James Sidwell > Gowling WLG > London, England > Lawyer Profile

Gowling WLG
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Based in LG’s respected dispute resolution team, James is an experienced commercial litigator with a particular focus on banking and regulatory disputes. He specialises in domestic and cross-border disputes in the banking and financial services sectors together with risk management, contentious regulatory and investigatory work. James has been involved in a large number of high-profile matters before domestic and international courts, as well as arbitral bodies. He is also part of the team advising the Federal Republic of Brazil and the municipality of Sao Paulo in the high-profile ongoing case about claims brought against British Virgin Islands-registered companies allegedly owned by Paulo Maluf, the former mayor of Sao Paulo.


Slaughter and May 2001-07; Allens Arthur Robinson (Melbourne) 2007-09; Lawrence Graham LLP, solicitor 2010-11, partner 2011 to date; Wragge Lawrence Graham & Co, partner, 2014.


University of Bristol (1998 BA (Hons) First Class Ancient History); College of Law Chester (1999 CPE, 2000 LPC).

Lawyer Rankings

London > Dispute resolution > Commercial litigation: mid-market

(Leading individuals)

James SidwellGowling WLG

Gowling WLG‘s practice is widely regarded for its expertise in large, multi-jurisdictional cases, as well as in domestic High Court matters. Senior litigation partner in the London team, James Sidwell, specialises in domestic and cross -border disputes in the banking and financial services sectors, together with fraud and asset tracing, contentious trusts and regulatory enforcement work. Other notable litigators are Andrew Smith, who has been active in the automotive, food and drink, pharmaceuticals, telecoms and heavy industry sectors, and commercial disputes specialist Catherine Naylor. Legal director Verity Barker and principal associates Emily Till and Tom Cox are also active practitioners.

London > Corporate and commercial > Financial services: contentious

The ‘approachable and helpfulGowling WLG has experience across a range of contentious regulatory matters, including those relating to LIBOR and FX. The firm also provides expertise in FCA and PRA authorisation, supervision, enforcement and the regulatory aspects of Fintech. Practice head James Sidwell acts in corporate and financial services litigation, as well as fraud and asset tracing, contentious trusts and regulatory matters.

London > Private client > Contentious trusts and probate

The team at Gowling WLG is primarily based in London but draws on the expertise of the firm’s private client practitioners in Singapore, Dubai and Toronto. It handles all aspects of trusts litigation for its clients, many of whom are internationally based. Newly promoted partner Catherine Naylor leads the team and has a particular focus on complex multi-jurisdictional cases. Andrew Witts is well regarded for his work on international and offshore cases, while James Sidwell has extensive experience of contentious trusts matters.

London > Dispute resolution > Banking litigation: investment and retail

Gowling WLG acts for and against large banking institutions in a range of contentious matters, including regulatory, structured finance, restructuring and fraud disputes.  James Sidwell, who has a breadth of experience spanning banking litigation and contentious regulatory matters, leads the team. Recently promoted partner Catherine Naylor and principle associate Verity Barker are other names to note.

London > Crime, fraud and licensing > Fraud: civil

Gowling WLG specialises in state-related anti-fraud matters and international fraud cases, including disputes originating in Brazil, Africa, Europe and offshore jurisdictions. James Sidwell focuses on domestic and international fraud and asset tracing, acting primarily for financial services companies and high-net-worth individuals.