Luke Streatfeild
he / him / his
Luke is a competition litigation specialist. His practice focuses on the promotion of fair markets and consumer welfare, and in particular the private enforcement of competition, data protection and consumer law.
Expertise
Luke has acted on some of the largest and most complex competition litigation matters in recent years, including bringing and defending major collective proceedings before the Competition Appeal Tribunal.
He advises the proposed class representative on the £7 bn UK claim against Google for abuse of dominance in search, and is one of the lead partners in the first historic consolidation of £13.6 bn claim against Google for abuse of dominance in adtech.
Luke also led the first ever complaint to the Information Commissioner’s Office (ICO) regarding the implementation of the Age-Appropriate Design Code (AADC), in relation to the processing of children’s data by YouTube in its recommender algorithm.
He joined Hausfeld from Allen & Overy LLP where he was a senior associate in their competition litigation practice. Committed to defending civil liberties and human rights, Luke has an active pro bono practice. He also undertook time on secondment at Liberty.
Clients
Luke has acted for a range of governments, financial institutions, financial corporations and high net worth individuals in advancing and defending high value claims in the High Court, and in ICC, LCIA, LMAA and ECT arbitral proceedings.
Solicitor, England and Wales, 2007
Attorney, United States, California Bar, 2021
Chambers UK
Luke Streatfeild is 'incredibly commercial and a force of calm'; 'he deeply understands the issues and efficiently and decisively deals with complex decisions'; 'a great leader with a strong vision who draws on his team's expertise well' and 'he can really see through things that are stressing people out and manage the team well.' - Competition Law: Private Enforcement: Claimant, Chambers UK and Chambers Global, 2025
Luke Streatfeild 'stands out as a very strong litigator'; 'he is very strategic'; 'brilliant' and 'I find him strategic, good at picking the right cases, picking the right team and is efficient in managing litigation.' - Group Litigation: Claimant, Chambers UK, 2025
Luke Streatfeild 'is inventive and strategic. He's super impressive in his organisational skills too' and 'is particularly impressive. He's making some real moves in competition circles'; ' Luke is a great manager of litigation projects. He's very even-tempered, bright and articulate. He's a good guy to work with.' - Group Litigation: Claimant, Chambers UK, 2024
Global Legal Post
“Luke’s elevation owes much his detailed knowledge of the ways in which competition law and commercial litigation interact, and is equally laudable.” - 2021
Legal 500 UK
Luke Streatfeild has been recognised as a Next Generation Partner for his expertise in Competition Litigation in 2025.
Ranked as a key lawyer, Luke 'really stands out for his outstanding judgment and effectiveness in putting together and leading a brilliant team.' - Group Litigation Claimant, 2025
‘Key Lawyer Luke Streatfeilld is all over the detail. His focus on CAT collective claims and, specifically, big tech claims, makes him a leader in this area, he has carved himself out as an expert in this field. He has real skill in translating and communicating complex issues and to managing with aplomb the significant number of competing threads that arise in these claims. Luke has excellent judgment and delivers fantastic results.’ - Competition Litigation, 2024
'Luke Streatfeild is highly knowledgeable as well as being battle hardened in the leading cases.’ - Group Litigation: Claimant, 2024
Ranked as a 'Key Lawyer, Luke Streatfield is another partner to watch - he is brilliant to worth with and achieves fantastic results.' - Competition Litigation, 2023
Who's Who Legal
Recognised in 2023 as a Global Leader in Competition Plaintiff.
Lawdragon
Luke was recognised by Lawdragon in 2024 in their list of 500 Global Plaintiff Lawyers for Competition and Financial Services plaintiff litigation.
Luke is part of the competition team at Hausfeld working on:
Formerly an Associate in Cleary Gottlieb’s London office, he:
Luke helped lead the Hausfeld team which:
Filed a CPR 19.6 representative action brought on behalf of Duncan McCann, on behalf of up to 5 million British children aged under 13 and their parents in the High Court – alleging that YouTube’s methods of targeting underage audiences and harvesting their data constitute major violations of the UK Data Protection Act and the EU’s General Data Protection Regulation (GDPR), both of which were designed to protect citizens’ privacy rights.
Prior to joining Hausfeld, Luke gained experience:
A great leader with a strong vision who draws on his team's expertise well.
Luke Streatfeild stands out as a very strong litigator.
Luke Streatfeild really stands out for his outstanding judgment and effectiveness in putting together and leading a brilliant team. He is very good, pragmatic and strategic.
Luke Streatfeild is inventive and strategic. He's super impressive in his organisational skills too. He is particularly impressive. He's making some real moves in competition circles. Luke is a great manager of litigation projects. He's very even-tempered, bright and articulate. He's a good guy to work with.
Luke Streatfield is all over the detail. His focus on CAT collective claims and, specifically, big tech claims, makes him a leader in this area, he has carved himself out as an expert in this field. He has real skill in translating and communicating complex issues and to managing with aplomb the significant number of competing threads that arise in these claims. Luke has excellent judgment and delivers fantastic results.
Luke Streatfield is another partner to watch - he is brilliant to work with and achieves fantastic results.
Luke’s elevation owes much his detailed knowledge of the ways in which competition law and commercial litigation interact, and is equally laudable.