High Net Worth Guide 2026 : UK-wide
Ranked Individuals
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.
Provided by Chambers
Keystone Law has a team of experienced family law specialists well equipped to handle pre- and postnuptial agreements, divorce and financial remedy matters on behalf of high net worth individuals.
Provided by Chambers
Keystone’s standout strength is the depth and breadth of expertise they can draw on across the wider firm, and how seamlessly they bring that institutional knowledge into a live family matter. When specialist input is needed, they are able to tap the right people quickly and integrate that advice into a coherent strategy without slowing things down or over-lawyering.
Keystone Law is distinguished by its exceptional client care, depth of expertise, clear and transparent communication and sensitivity and emotional intelligence.
Keystone has a large team of super experienced and knowledgeable solicitors at all levels.
Keystone Law is knowledgeable, approachable and down to earth. They also have the ability to draw from colleagues in other specialisms if necessary.
Keystone Law has real expertise in financial remedy work spearheaded by very knowledgeable solicitors. The firm offers a fantastic and holistic approach for clients together with an impressive ability to stand back from cases and appraise their merits.
Provided by Chambers
Emma Harte is a highly experienced and respected specialist in family law and attracts praise for her mediation practice.
Emma Harte is the most amazing, calm person.
Emma Harte is enormously experienced. She has seen so much different litigation that you are just calm and confident in her ability to deliver.
Emma Harte never gets worried. She is firm and very effective.
Emma Harte is constructive, positive and warm.
Emma Harte is hugely experienced as a lawyer. She builds confidence with her clients very quickly.
Teresa Cullen represents high net worth clients in financial remedy proceedings, divorce cases and nuptial agreements.
Teresa Cullen is extremely experienced, with a very good way about her. Clients feel well represented by her. She is a good listener and communicator.
Claire O'Flinn focuses on high net worth family matrimonial finance matters, often involving cross-border jurisdiction issues.
Claire O'Flinn has great attention to detail, leaves no stone unturned and ensures all arguments and preparation are rehearsed. She is a very reliable, solid solicitor.
Claire O'Flinn leads conversations with the counterparts with a high level of knowledge, professionalism and sensitivity, even when handling difficult discussions.
Hannah Sisk advises on matrimonial finance matters, including financial remedy proceedings, Schedule 1 applications and nuptial agreements.
Hannah Sisk provides excellent client care.
Hannah Sisk is a knowledgeable and experienced lawyer who really fights for her clients. She is also a brilliant strategist.
Hannah Sisk is highly responsive, calm under pressure and consistently on top of the detail. She combines excellent client care with real strategic judgement. She quickly understands what matters, explains options clearly, and gives practical, realistic advice that keeps momentum in the right direction.
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 will go the extra mile for his clients, is super intelligent and is a really safe pair of hands.
Richard Collins is a strong litigator. He's really responsive to clients, has a nose for the right outcome and fights hard to get there.
Family/Matrimonial: Mediators
Family/Matrimonial Finance: High Net Worth
Family/Matrimonial Finance: High Net Worth
Family/Matrimonial Finance: High Net Worth
Family/Matrimonial Finance: High Net Worth
Family/Matrimonial Finance: High Net Worth
Provided by Keystone Law
Emma Harte
View profile of Emma HarteClaire O'Flinn
View profile of Claire O'FlinnRichard Collins
View profile of Richard CollinsHannah Sisk
View profile of Hannah SiskTeresa Cullen
View profile of Teresa Cullen
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