Joanna Grandfield

Partner

What can I do for you

Joanna is a leading financial and children lawyer and mediator specialising in complex financial and children cases for high net worth individuals, often with an international element. A trained barrister, she is at home guiding clients through cases heard in the higher courts as she is in resolving cases through her mediation practice.

Joanna’s caseload includes advising individuals, trustees and family offices on wealth protection issues including pre marital and cohabitation agreements.

Supporting your ambitions

As a partner in a top family law firm, legal expertise is a given. Joanna takes the time not only to get to grips with the legal complexities but also to understand what clients really want and how they want to get there, working together to formulate a strategy and create a team to achieve it.

Leading counsel commented, Joanna is: "Really bright and talented. She is really competent and not at all fazed by the numbers. She is very resourceful in terms of bringing together disciplines to manage cases at that level, she can bring together all of that".

What do others say

“The best family lawyer practising in London today. She gets to the nub of any complex case quickly and expertly” Legal 500

"A tremendous asset...Calm, assured, diligent and clearly very knowledgeable, Joanna performed superbly throughout the proceedings." A client

"Commercially astute and extremely personable. She knows what she is doing at every stage of the process and is fearless in a battle". Chambers UK

"Brilliant and has a steely determination to do the best for her clients". Legal 500

 

 

What else should you know

Joanna takes a particular interest in mental health and has acted as trustee for a start up charity looking to provide services to children and young people. She has also been a school governor and academy director.

She is also a mother of two and a lamentable cook.

What our clients say about us

  • Joanna Grandfield is the best family solicitor practising in London today. She gets to the nub of any complex case quickly and expertly.
    Legal 500
  • Joanna Grandfield is utterly brilliant. She is clever and will do everything she can to get the best for her clients.
    Legal 500
  • Joanna Grandfield is absolutely fearless and happy to fight, but also quite pragmatic, and if the other side aren't negotiating properly she doesn't hesitate to take the matter to court.
    Chambers UK Guide 2026
  • Joanna Grandfield is really practical and she's not afraid of tackling the difficult cases.
    Chambers UK Guide 2026
  • I think she's really bright, she's really articulate and she really fights for her clients. She really makes an effort on behalf of her clients. Her aim is to do the very best by her client.
    Chambers UK Guide 2026

As many clients will testify, too many lawyers deliver the required legal expertise but fail to deliver an outstanding client experience. Which is why we always listen to our clients and constantly ask ourselves what we can do to deliver the results you expect.

You expect a close and attentive working relationship, with a lawyer that is responsive and available when you need them. You also want clear, pragmatic and commercial advice tailored to your needs, and transparency and certainty on costs. We completely agree. That’s why every day, through our culture and approach we are committed to delivering the exceptional results and service our clients expect of us.

Related sectors and services

  • Family and children law
  • International family law
  • Wealth protection
  • Divorce and separation
  • Family mediation
  • Family solicitors in London
  • Unmarried couples
  • Children
  • Private wealth