Greg Lascelles
OVERVIEW
Greg advises clients in high-stake matters covering complex international commercial litigation, arbitration, regulatory investigations and legislative hearings.
Expertise
His practice focuses on solving disputes relating to serious fraud, securities (misselling, mismanagement and close-outs), negligence, guarantees and indemnities, director liability, shareholder matters, M&A disputes (warranties and earn-outs) and data breach issues. He joins Hausfeld from Covington.
He has been involved in groundbreaking High Court and FCA disputes relating to, among other things, market abuse, director disqualification and collective selling, as well as in the Supreme Court on the interpretation of standard contractual clauses. Greg's regulatory matters, including at the FCA, FRC, SFO and Insolvency Service, have related to market abuse and financial statement reporting.
Greg's recent High Court cases have been listed in The Lawyer's Top 20 cases of the year in 2019, 2020 and 2023.
He acts for major corporates, financial institutions, entrepreneurs and individuals, with a broad range of experience across financial services, life sciences, technology, manufacturing, construction, music, sport, real estate, and consumer goods.
He can advise clients in English, French and Spanish.
EDUCATION
Bocconi University, M.A., Economics
King's College London, LL.B. English and French law
Université Paris 1 Panthéon-Sorbonne, Maîtrise in French law
BAR ADMISSIONS
Solicitor of the Senior Courts of England and Wales
NEWS
PERSPECTIVES
WHAT OTHERS SAY
Legal 500 UK
Greg has received recognition in four distinct practice areas by Legal 500:
- Commercial Litigation
- International Arbitration
- Dispute Resolution
- Banking Litigation: Investment and Retail
He has been recognised as a key lawyer for his expertise in Commercial Litigation Premium by Legal 500, 2025.
They say: "I am instructed by and worked closely with… and Greg Lascelles. They are each at the top of their games. They have enormous experience, show great attention to detail, are very client friendly and are a pleasure to work with.”
This underscores Greg’s versatility and deep knowledge across multiple facets of law and cements his reputation as a trusted advisor and litigator.
The Lawyer
Greg's recent High Court cases have been featured in The Lawyer's “Top 20 Litigation” of the years 2019, 2020 and 2023.