Department profile
Keystone Law

Family/Matrimonial: Mediators

High Net Worth Guide 2025 : UK-wide


Keystone Law

Rankings

About

Provided by Keystone Law

Keystone Law’s Family team advises high-net-worth and ultra-high-net-worth individuals on complex, high-value family law matters. With a skilled and sizeable group of specialists, they provide a fully rounded service tailored to every aspect of each case.

The team represents a diverse client base, including individuals, family offices, equine breeders, sports personalities, celebrities, and financial institutions, reflecting broad expertise across multiple sectors.

Strong international networks enable seamless collaboration with external advisers such as accountants, wealth managers, personal assistants, Family or Private Office members, house managers, and household principals, whether UK-based or abroad. This connectivity ensures coordinated, holistic advice suited to complex personal and financial needs.

Known for discretion, strategic thinking, and understanding of financial and emotional sensitivities, the team delivers excellent outcomes in divorce, separation, financial disputes, and private children matters. They expertly handle intricate asset portfolios, trust structures, cross-border issues, and reputational concerns.

Clients include entrepreneurs, professionals, and public figures with global assets and privacy needs. Many cases require urgent, sophisticated litigation in the High Court or Central Family Court. The team tailors strategies to meet individual goals through negotiation or robust litigation.

Chambers Review

Provided by Chambers

Family/Matrimonial: Mediators - UK-wide


What the Team is Known For

Keystone Law has a team of experienced family law specialists well equipped to handle prenuptial and postnuptial agreements, divorce and financial remedy matters on behalf of high net worth individuals.

Strengths

Provided by Chambers

  • Keystone is able to deal with even the most complex cases. The team is well used to high net worth matters.

    Family/Matrimonial: Mediators respondentHigh Net Worth
  • Keystone's solicitors are very organised, concise and thorough. Their communication is excellent.

    Family/Matrimonial: Mediators respondentHigh Net Worth
  • Keystone have been extremely supportive of me both practically and emotionally. I’ve felt comfortable communicating my needs to them and they have listened throughout as well as giving me good advice.

    Family/Matrimonial: Mediators respondentHigh Net Worth

Notable Practitioners

Provided by Chambers

  • Band 3Teresa Cullen
    Band 3Teresa Cullen

    Teresa Cullen

    Teresa Cullen represents high net worth clients in financial remedy proceedings, divorce cases and nuptial agreements. She joined Keystone Law from Fladgate in 2025.

    • Teresa Cullen is very experienced and very commercial.

      Family/Matrimonial: Mediators respondentHigh Net Worth
    • Teresa demonstrates the utmost professionalism in her field. Her experience, knowledge and ability to speak in plain language to clients is incredible.

      Family/Matrimonial: Mediators respondentHigh Net Worth
    • Teresa wears her abilities lightly. She's strategic but in a very low-key way. She is very good at getting pragmatic, sensible outcomes.

      Family/Matrimonial: Mediators respondentHigh Net Worth
  • SpotlightEmma Harte
    SpotlightEmma Harte

    Emma Harte

    Emma Harte is a highly experienced and respected specialist in family law and attracts praises for her mediation practice.

    • Emma Harte is an absolute class act. She is able to navigate complex mediations seamlessly.

      Family/Matrimonial: Mediators respondentHigh Net Worth
    • Emma Harte has such a wealth of experience. She conveys confidence and calm.

      Family/Matrimonial: Mediators respondentHigh Net Worth
  • Band 5Richard Collins
    Band 5Richard Collins

    Richard Collins

    Richard Collins advises on divorce and financial remedy matters. He has a particular specialism in cases involving issues of addiction and mental health difficulties.

    • Richard Collins is excellent. He's a really good litigator. He's really responsive, he has really good client care skills and he's very good at seeing the end point of a case at the start.

      Family/Matrimonial: Mediators respondentHigh Net Worth
    • Richard Collins manages cases in a very efficient way. He has excellent judgement of when to fight and when not to.

      Family/Matrimonial: Mediators respondentHigh Net Worth
  • Band 5Susan Apthorp
    Band 5Susan Apthorp

    Susan Apthorp

    Susan Apthorp advises across the spectrum of family law.

    • Susan was exceptional. She went above and beyond, and worked around the clock. She helped me in a situation where I was nervous and apprehensive.

      Family/Matrimonial: Mediators respondentHigh Net Worth

Ranked Individuals at Keystone Law (5)

UK-wide

Members

Provided by Keystone Law

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