Sebastian Allen

Practice Overview

Sebastian has a broad commercial and chancery practice covering all the main areas of work in Wilberforce Chambers. He has particular experience, both as an advisor and advocate, of large-scale litigation relating to pensions, commercial and company litigation, financial services, trusts, insolvency, professional negligence and property disputes.

Sebastian is frequently instructed on cases with an international element and is used to working with multi-jurisdictional legal teams. He deals with complex multi-party litigation and is regularly led by Queen’s Counsel both within and outside Wilberforce Chambers.

Sebastian appears regularly in the High Court and County Courts representing clients in both interlocutory applications and trials.

Chambers & Partners 2019 describes him as “very personable, client-friendly and hard-working”. “A clear-headed, resourceful junior with strong advocacy skills.” The Legal 500 2019 edition highlights him as a leading junior for professional negligence and pensions, describing him as “first rate” and someone that “instils complete confidence in clients”.

Previous editions say “he is a very charming opponent, but steely when needed”. “He is clear-headed, very practical, resourceful and has strong advocacy skills” (Chambers & Partners 2018). Sebastian also has “a sharp intellect and a fantastic manner with clients.” (The Legal 500 2017)

Sebastian was ranked as “highly-commended up-and-coming” in Legal Week’s 2011 “Future Stars of the Bar”.