Hanne & Co Solicitors

Firm Profile

Managing Partner: Mary Stewart

Senior Partner: Claire Martin

Number of partners: 14

Number of other fee-earners: 41

Firm overview

Established over 125 years ago, Hanne & Co has earned a reputation for its unwavering commitment to client service and a legacy that spans generations.

The firm’s high net worth team advises individuals, families, and business owners across the UK and internationally, offering a holistic approach to complex legal matters. They recognise that a client’s personal life, wealth, and business interests are deeply connected, and that any legal advice must take the full picture into account. By bringing together specialists from across the firm, Hanne & Co delivers seamless advice through a single, trusted team.

The firm works at the forefront of evolving family law and wealth planning needs, with particular expertise in modern family structures. Whether supporting clients in planning for the future or navigating sensitive issues, the team’s collaborative and proactive approach ensures that their interests are protected at every stage.

Main areas of practice

Family & Divorce – Head of Department, Emma Baillie

Hanne & Co’s Family & Divorce team is highly experienced in advising clients with substantial wealth on complex and often sensitive family matters. The team regularly acts for individuals with high-value assets, including international holdings, business interests, trusts, and family investment structures. Their expertise spans high-net-worth and ultra-high-net-worth divorce proceedings, financial remedies, pre-nuptial and post-nuptial agreements, and matters involving children, very commonly with cross-border elements.

In addition, the team is experienced in advising on surrogacy and parental orders, as well as broader legal issues affecting modern families, ensuring clients receive sensitive and informed guidance in these evolving areas of family law.

Known for their discretion and strategic insight, the team delivers tailored solutions that safeguard both personal and financial interests, always with a clear understanding of each client’s long-term objectives.

Contact: [email protected] (020 7326 9441)

Wealth & succession planning – Head of Department, Claire Martin

Hanne & Co’s Private Client team provides sophisticated, strategic advice to individuals and families with significant assets in the UK and internationally. The team regularly advises on complex estate planning, tax-efficient wealth structuring, Wills, trusts, and the administration of high-value estates, often involving assets held across multiple jurisdictions. They are also recognised for their work with modern and alternative family structures, advising on how these arrangements interact with inheritance, succession, and long-term asset protection strategies.

Their tax planning expertise ensures that clients benefit from tailored strategies to minimise inheritance tax and other liabilities, preserving wealth for future generations. Clients include entrepreneurs, business owners, and multi-generational families seeking to preserve and pass on wealth with clarity and control. Known for their discretion and technical expertise, the team offers bespoke solutions that align with each client’s values, protect their legacy, and support their long-term goals.

Contact: [email protected] (020 7326 9441)

Residential Property – Head of Department, Simon Cozier

Hanne & Co’s Residential Property team specialises in advising high net worth individuals on the acquisition, sale, and management of valuable residential property in the UK. Known for their meticulous attention to detail and commercial insight, they ensure a seamless and efficient process at every stage.

Contact: [email protected] (020 7326 9441)

Resolving Disputes - Head of Department, Victoria Copeman

Hanne & Co’s Dispute Resolution team advises high net worth individuals, families, and businesses on a wide range of complex, high-value disputes. They are experienced in handling matters involving commercial disagreements, property disputes, shareholder and partnership issues, professional negligence, and contentious trusts and probate. Many of the cases they handle involve cross-border elements, substantial assets, or reputational risk. They understand the importance of discretion, strategic thinking, and protecting long-term interests, whether through negotiation, litigation, or alternative dispute resolution such as mediation. The team is known for its commercial awareness, technical strength, and ability to resolve matters efficiently and effectively, often in high-pressure, time-sensitive environments.

Contact: [email protected] (020 7326 9441)

Offices

Holborn – 44 Southampton Buildings, London, WC2A 1AP

Battersea – The Candle Factory, 112 York Road, London, SW11 3RS