
Family/Matrimonial Finance: Ultra High Net Worth
UK Guide 2026 : London (Firms)
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Fladgate LLP
We specialise in high net worth, complex and international divorce cases and ensure you get a fair share of the family assets. We also advise on Pre and Post Nuptial agreements to help you to protect your wealth for the future and advise on all issues relating to children and their welfare.
Our expertise covers defending and attacking trust structures, complex business valuations and jurisdictional disputes as well as all issues in relation to arrangements for children, including where they will live, adoption, international abduction and paternity disputes.
We represent entrepreneurs, HNW individuals, professional advisers and beneficiaries of both offshore and onshore trusts on financial implications and arrangements for children following a separation or a divorce.
Our approach, while always alert to the sensitivities of family relationships, is pragmatic and commercial. We are not afraid to give clear guidance and advice to protect our client’s interests and take a hard line when we need to and push to settle when we don’t.
Our services include:
- Divorce
- Financial claims on divorce
- Children’s issues (domestic/international)
- Separation agreements
- Cohabitants’ claims
- Civil partnerships
- Pre- and post- nuptial agreements
- Cross-border disputes (forum shopping)
- Mediation – all issues
- Collaborative law
Chambers Review
Provided by Chambers
Strengths
Provided by Chambers
They are knowledgeable, articulate, experienced and have an excellent bedside manner with clients.
Family/Matrimonial Finance: Ultra High Net Worth respondentUKFladgate has a really strong and reliable team.
Family/Matrimonial Finance: Ultra High Net Worth respondentUKFladgate is a young and nimble firm that offers a genuinely attentive service.
Family/Matrimonial Finance: Ultra High Net Worth respondentUKFladgate provides an excellent standard of service for its clients. Clients are always very well briefed.
Family/Matrimonial Finance: Ultra High Net Worth respondentUK
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Rebecca Cockcroft
Rebecca Cockcroft represents affluent clients in a wide range of family law cases, in both a domestic and international context. Cockcroft recently joined Fladgate from Payne Hicks Beach.
Rebecca Cockcroft has fantastic instincts and also really prepared to get creative. She's quietly persistent.
Family/Matrimonial Finance: Ultra High Net Worth respondentUKRebecca Cockcroft is one of the leaders in the field. She is a very good technical lawyer but also her client care is superb. I can't speak highly enough of her.
Family/Matrimonial Finance: Ultra High Net Worth respondentUKRebecca Cockroft is a very able lawyer - great with clients and good strategically. She is reassuring, always available and bright.
Family/Matrimonial Finance: Ultra High Net Worth respondentUK
Band 2 
Band 2 
Joshua Moger
Joshua Moger regularly represents clients in high net worth and ultra high net worth divorce matters, including entrepreneurs, private equity principals, high-level professionals and executives, and their spouses.
Joshua Moger is a top next-generation partner. He is a super good technical lawyer. He's really good at the law.
Family/Matrimonial Finance: Ultra High Net Worth respondentUKJoshua Moger has really good judgement and offers a very good level of service.
Family/Matrimonial Finance: Ultra High Net Worth respondentUKJoshua Moger has great client care and he is a real litigator.
Family/Matrimonial Finance: Ultra High Net Worth respondentUKJoshua really finds new angles. There is no stone left unturned in a case with him.
Family/Matrimonial Finance: Ultra High Net Worth respondentUK
Band 3 
Band 3 
Catherine Costley
Catherine Costley is a partner who advises on divorce and financial remedy cases, often for clients with complex asset structures.
Catherine has been spot-on in terms of what she's advised the client. She has a superb level of client care. The clients always seem very well looked after by her. She goes beyond the extra mile.
Family/Matrimonial Finance: Ultra High Net Worth respondentUKCatherine Costley is a really good client lawyer.
Family/Matrimonial Finance: Ultra High Net Worth respondentUKCatherine Costley is methodical, thorough, and clients love her.
Family/Matrimonial Finance: Ultra High Net Worth respondentUK
Ranked Individuals at Fladgate LLP (3)
Members
Provided by Fladgate LLP

Rebecca Cockcroft
View profile of Rebecca Cockcroft
Catherine Costley
View profile of Catherine Costley
Joshua Moger
View profile of Joshua Moger
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