
Keidan Harrison is a specialist disputes firm active for both domestic and international clients, praised as being 'smart, strategic, and completely focused on getting the best result'. Marc Keidan, who co-founded the firm in 2020, leads the department, and contributes broad sector expertise in areas including technology, real estate, and finance. Luke Harrison covers fraud, negligence, and mis-selling claims, with significant experience acting against banks.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Keidan Harrison provide a stand-out boutique service across a range of commercial areas. They make an excellent team, which is led by Marc and Luke. They work hard to build relationships and work effectively with the counsel team.’
- ‘Ben Rutledge is a brilliant litigator – sharp, thoughtful, and unflappable. I always know clients are in safe hands with him. He brings clarity and calm to the most complex cases.’
Key clients
- MSP Capital Limited Credit Suisse AT1 Bondholders
Work highlights
Representing two Kuwaiti HNW individuals in relation to £50m enforcement proceedings in the English Commercial Court.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Marc Keidan
Other key lawyers
Luke Tucker Harrison; Ben Rutledge; Srishti Jain; Kit Smith
