Firm Profile

Quillon Law LLP

UK Guide 2025

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UK

Quillon Law LLP

Quillon Law LLP

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Provided by Quillon Law LLP
UK

About Quillon Law 

Quillon Law is a specialist commercial disputes practice.The firm acts for corporate and individual clients in the domestic and international commercial and financial markets, including business owners and business investors.Quillon Law represents banks and other financial institutions, state-owned entities and high-net-worth individuals. The firm also works with insolvency practitioners looking to trace and recover assets worldwide.

Quillon Law’s clients come to them to resolve complex, business-critical, and often sensitive disputes swiftly, commercially and effectively, because the partners are practised at dealing with such disputes with the judgement, experience and understanding of clients’ needs from many years in the field.

The Partnership 

Each of Quillon Law’s partners has made their name with and built recognised City of London legal practices. As their career histories show, they are leaders in their areas of expertise, from multi-faceted international commercial fraud disputes to cases covering every aspect of the financial services industry. Each has in common a history of creating high quality, motivated teams.

Commercial litigation: Quillon Law’s key practice areas encompass all forms of commercial litigation, including civil fraud and finance disputes, as well as white collar and insolvency. The firm’s partners have litigated cases before all the senior courts, including the High Court. This includes the Business and Property Courts, such as the Chancery Division, Commercial Court (including the Financial List), the Court of Appeal, the UK Supreme Court, the European Court of Justice, and the Privy Council.

Much of the work undertaken by Quillon Law has an international aspect, including disputes arising in the Middle East, South America, the Far East, Africa and Europe.

Insolvency litigation: Quillon Law can assist with most aspects of corporate and personal insolvency, including rescue and recovery work, voluntary arrangements, directors’ duties and liabilities and bankruptcy.One of the partners acted in several matters in the Insolvency and Companies List arising from the high-profile collapse of London Capital & Finance plc. These include Re London Oil & Gas [2019] EWHC 3675, which concerned a protocol for the handling of privileged information by administrators.

The team also has expertise in deceased insolvent estates, with one of the partners having acted in relation to several complex issues and claims following the death of the Russian oligarch Boris Berezovsky.

The team is highly experienced in proceedings seeking the recovery of assets. That includes proceedings advising or contesting findings by court-appointed receivers and administrators and liquidators, for example about proprietary claims made to substantial assets.

Banking and financial markets disputes: Quillon Law’s practice encompasses disputes and issues involving all aspects of the financial services industry.

The partners have lengthy track records of acting for and against retail and investment banks and other financial institutions, their counterparties and investors in financial products, often in high profile cases with an international element raising issues of importance to the industry as a whole.

As a result, the team has a deep knowledge of the industry and is especially well-placed to provide advice and solutions in respect of the types of finance-related disputes that all investors, financial institutions, their customers and counterparties face.

White-collar crime and regulatory investigations: The team at Quillon Law is experienced in acting in complex, high profile national and international white collar crime cases, which often have serious reputational implications for clients.

The team has worked with significant listed companies on substantial investigations conducted by prosecuting authorities.They also act for individuals subject to investigation and prosecution by agencies, including the Serious Fraud Office and the National Crime Agency.The team recently advised an individual suspect in connection with a long-running and high profile SFO investigation into the collapse of a fund.

The team regularly advises on all aspects of money laundering and sanctions compliance issues and bribery concerns in companies in all sectors, usually with an international perspective. Their capability in this area reinforces their expertise in civil fraud, financial and banking matters.

Commercial fraud and asset tracing: The team is well known for its work across multiple jurisdictions in complex fraud cases and investigations, especially in connection with high value claims. Quillon Law has been instructed in many leading civil fraud cases, both domestic and international, for both claimants and defendants.

The team has substantial expertise in dealing with large scale, multi-jurisdictional and sensitive fraud disputes and investigations, including the use of freezing and disclosure orders to prevent dissipation of assets.

The partners have acted in some of the most high-profile cases in the Commercial Court and Chancery Division in recent years. As their track records show, these include some of the biggest and most noteworthy cases in the financial markets to emerge from the credit crisis, some involving bribery and fraud.

Contentious trusts, estates and private wealth disputes: The team at Quillon Law acts for successful individuals, families, and businesses, working alongside international wealth planning and private client lawyers in Europe, Russia, and Asia as their specialist London counsel.

The team’s focus is on clients with high-net-worth and ultra-high-net-worth, often involving complex international trust structures and the businesses that support them. Quillon Law acts for both individuals and private client institutions in this area, including private banks and investment banking colleagues, who advise entrepreneurial clients.

The team has expertise in contentious probate and trust litigation, including claims for proprietary estoppel together with challenging the use of trusts to help preserve family wealth, and proceedings to remove executors, construction summonses, rectification proceedings, professional negligence and breach of trust claims arising from wills, trusts and inheritance tax.

Ranked Offices

Provided by Quillon Law LLP

UK - Head office
  • London
    Holborn Gate, 330 High Holborn , London, Greater London, UK, WC1V 7QH
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Quillon Law LLP rankings

UK Guide 2025
Filter by
Band
London (Firms)
Commercial and Corporate Litigation
1 Ranked Lawyer
Lawyers
Mark Hastings
5
Mark Hastings
5
Band 5
UK-wide
Banking Litigation
1 Ranked Lawyer
Lawyers
Michael Barnett
2
Michael Barnett
2
Band 2
Dispute Resolution Specialist Firms
1 Department
Department
Dispute Resolution Specialist Firms
Dispute Resolution Specialist Firms
Spotlight
Fraud: Civil
1 Department
2 Ranked Lawyers
Department
Fraud: Civil
5
Fraud: Civil
5
Band 5
Lawyers
Ian Hargreaves
4
Ian Hargreaves
4
Band 4
Mark Hastings
4
Mark Hastings
4
Band 4