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London

Founded in 2012, Signature Litigation has grown into one of London’s pre-eminent specialist dispute resolution practices. From the outset, we set out to do things differently: a conflict-free, disputes-only platform designed to give clients the undivided focus and strategic agility that complex, high-stakes matters demand.

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Gibraltar

Established in 2017, Signature Litigation's Gibraltar office was founded to address growing demand for specialist expertise in commercial litigation and private wealth disputes on the Rock.

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Paris

Signature Litigation AARPI houses one of France’s most enviable product liability practices, with the team also handling commercial and corporate litigation, insurance and reinsurance, toxic tort and ESG, civil fraud and asset tracing, international arbitration, administrative and public law.

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Frankfurt

Frankfurt has emerged as one of Europe's foremost financial and commercial centres and, increasingly, as a bridge between European and Asian markets. With that growth comes an increasing demand for sophisticated dispute resolution. Signature Litigation established its Frankfurt office to meet this need, bringing our conflict-free, disputes-only platform to the German market.

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Oliver Steeple

Senior Associate

The quality of their service has always been exceptional. The team excels at developing and coordinating litigation strategies that are not only thorough but also realistic and perfectly aligned with clients’ expectations. 

– The Legal 500 EMEA 2026

The team is excellent, always ready to meet our needs and anticipate risks and expectations.

– The Legal 500 EMEA 2026
Very good advice, to the point and with attention to detail. 
– The Legal 500 EMEA 2026

Ollie is a Senior Associate at Signature Litigation based in London. He is a commercial litigator acting for both claimants and defendants in high value, complex disputes resolved through litigation and international arbitration.

He has acted for clients in litigation before the English courts, the courts of other jurisdictions, and in arbitral proceedings under several major institutional rules. He acts for international companies, shareholders, liquidators, and individuals who conduct business across a range of sectors including natural resources and energy, media and telecommunications, finance, and professional services.

Ollie has a particular focus on disputes arising from major corporate collapses, insolvency, pre-insolvency financial distress, and corporate fraud, often taking a leading role in the associated legal and factual investigations. He handles claims against auditors for professional negligence, banks for breach of mandate/Quincecare duty, and (former) directors for breach of their directors’ duties. Ollie also has experience of securing injunctive relief for clients.

Ollie has significant cross-border experience litigating in different jurisdictions and working closely with foreign co-counsel on multi-jurisdictional matters.

Prior to joining Signature Litigation, Ollie was an Associate at Mishcon de Reya LLP and trained at Winston & Strawn London LLP. He was admitted as a Solicitor in England and Wales in 2019. During his time at Mishcon de Reya Ollie was seconded to Karas So LLP, a Hong Kong litigation boutique, as a Registered Foreign Lawyer.

Commercial Litigation

  • Representing Société Générale, a global investment bank, in the English Court defending declaratory proceedings brought by Clifford Chance following Société Générale’s EUR 500m professional negligence claim for alleged mishandling of a dispute with Turkish jewellers, Goldas Kuyumculuk Sanayi Ithalat Ihracat AS, and other companies in the same group.
  • Representing the liquidators of the China Evergrande Group in a USD 7.7 bn claim against its former Chairman, former CEO, and others involving breach of fiduciary duty, conspiracy, and proprietary proceedings with a USD 7.7 bn freezing injunction in Hong Kong and USD 350m freezing injunction and passport seizure order in England.
  • Representing the liquidators of companies involved in a high-profile scandal concerning a sophisticated investment fraud scheme in a claim for GBP c.200m against two major international banks for breach of mandate and breach of the Quincecare duty.
  • Representing a Middle Eastern HNW individual in a USD 120m claim against two Chinese conglomerates in relation to misappropriation of property and company shares. The case involves allegations of sanction busting and breaches of international money laundering regulation.
  • Representing a Middle Eastern HNW individual in a multi-million USD claim against a Middle Eastern oil & gas engineering and construction company concerning unlawful misappropriation of assets.
  • Representing a Middle Eastern HNW individual in multi-million GBP proceedings brought by a Middle Eastern oil & gas engineering and construction company involving conspiracy claims and issues concerning the beneficial ownership of assets.
  • Representing telecommunications company Telefonica UK Limited (O2) in a collusion claim brought by Phones 4u Limited (In Administration) against EE, Vodafone, Telefonica, and their parent companies (at the relevant time) in the English High Court (Competition List) (Phones 4u Limited v EE Limited & Ors [2023] EWHC 2826 (Ch)).
  • Representing the liquidators of a formerly SGX-listed water treatment company in Singapore court proceedings against the company’s former CEO and auditors.
  • Representing the liquidators of a formerly HKEX-listed food and beverage company in Hong Kong court proceedings against the company’s former auditors.
  • Representing Watchstone Group PLC in an auditors’ negligence action against KPMG LLP in the English High Court (Commercial Division), which was successfully compromised.
  • Representing UK subsidiaries of Bonnier AB, a privately owned Swedish media group, in an auditors’ negligence action against haysmacintyre LLP, which was successfully compromised.
  • Representing a group of investors in claims brought under s.90 and s.90A FSMA in the English High Court (Commercial Division, Financial List) against Reckitt Benckiser Group PLC and Indivior PLC. The claims were brought by way of representative proceedings pursuant to CPR 19.8.

International Arbitration

  • Representing an oil exploration company in enforcing a USD 50m LCIA arbitration award in England against a Middle Eastern company and in bringing proceedings against the parent company for fraud. The underlying dispute concerned misappropriation of oil drilling equipment.
  • Representing a NASDAQ Helsinki-listed Finnish O&M provider in an ICC arbitration relating to a power plant in Pakistan, which was successfully compromised.
  • Representing a German online food delivery company in a DIFC arbitration arising from a shareholder dispute.
  • Representing a publicly-listed junior mining company in an ICSID arbitration under the US-Panama Bilateral Investment Treaty relating to a mineral concession investment in Panama.
  • Representing a NASDAQ-listed healthcare company in an ICDR arbitration against Hong Kong-based individuals regarding civil fraud and breach of restrictive employment covenants.

Compliance and Regulatory Investigations

  • Advising listed multi-national companies on their compliance frameworks.
  • Advising financial institutions and individuals involved in criminal and civil investigations led by regulatory bodies including the SFO, FCA, DOJ, and CFTC.

Article: Red card for buyer in US$715m M&A sports media disputeThe Law Society Gazette – 15 May 2026

Article: Representations and the limits of deceit in M&A transactionsThomson Reuters Practical Law – 6 May 2026

Article: Third‑party disclosure: a practical guide for pharmaceutical compliance and risk teamsGlobal Relay Intelligence & Practice – 23 December 2025

Article: Norwich Pharmacal and Bankers Trust: necessity, proportionality and pre-action boundariesThomson Reuters Regulatory Intelligence – 17 December 2025

Article: Successfully deploying Statutory Office-Holder Discovery PowersInsolvency Insider – 12 December 2025

Article: Claim to set aside for fraud continues – The Law Society Gazette – 27 June 2025

Article: Mare Nova: a rare s.68 successNew Law Journal – 13 June 2025