Keidan Harrison > London, England > Firm Profile

Keidan Harrison

Dispute resolution > Commercial litigation: mid-market Tier 3

The 'dynamic, hardworking, innovative and client-focused' Keidan Harrison specialises in commercial dispute resolution and insolvency; and the 2020-launched boutique firm acts for international and UK businesses, and HNW individuals including directors, partners and shareholders, as well as insolvency practitioners, pension trustees and other fiduciaries. Marc Keidan (former co-founding partner of Cooke, Young & Keidan LLP) has a broad corporate and commercial disputes practice; Luke Harrison is 'determined to go the extra mile for clients'; and commercial litigation, international arbitration and civil fraud specialist Dipti Hunter is a 2021 partner hire from PwC LLP. Kit Smith was promoted to managing associate in April 2022.

Practice head(s):

Luke Harrison; Marc Keidan; Dipti Hunter

Other key lawyers:


‘The team at Keidan Harrison is dynamic, hardworking, innovative and client focused. It is punching above its weight in the market and getting great results.’

‘Marc Keidan – he’s been there and got the t-shirt – what he doesn’t know about commercial disputes is not worth knowing.’

‘Marc Keidan is a standout practitioner. He is always thinking multiple steps ahead in developing strategy for his cases and distils complex problems for his clients in a user-friendly manner. He is also a pioneer in the litigation space, constantly looking (and finding) where the next big area of work will develop.’

‘Marc Keidan and Luke Harrison are going places with this firm – unstuffy, fast-moving and nimble litigators.’

‘Marc Keidan and Luke Harrison are tenacious, but technically strong and also innovative.’

‘Luke Harrison brings creativity and enthusiasm in equal measures to his practice.’

‘Luke Harrison is an excellent lawyer – creative, driven and determined to go the extra mile for clients; and for a partner, he is extremely hands on.

Managing associate Kit Smith is one to watch. He is a mature, confident and really good lawyer – fantastic with clients, very smart and conscientious, and he recently received a well-deserved promotion.

Key clients

FRP Advisory

MSP Capital

Work highlights

  • Acting for MSP Capital in a substantial fraud claim against persons unknown, which concerns lending to fictitious borrowers.
  • Represented one of the 17 directors of a gold mining conglomerate, in relation to interim applications arising out of derivative proceedings.
  • Advised music and property mogul Charles Gordon in a fraud claim brought against him as a result of the liquidation of his property companies, which resulted in two adverse judgements against the applicant liquidator.

Dispute resolution > Banking litigation: investment and retail Tier 6

Keidan Harrison is ‘an up-and-coming boutique firm‘ founded in 2020 by ‘stand-out practitioner’ Marc Keidan, formerly of Cooke, Young & Keidan LLP whose expertise includes banking, hedge funds and private equity related disputes, and ex-Debenhams Ottaway  solicitor advocate Luke Tucker Harrison, who has notable expertise with regards to contentious insolvency and restructuring.

Practice head(s):

Marc Keidan; Luke Tucker Harrison


‘Everyone in the team has a great depth of hands-on litigation experience, they show high energy and dedication and combine this with excellent technical legal skills.’

‘Marc Keidan is a stand-out practitioner. He is always thinking multiple steps ahead in developing strategy for his cases and distills complex problems for his clients in a user-friendly manner. He is also a pioneer in the litigation space, constantly looking (and finding) where the next big area of work will develop.’

‘KH are an up-and-coming boutique firm. Marc Keidan has huge expertise in developing a small firm and he has broadened out beyond his traditional banking practice. Luke Harrison is covering the insolvency side of the market and they have recruited extremely well.’

‘There is real hunger from the firm when developing relationships across all levels. They recruit not just good lawyers but good business people and they fully understand the demands of each sector and the benefits of working as a team.’

‘Marc Keidan: he is a force of nature and great innovator. Never content just to stand still, he set up this firm just prior to Covid and lockdown. Yet, hugely energetic, enthusiastic and resourceful, he will undoubtedly make a success of this.’

‘Marc Keidan is a legend in the litigation arena and can more than hold his own against any solicitor in the City. Real class, with fantastic judgement.’

‘Luke Tucker Harrison is simply first class.’

