Chris Brennan > Dentons > London, England > Lawyer Profile


Work Department

Regulatory and Investigations


Chris is a partner in Dentons’ London office. He is a member of the Disputes division. Chris has more than 20 years’ experience in helping clients to solve regulatory problems and manage difficult interactions with regulators and law enforcement.

His practice is focused on financial markets where he acts for both institutions and individuals. He is experienced in all aspects of regulatory enforcement and interventions in both retail and wholesale markets. Chris also regularly advises listed entities on issues related to inside information and market disclosures.

Chris advises clients on the management of both internal and external investigations of alleged misconduct. He also advises on customer and counterparty disputes where there is a regulatory angle to the dispute. Chris also uses his experience as a former criminal barrister to assist clients facing criminal investigation or prosecution.


Called to the Bar, England and Wales, 1996

Solicitor, Senior Courts of England and Wales, 2010

Lawyer Rankings

London > Risk advisory > Regulatory investigations and corporate crime (advice to corporates)

Dentons uses its international reach to act for clients on a global basis, with team members offering multi-jurisdictional expertise in business crime, regulatory law and investigations. The practice was bolstered by the November 2021 arrival of co-head Louisa Caswell from Addleshaw Goddard, an international disputes specialist with a strong record in SFO investigations, and the January 2022 arrival of Chris Brennan, who has deep experience in contentious financial services work. Additionally, counsel Dan Lund joined from Akin Gump LLP in December 2021, bringing significant international sanctions, trade, and AML experience. The team is co-led by Katharine Harle, who advises on financial markets and regulatory investigations, including acting for brokers in FCA proceedings.

London > Risk advisory > Corporate governance

Dentons’ corporate governance team is ‘always helpful and supportive in providing quick advice on corporate governance matters’. With the ability to leverage its global platform, the firm is well placed to advise large international clients on cross-border governance matters and has particular expertise in data privacy, employment, tax, finance and regulatory issues. The team is jointly led by Richard Barham and Katharine Harle; Barham handles governance-related M&A, joint venture and restructuring issues in the transportation, banking, manufacturing and sports sectors; and Harle is recommended for disputes, regulatory and investigations work. In December 2021, former practice co-head Martin Mankabady left for Eversheds Sutherland (International) LLP, while counsel Dan Lund joined from Akin Gump LLP. Daren Allen left for Shoosmiths LLP in June 2021 and Chris Brennan joined from White & Case LLP in January 2022.

London > Corporate and commercial > Financial services: contentious

The practice at Dentons was recently bolstered by the January 2022 arrival of Chris Brennan, former practice head of White & Case LLP, who arrives with significant exposure to misconduct affairs, particularly in the retail and wholesale markets. Katharine Harle leads the practice and is especially well-versed in s166 reviews, internal investigations, conduct and culture issues, and governance and remediation affairs. At the more junior end, counsel Zeena Saleh, a specialist in cross-border matters, is hailed as a ‘star asset for any team‘.