Alicia Theuma


Austen Hays

  • London

Alicia specialises in leading complex and high-profile collective actions, with a particular expertise in large scale opt-in collective actions.

She has over 10 years’ experience in the development and management of multi-party claims, via a Group Litigation Order or through collective case management.

In recent years her practice has focussed on a breadth of areas including high-profile litigation, consumer claims, emissions claims, product liability claims and claims involving personal injury.

Working alongside Chaya Hanoomanjee, Alicia successfully secured a £193m settlement in the VW NOx emissions litigation in May 2022. Alicia was featured as The Times ‘Lawyer of the week’ in June 2022.

Cases that Alicia has advised on include:

  1. Lead solicitor on VW NOx Emissions Group Litigation (Lexis Nexis Case of the Year 2023), acting for over 71,000 claimants.
  2. Steering committee member on Mercedes NOx Emissions Group Litigation, acting for over 16,000 claimants.
  3. Represented bereaved families and injured workers in the investigation and subsequent In Amenas Inquests.