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Gresham Legal is the trading name of Gresham Legal Limited registered in England & Wales with company number: 09595858.

Registered office: Central Court, 25 Southampton Buildings, London WC2A 1AL. Authorised and regulated by the Solicitors Regulation Authority no: 622668.

Gresham Legal, boutique law firm of London

Marcus McConnell

Senior Associate

Marcus is a Senior Associate with a strong grounding in dispute resolution across a full range of contentious matters in the London and international market. He specialises in cross border commercial litigation and resolving complex legal issues in the following areas: (i) banking and financial services disputes; (ii) company law and partnership disputes; (iii) civil fraud / value recovery; and (iv) failed investment schemes.


Prior to joining Gresham Legal, Marcus spent a year advising a high net worth individual in the asset management sector in a private capacity, six years at Enyo Law and four years at Addleshaw Goddard. Marcus qualified as a solicitor in 2008.



Marcus’s representative experience includes:
































Acting for SME clients in claims against a well-known high street bank for losses incurred as a result of fraudulent activity within the Impaired Assets Division of the Bank


Advising a founding member of a successful investment advisory firm with c.$50bn AUM in relation to a
high-profile partnership dispute with the other founding members. A satellite part of this dispute was listed in The Lawyer’s Top 20 cases of 2016.


Advising the executive members of a leading frontier markets investment bank and brokerage house in relation to an LLP dispute concerning alleged misconduct, expulsion rights under the Members’ Agreement and the inter-relationship of competing rights and interests between members within a complex group structure.


Acting for a global engineering and construction company in relation to contentious elements of its banking affairs in light of a restructuring and defending the same company in relation to alleged defaults under performance bonds.


Acting for the subsidiary of a FTSE 100 company in relation to a £100m mis-selling claim brought by the liquidators of an unregulated collective investment scheme and related satellite disputes brought by IFAs.


Acting for a European Investment Bank in relation to a contested restructuring of a joint venture.


Defending a multi-billion dollar unlawful means conspiracy claim brought by Chevron Corporation in the Supreme Court of Gibraltar and advising on related private client elements. The underlying claims in Ecuador and the Southern District Court of New York had extensive links to the international litigation funding markets. The claims arose due to catastrophic levels of petrochemical contamination in Ecuador which resulted in an $18bn award being made against Chevron in that jurisdiction.


Acting for the former director of an AIM listed company defending a breach of directors’ duties claim involving fraudulent misrepresentation and allegations of insider dealing and other undisclosed interests. The claim was stated to be worth in excess of £30m. It was the first case in which predictive coding was expressly endorsed by the High Court in a standalone judgment.


Defending the same director in a Takeover Panel investigation into an alleged undisclosed Concert Party.


Acting for the former directors of Liverpool Football Club in relation to the disputed sale of the Club from Messrs. Hicks and Gillett to the Boston based Fenway Sports Group (owners of the Red Sox). This matter featured in The Lawyer’s Top 20 cases of 2013.


Acting as part of a large team on a multi-billion dollar expropriation claim in the CIS region on a highly confidential matter and investigating causes of action arising from bilateral investment treaties and international law.


Acting for over five years for hundreds of individual investors pursuing recovery for their involvement in allegedly fraudulent collective investment schemes, operated in breach of trust. The claims involved allegations of breach of fiduciary duty, professional negligence, fraudulent misrepresentation, breaches of contractual duty and various tortious defaults against a well-known firm of solicitors.  This case was listed in the Top 20 cases of 2011 by The Lawyer.



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