Hall Of Fame

Group litigation: Claimant in London

Hausfeld & Co LLP

Hausfeld & Co LLP is a market leader in the group litigation space, acting on competition claims across a wide range of sectors. Prospective shareholder and mis-selling claims, as well as product liability and human rights claims are all additional strengths of the practice . Nicola Boyle is the head of the team, with vast experience in collective redress cases; she has been acting on the high-profile collective claim against Qualcomm. A number of other impressive individuals form the team, including Lesley Hannah, who has technology-related expertise, Lucy Rigby, specialising in large-scale group actions, and managing partner Lianne Craig, who has ‘exceptional people skills’.

Responsables de la pratique:

Nicola Boyle

Autres avocats clés:

Lesley Hannah; Lucy Rigby; Lianne Craig; Luke Streatfeild; Sarah Moore; Sofie Edwards; Anthony Maton

Les références

‘Lianne Craig has exceptional people skills and is able to find creative solutions to running cases’

‘The team has sector expertise across many jurisidictions’

‘The number one claimant group litigation practice on this side of the Atlantic. First to the market and have never looked back. Real commitment to this area, and outstandingly strong lawyers at partnership level and below.’

Principaux dossiers

  • Filed a collective claim in the UK’s Competition Appeal Tribunal on behalf of technology journalist Charles Arthur who proposed to represent UK publishers of websites and apps against tech giant Google.
  • Building a group action against Mercedes-Benz in in the UK on behalf of individual and business purchasers of diesel Mercedes vehicles, following findings by the German Transport Authority that Mercedes installed devices in diesel vehicles that could cheat emissions tests.
  • Advises and represents Philip Evans in the significant collective action against six global banks seeking damages in respect of foreign exchange (FX) spot trading cartels.

KP Law

Litigation boutique KP Law offers a ‘very bespoke and individualised service’ for its clients, with specific expertise in group litigation. Consumer representation is a key focus for practice, with the team acting on high-profile data breach claims, equal pay matters, and vehicle emissions claims. Managing director Andrew Nugent Smith is a ‘great leader as well as technically excellent lawyer’, and sits at the helm of the team that includes ‘legally sophisticatedMark Kenkre and legal director Hannah Wright-Jones who is ‘extremely dedicated and analytically strong’. At associate level, Nathaniel Barber is ‘extremely able and talented’, and is noted alongside Lesley Ainsworth.

Responsables de la pratique:

Andrew Nugent Smith

Autres avocats clés:

Mark Kenkre; Nathaniel Barber; Kingsley Hayes; Hannah Wright-Jones; Lesley-Ann Ainsworth; Tom Longstaff; Duncan Hedar

Les références

‘Andrew Nugent Smith is an innovator in the group litigation space. One of the trailblazers who others now seek to follow. A great leader as well as technically excellent lawyer (both key to managing large scale group actions).’

‘Mark Kenkre – legally sophisticated, clinical but always commercial.’

‘The team provides a very bespoke and individualised service, with great specialism in group litigation.’

Principaux clients

Mercedes-Benz (Daimler AG) emissions claimants

Uber workers’ rights claimants

Volkswagen Group emissions claimants

Tesco workers’ rights claimants

Binance Cryptoasset claimants

London Metal Exchange claimants

TerraUSD Claimants

EasyJet data breach claimants

British Armed Forces pension mis-selling claimants

Vauxhall emissions claimants

Equiniti data breach claimants

Sports fraud claimants

Plevin/PPI claimants

Police Federation of England and Wales membership data breach claimants

Equifax data breach claimants

Asda workers’ rights claimants

Morrisons workers’ rights claimants

Sainsburys workers’ rights claimants

Principaux dossiers

  • Representing consumers in vehicle emissions claims arising out of the infamous “dieselgate” scandal in which car manufacturers mislead consumers and regulators on the emissions from diesel vehicles, including actions against some of the largest and well-known brands such as Mercedes-Benz, Volkswagen, and Vauxhall.
  • Representing workers in rights claims for fair wages and back pay from the UK’s four largest supermarkets Tesco, Sainsbury’s, Asda and Morrisons, and Uber, the world’s largest ride-sharing company.
  • Representing consumers bringing high-profile data breach and cybercrime claims following attacks against major airlines British Airways and EasyJet, credit reporting giant Equifax, Ticketmaster, the biggest ticketing company in the world, and leading pensions services company Equiniti.

