Arbitration; Banking and financial services; Civil fraud and asset tracing; Commodities and international trade; Company law; Energy and infrastructure; EU & Competition; Insolvency and restructuring; Jurisdiction, conflicts and enforcement; Public and administrative law; Public international law; Shipping

Courtney has developed a broad practice in commercial litigation, international arbitration and public international law. Courtney is instructed on a broad spectrum of litigation in the English courts and in international arbitrations under a variety of institutional rules, and she regularly advises the UK Government on a range of public international law issues.

Before joining Twenty Essex, Courtney qualified as a solicitor-advocate and worked at a leading Wall Street firm. Courtney was also an Assistant Legal Adviser at the UK Foreign, Commonwealth & Development Office, where she advised on urgent issues arising in the context of the COVID-19 pandemic. Courtney also served as a Judicial Assistant to Lord Hodge and Lord Lloyd-Jones at the Supreme Court of the United Kingdom, where she worked on over 40 cases.

Called 2020.