Firm Profile

Keidan Harrison LLP

UK Guide 2026

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UK

Keidan Harrison LLP

Keidan Harrison LLP

keidanharrison.com

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Provided by Keidan Harrison LLP
UK

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 rankings as a Leading Firm for Commercial Litigation and Banking Litigation inThe 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 ofThe Legal 500and bothLuke and Marccommendedin a number of areas.Luke is a member of the prestigious TRI 250 (an index ofthose responsible for the progression of industry standards, and inspiring excellence across therestructuring and insolvencyindustry).He was also awarded an Emerging Leaders Award by theM&A Advisorymagazine in 2017.

The firm’s partners acted on some of the most notable and high–profile financial cases arising out of the 2008 financial crisis and arewell-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 toa broad range of general commercialandcontractualclaims,Keidan Harrisonundertakeswork acrossa range of practice areasincluding financial sector disputes, civil fraud,insolvency& restructuring,international arbitration, shareholder/partnership issues,technology-related matters, insuranceand professional negligencework.

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

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Keidan Harrison LLP rankings

UK Guide 2026
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London (Firms)
Restructuring/Insolvency: Litigation
1 Ranked Lawyer
Lawyers
Luke Tucker Harrison
2
Luke Tucker Harrison
2
Band 2
UK-wide
Banking Litigation
1 Ranked Lawyer
Lawyers
Marc Keidan
4
Marc Keidan
4
Band 4
Banking Litigation: Mainly Claimant
1 Department
Department
Banking Litigation: Mainly Claimant
3
Banking Litigation: Mainly Claimant
3
Band 3
Dispute Resolution Specialist Firms
1 Department
Department
Dispute Resolution Specialist Firms
3
Dispute Resolution Specialist Firms
3
Band 3