Mishcon de Reya LLP is highly skilled in handling complex, high-value contentious trusts and succession matters. Department co-lead Mark Keenan specialises in complex domestic and international trust and succession disputes for a range of ultra-high-net-worth clients, and co-head Peter Steen is esteemed in both onshore and offshore contentious trust circles and regularly handles high-value, complex cross-border trust disputes. Jessica Medus oversees on cross-border matters involving Guernsey, Switzerland, France, Kazakhstan, the US, and Bermuda, Emilia Piskorz has been active in multi-jurisdictional trusts and succession disputes, including onshore and offshore financial centres worldwide, and Victoria Sara-Kennedy is knowledgeable in matters related to contested wills, Inheritance Act claims, the Court of Protection, and charity disputes. James Smith has been key in litigation related to trusts, succession, and mental capacity. Leo Bosco joined the team from Britton and Time in August 2025.
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Practice head
Mark Keenan; Peter Steen
Other key lawyers
Jessica Medus; Emilia Piskorz; Victoria Sara-Kennedy; James Smith; Leo Bosco