Thomson Reuters names eight Keystone Law partners in its Stand-out Lawyers Guide 2026
Andrea James, Andrew Darwin & Anna McKibbin
“Emma’s advice was always top quality in information, tactics and action. I thoroughly recommend her.”
- Finance and Children Client 2020
“Emma was always considered, thorough, fair and compassionate. Her conciliatory and professional approach suited my situation well.”
- Divorce and Finance Client 2021
“We could not have resolved matters without Emma. She was the voice of reason and enabled us to sort out our finances without the need to litigate through court.”
- Mediation Clients 2021
“Emma was excellent – she always listened to and worked with what was important to me and I felt safe in her hands.”
- Divorce and Finance Client 2022
“Emma gets straight to the issues and sorts them out constructively and pragmatically with minimum stress and cost.”
- Divorce and Finance Client 2023
“Emma was a wonderful mediator. She knew what was important to us and guided us through to a resolution which we both considered to be fair for us and our son.”
- Mediation Clients 2023
“Emma was my rock throughout my divorce. She was calm and reassuring and enabled me to achieve a fair outcome in an amicable and pragmatic way.”
- Collaborative Client 2023
“We had a ‘good’ divorce with Emma who helped us mediate through our issues in a very positive way with importance always being given to our child.”
- Mediation Clients 2023
Emma is a specialist family and matrimonial lawyer with over 30 years’ experience advising on all family matters, including complex and financial disputes, children matters and prenuptial agreements. She has particular expertise in cases with an international element and/or substantial assets or acting for clients who live abroad or wish to relocate to another jurisdiction.
Emma’s clients include business professionals, those in the public eye, members of British and foreign aristocracy and their spouses/partners. She also has a wide-ranging network of financial advisors, pension and tax experts, forensic accountants and lawyers in foreign jurisdictions with whom she frequently works.
Emma is a Resolution accredited mediator, a mediation consultant (PPC), a trained collaborative lawyer and past Chair of Resolution’s Alternative Dispute Resolution Committee.
Emma advises on all aspects of financial disputes arising from divorce and separation, including complex asset division, enforcement of orders, interim remedies, post-nuptial agreements, and private negotiations or arbitration.
Experience
Emma advises on all aspects of children matters, including disputes over arrangements, relocation abroad, and international child abduction, helping families resolve complex issues while prioritising the best interests of the child.
Experience
Emma advises on prenuptial, post-nuptial, and cohabitation agreements, helping clients protect assets, plan for the future, and resolve potential disputes while safeguarding financial security in relationships and separation.
Experience
Emma advises unmarried couples on cohabitation agreements and property disputes, including complex civil litigation under TLATA 1996, helping clients protect their interests and resolve disputes efficiently and effectively.
Experience
Emma advises clients using mediation and collaborative law, guiding them through constructive, non-adversarial processes to resolve family and financial disputes efficiently while preserving relationships and achieving mutually acceptable outcomes.
Experience
Emma advises UHNW and HNW clients on all family matters, including complex and financial disputes, children matters, and prenuptial agreements.
Experience
Please note: The experience list above may include examples of work completed prior to joining Keystone Law.
Recognised in The Legal 500 Hall of Fame for Family: Mediation 2026
Recognised in The Legal 500 for Family: Divorce and financial remedy 2026
Recognised by Chambers UK for High Net Worth for Family/Matrimonial Finance: High Net Worth and Family/Matrimonial: Mediators 2025–2026
Recommended Lawyer in The Spear’s Family Law Index 2024
Shortlisted as Family Lawyer of the Year by Spears 2025
Recognised by Chambers UK for Family/Matrimonial Finance: High Net Worth 2025
Recommended Lawyer in The Spear’s 500 Family Law Index 2025
Recognised by Best Lawyers 2025 for Family
Acknowledged by Chambers 2025 as a highly experienced and respected specialist in family law and attracts praises for her mediation practic
Recognised by Chambers High Net Worth 2024
Recognised by Chambers 2024
Recommended by The Leg0al 500 2024 Private Client: Family
Recognised by Chambers UK & HNW guides for family law including ADR and Finances 2003–2024
Fellow of the International Academy of Family Lawyers
Member of the International Academy of Collaborative Professionals
Member of the Dispute Resolution Committee of the International
Academy of Family Lawyers
Contributing author to the Resolution Handbook (chapter on Alternative Dispute Resolution, first published 2007) and the Resolution Family Disputes Handbook (published 2020)
“Emma Harte is an absolute class act. She is able to navigate complex mediations seamlessly. ”
Chambers High Net Worth 2025
“Emma Harte has such a wealth of experience. She conveys confidence and calm. ”
Chambers High Net Worth 2025
“Emma is not only a tenacious litigator but also one of the best mediators in London.”
Chambers UK 2025
“She has a quiet confidence and instils trust in clients and referrer alike.”
Chambers UK 2025
“Emma is very sensible, pragmatic and great with clients.”
Chambers UK 2025
“She knows everyone and is liked and respected by them.”
Chambers UK 2025
“Emma is a first-class lawyer who is committed to avoiding costly and destructive litigation unless absolutely necessary.”
Chambers UK 2025
“Emma is a first-class lawyer who is committed to avoiding costly and destructive litigation unless absolutely necessary. She knows everyone and is liked and respected by them.”
Chambers High Net Worth 2024
“Emma is very sensible, pragmatic and great with clients.”
Chambers High Net Worth 2024
“Emma is not only a tenacious litigator but also one of the best mediators in London. She has a quiet confidence and instills trust in clients and referrer alike.”
Chambers High Net Worth 2024
“Emma is one of the top London mediators. She is particularly calming and grounded, and therefore the people that go to her and work with her are struck by how calm and authoritative she is. She is such a safe pair of hands in mediation as she is able to do whatever it takes and thinks outside of the box.”
Chambers 2024
“Gets the best out of people, and her kindness and empathy are appreciated by clients and colleagues.”
The Legal 500 2024
“A very sensible and knowledgeable advocate.”
Chambers 2019
“She has a really good reputation for her mediation and collaborative approach. She’s a very sensible and knowledgeable advocate. She’s very bright, a safe pair of hands and she provides a very good service to her clients.”
Chambers Global HNW 2018
“Highly intelligent.”
The Legal 500 2018
“Really down to earth, so diligent and so hard-working. Judge good at resolving cases.”
Chambers HNW 2017
“Is very good, extremely nice and has a kind and gentle manner about her.”
Chambers HNW 2016
““A very good mediator who is very down-to-earth, sensible and thoughtful.”
Chambers 2016
Emma qualified as a solicitor in 1993. Prior to joining Keystone Law in 2023, she worked at the following firms: