of Gibraltar (led by Rowan Pennington-Benton).
  • African Network Information Centre: Advised the receiver of a company based in Mauritius which acts as the regional internet registry for the African and Indian Ocean regions and is responsible for the allocation and registration of millions of IP addresses. Subsequently, formed part of the Nomination Committee to interpret and apply the company’s byelaws and assist with the recruitment of a new Board of Directors (both matters led by Simon Davenport KC).
  • Rossocorsa Limited v Cascade Marine Limited 2024/COMP/001: Successfully dismissed a set aside application. The Supreme Court of Gibraltar confirmed that it could not extend the deadline for applying to set aside a statutory demand under the Gibraltar Insolvency Act 2011 (led by Darren Martinez).
  • Ellis Richards and Others v The State of Trinidad and Tobago [2024] CCJ 2 (OJ): Supported Simon Davenport KC and Robert Strang in a multimillion-dollar insurance claim brought by a group of investors from countries in the Eastern Caribbean against the Republic of Trinidad and Tobago before the Caribbean Court of Justice.

Recent Privy Council cases:

Nicholas has considerable experience in disputes involving technology and fintech, particularly the law in relation to blockchain and other distributed ledger technologies, smart legal contracts and digital assets (including cryptocurrencies and non-fungible tokens).

He has an emerging interest in decentralised autonomous organisations (DAOs), having recently appeared on a specialist panel about the legal characterisation of DAOs and how to sue them.

Recent cases:

  • Nwikpo and Nwikpo v Tap N Go Limited and Others [2026] EWHC 147 (Ch): Successfully dismissed a multimillion-pound breach of contract and fraudulent misrepresentation claim brought against three Gibraltar-based defendants in a case concerning the development of a fiat to cryptocurrency exchange and digital wallet app (led by Rowan Pennington-Benton). Also successfully resisted a permission to appeal application to the Court of Appeal in CA-2026-000417.
  • In the matter of Tranzfar Ltd (CR-2025-003270): Successfully represented Ripple, one of the largest fintech companies, in a final hearing of a winding up petition contested by an opposing creditor (as sole counsel).
  • African Network Information Centre: Advised the receiver of a company based in Mauritius which acts as the regional internet registry for the African and Indian Ocean regions and is responsible for the allocation and registration of millions of IP addresses (led by Simon Davenport KC).
  • Co-drafted the BSV Association’s Network Access Rules, a multilateral contract in the cryptocurrency and blockchain technology sphere (led by Jeff Golden KC (Hon) and part of a collaborative project with D2 Legal Technology). The Network Access Rules draw on precedents from the derivatives and other global financial markets to create a multilateral contract between and among the BSV Association and all nodes, providing a legal framework in relation to activities on the Bitcoin SV Network.
  • Advised a Swiss verein associated with a blockchain protocol on the nature of smart legal contracts and potential causes of action available (led by Jeffrey Golden KC (Hon)).

Nicholas has a wide range of experience of banking and financial services disputes. He is particularly familiar with the law surrounding syndicated loan agreements, international bond issues, derivatives and securitisation.

He also has considerable experience of consumer credit claims under the Consumer Credit Act 1974, in particular “unfair relationship” claims in the context of motor finance following the UK Supreme Court’s decision in Hopcraft and another v Close Brothers Ltd [2025] UKSC 33.

Recent cases:

Nicholas has experience of a range of professional negligence disputes, particularly in the context of professional service providers such as lawyers, accountants and auditors. He has experience of advising on all aspects of professional negligence claims founded on contract and / or tort, from liability and quantum to causation and remoteness.

Recent cases:

  • Scarborough Water Park Hotel Limited v The Endeavour Partnership LLP and Others (HT-2026-000107): Representing a party in a breach of contract and negligence claim valued around £12 million against its former surveyor and solicitors arising out of a large hotel construction project (led by Andrew Barns-Graham).
  • Advised a litigation funder on a professional negligence claim against former accountants and auditors valued at £10 million, which successfully settled (as sole counsel).
  • Successfully obtained a favourable settlement for a company director in a professional negligence claim against solicitors in the context of a share purchase agreement and subordination deed (as sole counsel).
  • Successfully defended the UK’s largest independent forecourt operator in a professional negligence claim brought by a consumer (as sole counsel).

Nicholas has a broad property litigation practice, encompassing both the commercial and the residential context. He has represented institutional lenders, investors and developers, as well as individual consumers.

Recent cases:

  • Newcastle Building Society v Russo (CA-2026-001275): Representing a party in a permission to appeal application to the Court of Appeal in an appeal concerning the ability of a lender to take possession of a property following a default under a regulated mortgage contract and the interplay with the judicial control provisions at part IX of the Consumer Credit Act 1974 (as sole counsel).
  • Successfully represented a BVI property company in claims against a Turkish defendant for mesne profits and equitable compensation in breach of a constructive trust (as sole counsel).
  • Advised a BVI company on the recovery of millions of dollars against two UK corporate defendants through an equitable proprietary claim and a proprietary injunction.
  • Successfully applied for relief from forfeiture in relation to a substantial commercial lease (as sole counsel).
  • Porter and Another v Stokes [2023] UKPC 11: Supported Robert Strang with an appeal before the Judicial Committee of the Privy Council on the doctrine of rectification’s application to a deed of conveyance.

Nicholas has considerable experience of traditional chancery litigation. He has worked on complex trusts and estates matter for both private and corporate clients, domestic and international.

He has particular experience of acting in claims involving disputes over beneficial interests in land and relief available under the Trusts of Land and Appointment of Trustees Act 1996.

Recent cases:

  • The Serious Fraud Office and Others v Litigation Capital Limited and Others (CL-2017-000323): Representing office holders in multiple applications for proprietary and tracing relief arising out of the Directed Trial Judgment of Foxton J in [2021] EWHC 1272 (Comm) and involving hundreds of millions of dollars of assets worldwide (led by Tom Poole KC).
  • Advising the trustees in bankruptcy on the Non-Contentious Probate Rules 1987 in the context of an application for possession and sale of a property formally resided in by someone who died intestate (as sole counsel).
  • Brought a successful appeal before a Circuit Judge in a claim seeking a 50% beneficial interest in a property by virtue of common intention constructive trust or proprietary estoppel (as sole counsel).
  • Walker v Somboonsarn [2024] EWHC 919 (Ch): Supported Robert Strang with a two-week trial concerning remedies under the principle in Saunders v Vautier [1841] Cr & Ph 240 and the Trusts of Land and Appointment of Trustees Act 1996.

'Nick is an extremely impressive junior barrister. His legal analysis and written work are of the highest standard and he meets deadlines, is extremely pleasant to work with, and has extremely strong communication skills.’ - Commercial disputes

Legal 500 2026 - The English Bar Offshore

Nicholas is analytical and thorough. He has an ability to very quickly simplify complex issues and establish a clear roadmap for the client.' - Fraud: civil

Legal 500 2026

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