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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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Pete Karamountzos

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

Pete Karamountzos is an Associate at Signature Litigation’s London office with experience in commercial litigation and international arbitration.

Pete works on disputes spanning across a wide range of sectors including agriculture, financial services, healthcare, professional services, infrastructure and construction. His experience includes advising regulators and other government bodies in both contentious and non-contentious matters, predominantly concerning breaches of financial services legislation.

Pete has also undertaken pro bono work through external pro bono schemes, including assisting with tenancy-related issues for individuals at risk of homelessness.

Prior to joining Signature Litigation, Pete was a lawyer at top-tier Australian law firm Clayton Utz and was admitted to practice in the High Court of Australia and the Supreme Court of Victoria in 2022.

Commercial Litigation

  • Representing an ASX-listed manufacturer of agricultural products in proceedings commenced in the Supreme Court of the Northern Territory involving a contractual dispute and allegations of multiple breaches of the Australian Consumer Law.
  • Representing a high-net-worth individual in contesting a bankruptcy petition presented in the English High Court by an Emirati bank. The bankruptcy petition is founded on a judgment debt originating from litigation in Dubai.
  • Representing a former trader in a claim against his former employer, an international bank, concerning his wrongful prosecution for alleged LIBOR market manipulation. The client was fully acquitted of all criminal charges.
  • Representing a client facing imminent eviction and termination of a large commercial licence, obtaining an urgent injunction and securing favourable terms at mediation, including withdrawal of a substantial damages claim and renewed licences on improved terms.
  • Representing an Italian manufacturer in multi-million-pound product liability claims brought by various claimants and a co-defendant arising from fires, involving complex multi-party litigation and contribution proceedings.
  • Representing an individual in a reference to the Upper Tribunal challenging a Decision Notice issued by the Financial Conduct Authority prohibiting him from preforming any senior management function. The matter involves alleged misconduct in relation to a discretionary fund management business carried out through a brokerage on behalf of retail customers, with allegations that markdowns on holdings were illegitimately applied and not properly notified to customers.
  • Representing a high-net-worth individual in a cross-border dispute against a Swiss bank arising from an investment allegedly recommended in breach of UK financial services regulations, including claims under FSMA for breach of the General Prohibition and Financial Promotion Restriction.
  • Representing the Australian Securities and Investments Commission (ASIC) in various civil penalty proceedings brought for breaches relating to the provision of financial services including margin FX products, crypto-currencies and scam-prevention in a retail banking context.
  • Representing an ASX-listed financial institution in Federal Court civil penalty proceedings brought by ASIC alleging various contraventions of the responsible lending provisions in the National Consumer Credit Protection Act.
  • Representing a large international alternative asset manager regarding the ability to challenge a regulator’s potential decision to take administrative action against it.

International Arbitration

  • Advising a large international contractor in Singapore seated ICC arbitration proceedings regarding a major infrastructure project.
  • Advising an English mining equipment manufacturer in a Geneva‑seated Swiss arbitration brought by a Russian debt assignee seeking to enforce an alleged liability against the client.