Mishcon de Reya LLP is ‘one of the strongest players in the market' with 'real strength in depth'. It specialises in complex, intra-family and high-value, domestic and international trust and succession disputes. These disputes often involve asset-tracing and recovery in offshore jurisdictions. The group has significant experience in advising individuals, family offices, protectors, executors, and trustees. Mark Keenan has been praised as ’the consummate grandmaster, who seems to know where every piece on the board is going to be six moves ahead’. Co-head Peter Steen is well-known on the onshore and offshore contentious trusts circuits, while Jessica Medus works on complex international disputes concerning trusts and succession. She acts for individuals, corporate trustees, family offices, and charities. Also recommended is Emilia Piskorz, who has particular expertise in advising corporate and individual trustees, beneficiaries, and those with an interest in an estate.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Mark Keenan has seen it all in contentious probate. He has exceptional legal knowledge and he is also an excellent tactician, very approachable and personable.' 

  • ‘The team is both deep and broad, and seems to be able to handle huge amounts of work, some of it international, without losing quality.'

  • ‘Mark Keenan is a calm, good strategic thinking with very good client management skills. Jessica Medus is thorough and methodical, and she seems like a very good manager of the associates under her.’

  • 'Emilia Piskorz is supremely talented, super bright, amazingly organised and a genuinely fun person to work with.'

  • ‘Mark Keenan is whip smart and brilliant with strategy. Jessica Medus is a fantastic new partner, fiercely bright and brilliant with clients.'

  • 'Mark Keenan and Peter Steen are superstars! They understand the difficulties of law but balance those against the real world issues that arise in their cases. Fantastic lawyers.'
  • ‘Mark Keenan defends his client's corner forcefully and is a feared opponent. Emilia Piskorz is a partner in the making who is on top of the detail but understands the big picture. Mariel Stringer Fehlow is a pleasure to deal with and throws herself into her cases.’
  • ‘Mark Keenan is fantastic; a litigator's litigator, he is calm, hugely knowledgeable and has excellent tactical nous. Emily Bueno is surely a star of the future. Super bright and fantastic with clients.’

Lawyers

Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
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

The lawyer(s) leading their teams.

Mark Keenan, Peter Steen

Other key lawyers

Jessica Medus, Emilia Piskorz, Mariel Stringer-Fehlow, Emily Bueno