
Stewarts Law LLP focuses on complex, high-value disputes. The team has led on high-profile business interruption litigation relating to COVID-19 as well as on significant financial lines mandates, including D&O and cyber matters. Aaron Le Marquer, head of the practice, advises policyholders on all lines of commercial insurance and maintains a high-profile Covid-19 BI practice. James Breese, known for being an ‘excellent communicator and a tremendous eye for detail’, has acted on several W&I, cyber, and business interruption matters. Acting primarily for policyholders on matters involving insurance defence and coverage instructions is Chloe Derrick, who ’takes a logical and sensible approach to contentious matters’.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- 'The team are, without exception, a pleasure to work with.'
- 'The team at Stewarts, led by Aaron are excellent with clients and very good at explaining the merits or otherwise of matters and the likely success if a matter is pursued to litigation.'
Key clients
- London International Exhibition Centre plc
- Liberty Retail and Arena Racing
Work highlights
Acting for the London International Exhibition Centre in its Covid-19 BI test case claim on causation in ‘at the premises’ disease clauses.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Aaron Le Marquer
Other key lawyers
James Breese; Chloe Derrick


