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Testimonials
Collated independently by Legal 500 research team.
‘Our solicitor Mathew Trinder has recently moved to Keystone law firm. Mathew has been outstanding in defending our case, he worked so hard to defend our point of view at every stage of the case at reasonable transparent fees.’
‘Availability and personal attention.’
‘Keystone's team, led by Tracy Sell-Peters, are hands down the best in UK healthcare regulatory law.’
‘The two standouts are Tracy Sell-Peters (the best healthcare regulatory solicitor in the market) and Joanne Staphnill (who is our go-to when we need a legal opinion).’
Key clients
- RiverStone Management Limited
- Circle Health Group
Work highlights
- Represented BMI Healthcare (now taken over by Circle Health Group) in a group action by patients who have undergone gynae treatment for prolapse with vaginal mesh.
- Represented BMI Healthcare (now taken over by Circle Health Group) in several claims by patients who have been treated with Transvaginal Tape.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Other key lawyers
Tracy Sell-Peters; Jason Kallis; Joanne Staphnill; Mathew Trinder