Keller Postman UK > London, England > Firm Profile

Keller Postman UK
81 Chancery Lane

Dispute resolution > Group litigation: Claimant Tier 1

Litigation boutique Keller Postman UK 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.

Practice head(s):

Andrew Nugent Smith

Other key lawyers:

Mark Kenkre; Nathaniel Barber; Kingsley Hayes; Hannah Wright-Jones; Lesley-Ann Ainsworth


‘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.’

‘Mark Kenkre – very hands-on, sensible, and commercial. Hannah Wright-Jones – proactive, well-informed, hard-working.’

‘Nathaniel Barber is an extremely able and talented associate who operates group claims at the highest level.’

‘Kingsley Hayes is an excellent tactician.’

‘Hannah Wright-Jones is extremely dedicated and analytically strong. She has proven herself to be very adept at managing large scale group litigation and clientele numbering in the tens of thousands.’

Lesley-Ann Ainsworth combines strong instincts on all matters substantive and strategic with an exceptional diligence in everything that she does.’

Key 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

Work highlights

  • 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.


Keller Postman UK is one of the most experienced group litigation teams in England and Wales, having been a founding member of the Collective Redress Lawyers Association (CORLA). Their offices span London, Liverpool and Birmingham, where they specialise in representing groups in major multi-claimant and class action cases.

Keller Postman UK’s keen business acumen is what sets them apart from their competitors. They have a diversity of expertise across their departments, which handle a wide range of commercial, employment and consumer litigation cases. The firm has supported thousands of clients to take on large corporate entities, often in cases other lawyers have deemed too challenging.

For more information about Keller Postman UK, including our ongoing case work, media features and awards, please visit

Main Areas of Practice

Diesel Emissions Claims: Keller Postman UK acted on behalf of customers affected by car manufacturers who fitted illegal ‘defeat devices’ into their diesel vehicles. The team includes some of the most skilled litigation lawyers in England and Wales. Towards the end of May 2023, Volkswagen Group settled for £193m in the first Dieselgate settlement in England & Wales.

Workers’ Rights Claims: Keller Postman UK specialise in the complex area of employment law and worker’s rights, taking on ground-breaking cases to uphold the rights of employees. The team take on equal pay actions, employment status claims and other worker’s rights cases, and are currently running group-action claims against Morrisons, Asda, Sainsbury’s and Tesco, having previously led a legal challenge against the world’s largest ride-sharing platform, Uber.

Data Breach and Cybercrime Claims: Keller Postman UK represent both individuals and groups who have been victim to data breaches. Their team are leading experts in data protection law, representing clients who have had their data stolen, misused, and wrongfully exposed. Keller Postman UK understand that theft or misuse of personal data can cause embarrassment and feelings of violation, and their expert lawyers make successful data breach claims across a range of sectors.

Investment Fraud and Mis-Selling Claims: Keller Postman UK work with clients who have been impacted by investment scams, frauds, and mis-selling by professional advisors to obtain redress where they have suffered loss due to unlawful conduct or negligence. The team handle group claims which range in size from a small number of claimants to many thousands. They have a deep understanding and extensive experience in investment mis-selling and fraud claims and pursue claims in the UK and beyond.

Department Name Email Telephone
Managing Director Andrew Nugent Smith 0208 057 7506
Investment Mis-selling and Fraud Mark Kenkre 0203 991 3433
Data and Privacy Litigation Kingsley Hayes 0151 459 5850
Photo Name Position Profile
Lesley-Ann Ainsworth photo Lesley-Ann Ainsworth Lesley-Ann is a Senior Associate and assists with the day-to-day conduct of…
Nathaniel Barber photo Nathaniel Barber Nate works across the full range of the firm’s cases, drawing upon…
Kingsley Hayes photo Kingsley Hayes Kingsley is Head of Data and Privacy Litigation at Keller Postman UK. He…
Mark Kenkre photo Mark Kenkre Mark heads the Investment Fraud and Mis-Selling team at Keller Postman UK,…
Andrew Nugent Smith photo Andrew Nugent Smith Andrew is Managing Director of Keller Postman UK, taking primary responsibility for…
Hannah Wright Jones photo Hannah Wright Jones Hannah is a Legal Director, whose work concerns group actions spanning Keller…
Keller Postman UK is a founding member of the Collective Redress Lawyers Association (CORLA).