Leigh Day

Praised by clients as 'excellent litigators who understand the technicalities and have exceptional know-how', Leigh Day's highly experienced team regularly handles high-profile class actions across a host of sectors. Key names to note include heavyweight litigator Martyn Day and Shazia Yamin, an 'extraordinary solicitor and partner' with 'an excellent eye for detail.'

Responsables de la pratique:

Jamie Beagent; Gene Matthews; Nigel Mackay; Emma Satyamurti; Richard Meeran

Autres avocats clés:

Martyn Day; Shazia Yamin; Oliver Holland; Zoë Mernick-Levene; Sapna Malik; Ben Croft

Les références

‘They are always ahead of the legal market and on the right side of litigation. They are technically strong and can communicate complex issues clearly.’

‘They are excellent litigators who understand the technicalities and have exceptional know-how to assist their clients in the most difficult cases.’

‘I believe the Leigh Day commercial team are well versed in their field. They have a lot of experienced professionals who understand the cases and fight for the best possible outcomes for their clients. The team is truly special and the best in the business in my opinion.’

Principaux clients

6,300 easyJet customers

385 TalkTalk customers


Hepatitis C Equality Act/HRA

Former pupils of Royal Alexandra and Albert School

Archer & Others v Ministry of Justice

Equal pay claims brought on behalf of over 81,000 employees of major supermarkets and high street retailers, including ASDA, Sainsbury’s, Tesco, Morrisons, Co-op and Next.

Pension discrimination claims

Amazon delivery drivers

Operation Fort

Great Ormond Street Hospital

Shell Ogale/Bille Nigerian oil spills

Tea plantation workers v PGI re sexual abuse

Competition claims v UK water and sewerage companies

Woodford/Link investors group claim

Burmese migrant workers v Tesco & Intertek regarding forced labour in garment industry

Malawian tobacco farmers v BAT & Imperial Tobacco regarding forced and child labour in tobacco farms

NOx Group Emissions (various manufacturers)


Pogust Goodhead

Pogust Goodhead’s group litigation practice acts on high-profile, high-value collective actions, often precedent-setting in nature. The team is active on many leading cases in this arena, representing tens of thousands of claimants in the highly publicised Dieselgate cases, as well as the British Airways data breach class action. Product liability is another strength of the team that is jointly led by Tom Goodhead and Christopher Neill. Céline Barnwell’s practice focuses on complex cross-border disputes, particularly in the environmental law space, playing a crucial role on the well-known Fundao dam dispute that the practice is widely commended for. The strength of the team was further bolstered by the arrival of Guy Robson from Keller Postman UK in November 2022.

Responsables de la pratique:

Tom Goodhead; Christopher Neill

Autres avocats clés:

Céline Barnwell; Guy Robson

Principaux dossiers

  • Representing over 700,000 claimants in a landmark litigation against two entities of the BHP group dually listed in England and Australia, regarding the 2015 ‘Fundao Dam collapse’ in South-Eastern Brazil.
  • Issued proceedings against petrochemical giant Braskem over significant environmental destruction caused by its controversial mining activities in the city of Maceio, Brazil.
  • Acting on behalf of over a thousand affected Brazilian claimants in the widely devastating Brumadinho environmental litigation.

Stewarts Law LLP

The highly regarded group actions offering at Stewarts Law LLP is jointly led by head of tax litigation David Pickstone, competition litigation head Kate Pollock and securities litigation head Keith Thomas. The team, which focuses on cases concerning securities, competition, tax, financial product mis-selling, consumer and data privacy, has recently been acting for multiple financial institutions in claims against Glencore – the firm has a track record of high-profile roles on a raft of other headline-making claims, including the Ingenious and Eclipse film scheme cases and Asda Stores Limited & Others v Mastercard in the Supreme Court.

Responsables de la pratique:

David Pickstone; Kate Pollock; Keith Thomas

Autres avocats clés:

Fiona Gillett; James Le Gallais; Marc Jones

Fox Williams LLP

Fox Williams LLP boasts a ‘skilled and experienced group litigation team’ that acts on many high-profile securities class actions, acting for large institutional investors against leading companies. The practice has extensive experience across s90 and s90A FSMA claims, and levies the experience of other departments at the full-service firm to offer expertise to clients. Andrew Hill  is ‘one of the very best when it comes to securities claims’, and is commended by one client for being ‘intelligent, thorough, responsive, and experienced’. Having joined the firm from Keystone Law in November 2022, Matthew Reach brings a wide range of expertise, having been involved in the RBS Rights Issue litigation.

