Owen Hammond

Counsel

Owen practises in a range of areas, including commercial, corporate and white collar disputes, and regulatory investigations, with extensive experience in both litigation and international arbitration.

Owen conducts internal investigations in matters involving allegations of breach of competition law, financial misconduct, fraud, violations of antibribery laws, or breaches of economic sanctions.

He represents multinational clients in industries such as retail, finance, technology, insurance and reinsurance, automotive, food and beverage, telecoms, and energy.

Owen has worked in house for Amazon and separately for a Lloyd’s of London managing agent. He has previously worked in law firms in Dubai, Mexico City and the Cayman Islands.

Prior to joining Seladore Legal, Owen spent 8 years as an associate in the London office of a US firm.

Owen speaks English, Spanish and French.

  • Representing jailed Russian businessman Ziyavudin Magomedov in his $13.8 million UMC claim brought against 22 Defendants, including TPG, DP World and various Russian state interests, in the Commercial Court. It is the largest claim ever brought in the High Court of England and Wales outside the collective redress regime.
  • Acting for one of multiple defendants, in relation to the huge Commercial Court fraud claim brought by the Kuwait Public Institution for Social Security against Fahad Al-Rajaan (and others), comprising allegations spanning almost 30 years.
  • Representing Sainsbury’s in its Commercial Court claim against Visa in relation to the interchange fees paid by merchants under the Visa card scheme, and subsequently its successful appeal to the Court of Appeal.
  • Acting for a pharmaceutical manufacturer in five separate UK Competition and Markets Authority investigations into alleged anticompetitive behaviour, including during two separate dawn raids on the client’s offices.
  • Representing a Fortune 50 technology company in a multijurisdictional investigation into the alleged misstated financial statements produced by a company acquired by the client.
  • Assisting a major online retailer and technology company with a multitude of internal ethics investigations in Europe and Middle East.
  • Advising two UK-based financial services firms and their directors in UK Financial Conduct Authority investigations and enforcement proceedings arising from their dealings with European offshore-regulated entities.
  • Representing a Kazakh reinsurance company against a South Korean reinsurance company, during the disclosure phases of a dispute over insurance claims allegedly based on forged reinsurance contracts.
  • Representing a US food packaging manufacturer in an investigation of its European subsidiary’s possible breach of the US Treasury Department’s sanctions on trading with Iran.
  • Representing a global automotive company in the investigation of possible facilitation payments.

  • “Really superb and destined for partnership any time soon. He is all over everything, hard-working, very bright, and very easy to work with.”
    THE LEGAL 500 2025
  • Recommended lawyer, Corporate and Commercial: Legal 500, 2019.

News & Insights


The benefits of external investigations of supply chains

Seladore Legal today co-hosted a breakfast seminar with Matrix Chambers on the benefits of external investigations of supply chains.

Read More The benefits of external investigations of supply chains
05 November 2025
Seladore sanctions update – Rosneft, Lukoil and the shift of risk to Asia

In this latest Seladore briefing, Dan Hudson explores how recent sanctions developments are reshaping the risk landscape for Asian corporates, with a focus on emerging enforcement trends and their legal implications.

Read More Seladore sanctions update – Rosneft, Lukoil and the shift of risk to Asia
28 October 2025
Seladore Legal achieves new recognition in Chambers UK 2026

We are pleased to see Chambers UK 2026 recognise Seladore Legal and our partners across several key areas this year.

Read More Seladore Legal achieves new recognition in Chambers UK 2026
16 October 2025

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