Key clients

Charles Russell Gordon

MSP Capital Limite

Work highlights

  • Acting for the director of an asset-based lending firm following an adverse Court of Appeal judgment against the firm arising from an attempted recovery of a £50m debt due under a Tomlin Order. The work involved novel issues in respect of the litigation funding arrangements for the claim.
  • Acting for MSP Capital Ltd in respect of a substantial fraud claim against persons unknown arising from an identity fraud leading to it lending to fictitious borrowers. The claim involved early freezing orders and non-cause of action disclosure orders.

Keidan Harrison LLP is an established  London-based boutique disputes and insolvency law firm. The firm, having undergone a period of dynamic growth since being founded, undertakes a range of international and domestic cases, including substantial High Court litigation as well as international arbitration and alternative dispute resolution. The firm’s focus is on high value and complex matters, representing businesses and high-net-worth individuals based in the UK and abroad, as well as insolvency practitioners, trustees, directors and other office holders.

The firm represents a value-driven alternative to full-service law firms. The focus on disputes work means that the firm is able to remain free of conflicts of interests. Accordingly, the team can act tenaciously, and with confidence, against almost all financial institutions, multinationals and other listed corporates.

The firm: Keidan Harrison LLP was founded in May 2020 by Marc Keidan and Luke Harrison, both well-known disputes lawyers who had built and led teams at former highly successful disputes–focused practices. The firm swiftly achieved ranking as a Leading Firm for Commercial Litigation in The Legal 500. The founding partners have both been recognised for their work in the leading legal directories for many years, with Marc Keidan ranked as a Leading Individual amongst London lawyers for both banking litigation and commercial litigation in the latest editions of The Legal 500 and both Luke and Marc commended in a number of areas. Luke is a member of the prestigious TRI 250 (an index of those responsible for the progression of industry standards, and inspiring excellence across the restructuring and insolvency industry). He was also awarded an Emerging Leaders Award by the M&A Advisory magazine in 2017.  Dipti Hunter joined the partnership in mid-2021, have previously helped to lead the Commercial Disputes Team at PwC.

The firm’s partners acted on some of the most notable and high–profile financial cases arising out of the 2008 financial crisis and are  well-placed to assist clients to deal with financial disputes and a range other disputes arising in the wake of Covid-19.

The firm was founded with the aspiration of being “Undisputedly Different”, with a commitment to being innovative and bold in all we do. The approach is partner-led and highly personalised, ensuring clients’ needs are at the forefront every step of the way. Whatever the particular challenge faced, the team has the expertise, dynamism and commercial nous to achieve their clients’ objectives. The aim is to apply innovative and bespoke strategies to obtain the right result, whether that is victory in court or a negotiated outcome, often through the use of alternative dispute resolution processes such as mediation.

Types of work undertaken: In addition to a broad range of general commercial and contractual claims, Keidan Harrison undertakes work across a range of practice areas including financial sector disputes, civil fraud, insolvency & restructuring, international arbitration, shareholder/partnership issues, technology-related matters, insurance and professional negligence work.

The team’s work traverses a number of industry sectors, including most notably the financial and insolvency sectors, as well as diverse areas such as property development, hospitality, mining, technology and aviation. Much of the work has an international element and the partners’ recent experience includes work related to the EU, USA, India, Russia/CIS, Offshore and the Middle East.

Marc Keidanmkeidan@keidanharrison.com0208 142 7735
Luke Tucker Harrisonlharrison@keidanharrison.com0208 142 7734
Dipti Shona Dutta Hunterdhunter@keidanharrison.com0208 142 7742
Dipti Hunter photoMs Dipti HunterPartner Dipti has over 20 years of experience of commercial litigation and…
Marc Keidan photoMr Marc KeidanPartner
Luke Tucker Harrison photoMr Luke Tucker HarrisonPartner & Solicitor-Advocate
Commercial Litigation Association
Law Society
Commercial Fraud Lawyers Association
London Solicitors Litigation Association
Financial Services Lawyers Association
Association of Partnership Practitioners
The Board of the Commercial Litigation Association
The Law Society Civil Litigation Section
The Insolvency Lawyers Association
The London Fraud Forum