Responsables de la pratique:

Andrew Hill

Autres avocats clés:

Matthew Reach

Les références

‘Andrew Hill is a recognised leader in the area of group litigation. An excellent lawyers with creative thinking.’

‘Always partner-led, the Fox Williams team is responsive, reliable and highly experienced. It is no surprise they are at the forefront of securities claims.’

‘Andrew Hill is one of the very best when it comes to securities claims – he is brilliant to work with and achieves fantastic results.’

Principaux dossiers

  • Acting on a successful case for well-known institutional investor claimants against Tesco PLC.
  • Acting for 205 well-known institutional investor claimants against Glencore PLC.
  • Bringing a major class action case on behalf of shareholders against Petrofac Limited after the company pleaded guilty to breaches of the UK’s Bribery Act.

Harcus Parker Limited

At Harcus Parker Limited, a team of ‘down-to-earth, pragmatic, and great team players’ acts on a diverse array of cases in the group litigation space. The expertise of the team extends across a wide range of collective actions, with experience in financial and shareholder actions, consumer cases, and equal pay claims. Competition Appeal tribunal work and data breach cases are also a mainstay of the practice, that for one client, consist of ‘group claim specialists and leaders in their field’. Damon Parker, a ‘charming and excellent strategist’ is the head of the team, having founded the firm in 2019. Parker has expertise in financial services and commercial claims, and is currently acting on the high-profile Woodford group action. Noted practitioners include Jeremy Robinson and Thomas Ross, who have ‘unparalleled knowledge and experience in group litigation’, and at associate level, ‘hugely bright and tenaciousMatthew Patching, and ‘standout associate’ Olivia Selley. The team continues to grow, with Rob Murray joining as a consultant from Mishcon de Reya LLP in October 2022.

Responsables de la pratique:

Damon Parker

Autres avocats clés:

Matt Patching; Emily Fernando; Jennifer Cassidy; Edward Parkes; Jeremy Robinson; Thomas Ross; Daniel Kerrigan; Olivia Selley; Jennifer Morrisey

Les références

‘Emily Fernando, Jennifer Cassidy and Edward Parkes are all very professional, highly trained solicitors who really know their stuff, coupled with the human touch – they are very compassionate, caring people.’

‘They are down-to-earth, pragmatic and great team players.’

‘Jeremy Robinson and Thomas Ross have unparalleled knowledge and experience in group litigation.’

Principaux dossiers

  • Acting for claimants in four inter-linked class actions in the Competition Appeal Tribunal concerning MasterCard and Visa multilateral interchange fees, in one of the largest cases ever brought before the CAT.
  • Acting on behalf of over 12,000 current and former workers at Tesco in a claim against the supermarket for equal pay which is potentially worth up to £600m.
  • Acting for students in group claims against 22 universities for cancelled, disrupted and subpar teaching, as well as limited or no access to facilities as a consequence of the universities’ response to industrial action and COVID-19, in one of the highest profile ongoing group actions.

Milberg London

Milberg London’s group litigation practice, which acts for claimants in a broad range of cases, was founded in 2020 by a team which moved over from Mishcon de Reya LLP to set up a UK offering for US leader Milberg Phillips Grossman LLP. Individuals within the team appear on the steering committees of group actions brought against Vauxhall and Mercedes, and have notably launched a high-profile competition case against Sony Playstation. James Oldnall leads a team which includes ‘strong personalities’ and is ‘user friendly’. ‘Tenacious, bright and pragmatic’ founding partner Polly Blenkin is integral to the team which continues to expand, with the arrival of Robert Schultz from Baker Botts (UK) LLP in March 2023, Hadley Zielonka and Nicola Little from Shoosmiths LLP in September 2022.

Responsables de la pratique:

James Oldnall

Autres avocats clés:

Polly Blenkin; Nicola Vinovrški; Robert Schultz; Hadley Zielonka; Nicola Little

Les références

‘Strong personalities and user friendly.’

‘Polly Blenkin is tenacious, bright and pragmatic.’

‘They bring energy and drive to the process and have a good grasp of technology.’

Principaux dossiers

  • Acting on the Steering Committee leading the emissions group action against Vauxhall and related defendants.
  • Acting on a representative action against Sony PlayStation for approximately £5 billion for breaches of competition law on behalf of thousands of consumers.

