The barristers at XXIV Old Buildings are specialists at providing advocacy and advice across all areas of contentious and non-contentious trust, probate, and private client disputes. They are known for handling complex, multi-jurisdictional, and high-value cases. Their expertise extends to representing clients in the highest domestic and offshore courts, including the High Court, Court of Appeal, Supreme Court, Privy Council, and in leading offshore jurisdictions such as the BVI, the Cayman Islands, Bermuda, Jersey, Guernsey. They represent a diverse range of clients, including private individuals, corporations, charities, and UHNW families.

XXIV Old Buildings is highly respected for its work in both traditional and commercial chancery matters, with notable strength in cases involving companies, insolvency, real estate, and civil fraud. Recognised as a "powerhouse" for offshore trust work (Chambers & Partners), they are a leading force in trusts and estate litigation, with extensive experience in jurisdictions across the globe