Susan Apthorp

Susan Apthorp is a Partner at Keystone Law specialising in family law for high-net-worth and ultra-high-net-worth individuals. She represents clients in divorce proceedings involving substantial assets and cross-border disputes, financial remedy proceedings, Inheritance Act claims, pre- and post-nuptial arrangements, jurisdictional disputes, and complex children matters including international relocation. She qualified as a solicitor in 1994, previously practised at Sears Tooth and Davis Arnold Cooper, and joined Keystone Law in 2020.

She is recognised in Chambers High Net Worth (2023–2026), The Legal 500 (2020–2026), and the Spear's 500 Family Law Index (2021–2025). Notable cases include Brack v Brack (pre-nuptial agreements) and Sekhri v Ray (domicile/jurisdiction).