Stephenson Harwood

Stephenson Harwood fields a ‘excellent team with a relentless focus on getting clients results', with particular strength in private enforcement and group litigation. Its client roster consists of hotel groups, leading retailers and universities, and technology companies. The practice is led by Genevieve Quierin, described as a ‘brilliant litigator, a savvy strategist and a superb communicator‘. The team continues to expand, with the arrival of Dan Smith from Latham & Watkins in June 2022, Michael Bywell from Hausfeld & Co LLP in January 2023, and Peter Dalton from Herbert Smith Freehills LLP in February 2023. Ben Sigler sustains a focus on the financial and technology sectors.

Responsables de la pratique:

Genevieve Quierin

Autres avocats clés:

Dan Smith; Michael Bywell; Peter Dalton; Ben Sigler

Les références

‘Genevieve Quierin is a superstar: a brilliant litigator, savvy strategist and a superb communicator, who is also genuinely lovely person.’

‘An excellent team with a relentless focus on getting clients results. Excellent on legal strategy and maintaining a clear perspective on the key issues in litigation.’

‘Genevieve Quierin is an absolute star with a remarkable appetite for detail while maintaining a clear sense of overall strategy.’

Principaux clients


Intercontinental Hotel Group

Hilton Hotels

WorldRemit Limited

3 (Hutchison Telecom)


Welcome Break



BMW Group Financial Services

The Savoy Hotel

Superdry plc

Levi Strauss

16 leading UK universities (including King’s College London, London School of Economics and Political Science, Imperial College of Science, Technology and Medicine, University of Leeds and University of Manchester)

Lebara Mobile

Principaux dossiers

  • Representing over 1,900 corporate claimants in group claims brought against Mastercard and Visa, totalling approximately £1.5 billion. These clients include WorldRemit, Henderson & Jones, Lebara Mobile, 3, Bet365, Hilton, IHG and numerous global hotel chains, high street and online retailers, restaurant chains, travel companies, arts and entertainment companies, airlines, ticketing companies and others.
  • Representing Hillside (Shared Services) Limited and others (whose claims were issued in 2017) in interchange reimbursement claims against Visa and MasterCard in two separate sets of proceedings.
  • Acting for Alpha Bank Cyprus Ltd, Bank of Cyprus Public Company Limited and various credit acquiring companies in relation to a large number of claims based on alleged ‘mis-selling’ brought in the UK and Cyprus, in group actions involving hundreds of parties.

Edwin Coe LLP

Edwin Coe LLP fields a ‘lean and nimble team which punches well above its weight in heavy duty commercial litigation', with over 30 years of experience in group claims across a wide array of sectors. Public law litigation is a key strength of the practice, which notably acted on the Post Office litigation concerning sub-postmasters. ‘Charming and totally switched-onDavid Greene, a former President of the Law Society, leads the team that consist of ‘very efficient and perceptiveZahira Hussain, both with a wealth of experience representing claimants in collective actions. Other noted practitioners within the team include the ‘very hard workingThomas Johnson, and Canadian-qualified senior associate Fred Sheppard.

Responsables de la pratique:

David Greene

Autres avocats clés:

Zahira Hussain; Thomas Johnson; Fred Sheppard

Les références

‘Lean and nimble team, which punches well above its weight in heavy duty commercial litigation. They have particular expertise on claimant side mandates in group actions.’

‘Thomas Johnson is very hard working, cuts through issues, and gets the practicalities of claimant side group litigation.’

‘One of the firm’s most outstanding qualities is their ability to handle complex issues at the intersection of various fields of law (e.g., corporate and finance) and to use their vast collective experience in solving complex multi-jurisdictional problems.’

Principaux dossiers

  • Advising a group of 150 claimants in relation to their claim for damages and interest against various truck manufacturers, following a finding by the European Commission of a price-fixing cartel.
  • Representing the Claimants who invested in, and became members of the Eclipse Scheme. The Defendant developed, marketed and implemented the Eclipse Scheme which was sold to the Claimants as an opportunity to invest in transactions with Disney in relation to film rights. The transactions entered into by the Eclipse Partnerships with Disney were a fraud. The value of the claim is £1.3billion.
  • Representing consumers arising from the misspelling of Spanish timeshares. The claim is valued in excess of £8million.

Hugh James

Environmental nuisance, industrial disease, and product liability claims are all mainstays of the group litigation department at Hugh James, which also has 'unrivalled experience of litigating domestic environmental group actions'. Neil Stockdale, who heads the firm’s financial mis-selling team, has an 'instinctive grasp for the core issues, and an excellent feel for when to fight and when to settle'; he works in tandem with Mark Harvey, who has a 'longstanding and deserved reputation as a market leader' and has been representing claimants in product liability claims for over four decades.

