Mr Marc Keidan > Keidan Harrison > London, England > Lawyer Profile

Keidan Harrison

Work Department

Commercial and Financial Disputes




Qualified in 1999 after training with Simmons & Simmons; associate at Theodore Goddard/Addleshaw Goddard (1999-2006), senior associate at Masseys LLP (2006–08), partner at Cooke, Young & Keidan LLP (2009 to 2020), partner at Keidan Harrison LLP (2020).




London Solicitors Litigation Association
Commercial Litigation Association
Financial Services Lawyers Association
Association of Partnership Practitioners
Law Society
Commercial Fraud Lawyers Association


Marc obtained a First Class Honours degree from Manchester University and achieved a distinction in the Legal Practice Course at the College of Law, London. He trained with the international law firm Simmons & Simmons, joining the dispute resolution group of City of London firm Theodore Goddard upon his qualification as a solicitor in 1999.

Lawyer Rankings

London > Dispute resolution > Commercial litigation: mid-market

(Leading individuals)

Marc KeidanKeidan Harrison

Recent growth areas for specialist dispute resolution and insolvency boutique, Keidan Harrison, include misappropriation, shareholder, beach of duty, and enforcement claims; and being conflict free, the firm regularly acts against major international corporations. ‘Everything that clients want in a litigation partner‘, Luke Harrison has particular expertise in shareholder, partnership and LLP disputes; and Marc Keidan, who ‘always considers every angle‘, has a varied corporate and commercial litigation practice that is increasingly focused on corporate, shareholder and director disputes. Also highly regarded, Dipti Hunter has longstanding experience in commercial litigation, international arbitration and civil fraud.

London > Dispute resolution > Banking litigation: investment and retail

(Leading individuals)

Marc KeidanKeidan Harrison

Up-and-coming boutique firmKeidan Harrison acts for domestic and international businesses, private equity funds, and high-net-worth individuals on a range of banking litigation-related matters. Disputes related to loan repayments, crypto, and enforcement actions brought by banks are areas of activity for the team. The ‘enormously driven, hugely innovative, charismatic and energeticMarc Keidan leads the team alongside Luke Tucker Harrison.