Responsables de la pratique:

Neil Stockdale

Autres avocats clés:

Mark Harvey; Kathryn Singh; Rebecca Andrews; James Gibson; Stephanie Eedy; Kimberley Sutton

Les références

‘Hugh James has unrivalled experience of litigating domestic environmental group actions, spanning both common law nuisance and actions based on statute (in particular Part I of the Land Compensation Act 1973).

‘Rebecca Andrews is always across both the detail and the strategic and tactical issues for a case, including matters of a highly technical nature.’

‘An innovative team who take cutting edge cases and are fearless.’

Irwin Mitchell

Irwin Mitchell is known as a ‘genuine national leader for technical know-how and experience in group litigation’, with a pre-eminent practice in claims related to defective products, medical negligence, and travel illness. Cases undertaken are often highly publicised, with the team notable having acted on the Boeing 737 claims and Lariam claims brought against the Ministry of Defence. The leadership of the team is split four ways, with Tim Annett, Sallie Booth, David Johnston-Keay  and senior associate Jatinder Paul  all sitting at the helm of the practice. Also of note is Natalie Truman, who is commended for her clinical negligence work, and is ‘great in group claims’.

Responsables de la pratique:

Tim Annett; Sallie Booth; David Johnston-Keay; Jatinder Paul

Autres avocats clés:

Natalie Truman

Les références

‘Irwin Mitchell is a genuine national leader for technical know-how and experience in group litigation.’

‘The team, led by Jatinder Paul, is always willing to pursue difficult group cases and fight their clients’ corner.’

‘Jatinder Paul has a depth of experience and a breadth of knowledge in group claims.’

Humphries Kerstetter LLP

Litigation boutique Humphries Kerstetter LLP acts on complex commercial disputes, with significant experience in the class action space. Competition group litigation is a key strength of the team, having notably acted in the high-profile MasterCard and Visa interchange fees proceedings. Solicitor-advocate Toby Starr leads the team, with specific expertise in financial misselling and fraud claims. Key to the practice are consultant Mark Humphries, who co-founded the firm in 2009 after a long career at Linklaters LLP, and managing partner James Russell.

Responsables de la pratique:

Toby Starr

Autres avocats clés:

Mark Humphries; James Russell

Les références

‘Toby Starr is a highly experienced litigator – unflappable, with a friendly manner and very easy to deal with.’

‘Toby Starr is a dogged and highly efficient partner who has an excellent understanding of competition practice and law.’

‘James Russell is exceptional. Highly competent and extremely knowledgeable.’

Principaux dossiers

  • Acting for around 700 claimants in claims against MasterCard and Visa arising out of the interchange fees that the merchants incur.
  • Acting for the former director of Ofcom as the proposed class representative for 130,000 UK publishers of websites and mobile apps against Google.
  • Acting for a group of bondholders to investigate and pursue claims on their behalf arising out of the collapse of Blackmore Bond Plc.

Penningtons Manches Cooper LLP

The practice at Penningtons Manches Cooper LLP is ‘very experienced, trustworthy, and very capable in managing complex group actions’, acting for clients in claims linked to insurance, financial mis-selling,  and professional negligence. For one client, the team led by Clare Arthurs is ‘probably one of the best for group litigation‘. Noted practitioners include ‘extremely effective and knowledgeable’ David Niven and David O’Brien, who is commended for ‘leaving no stone unturned‘.

Responsables de la pratique:

Clare Arthurs

Autres avocats clés:

David O’Brien; David Niven; Nicole Blakey

Les références

‘David Niven directs overall strategy in a commercial way, leaving the detailed day-to-day conduct to his very competent and diligent team.’

‘The team is extremely pleasant to deal with, and extremely well informed. They are accessible. When they delegate to associates and others, they are well-chosen and extremely good quality.’

‘An excellent team that knows what it’s doing and does it well.’

Principaux dossiers

  • Acting for a total of 27 clients in breach of stakeholder contract claims against 174 Law Solicitors Limited in relation to the alleged unlawful release of  client deposits in a property investment scheme.
  • Acting for around 50 NFU Mutual policyholders, pursuing unpaid business interruption claims against the insurer arising out of Covid-19 pandemic.
  • Acting for a group of 43 individual claimants in a complex group action against an architect (Stuart Duffy) and his company (The Keith Davidson Partnership Ltd).