England - London • Corporate and commercial

Fieldfisher

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The ‘commercially astute’ team at Fieldfisher is routinely instructed by a strong roster of clients from a range of sectors on the full scope of competition law matters. The practice is reputed for its experience in handling complex cross-border deals involving multiple merger and FDI filings, as well as numerous cartel investigations. Praised for his ’in depth knowledge', John Cassels heads the practice and co-heads the broader regulatory team at the firm. Cassels is noted for his expertise across the full gamut of competition UK and EU competition matters, with a strong record in investigation cases. Jessica Gardner, who is lauded by clients for going ‘above and beyond to deliver commercial and pragmatic advice on time’, was promoted to partner in May 2022.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'Very detail orientated - clearly subject matter experts.’
  • ‘My experience with Fieldfisher is that they provide pragmatic, commercially astute advice in a timely, cost effective manner. John Cassels' expertise and guidance is invaluable.’

  • ‘John Cassels is extremely responsive and helpful. Whether it's advice coming directly from John, or a colleague with the relevant expertise, I know I will be well supported when I request assistance.’

  • ‘Very good regulatory insight into technical areas relevant to our business. Their technical regulatory focus - particularly in ESG - has been invaluable.’

  • ‘Jessica Gardner goes above and beyond to deliver commercial and pragmatic advice on time. She is great at keeping us updated on costs, more than any other firm I've worked with, making it much more easy to manage our budget.

  • 'Aonghus Heatley has great regulatory knowledge and has been an invaluable support for our deposit return scheme project.’

  • ‘Partners give excellent attention to the matters I have seen. Pragmatic and excellent lawyers.’

  • ‘Stephen May - a very practical lawyer. Knows his stuff and is focused on what clients really need. John Cassels - has a really in-depth knowledge of competition law. Massively experienced and has good judgement.’

Key clients

  • Pubs Code Adjudicator
  • Peloton Interactive, Inc
  • Sazerac Company, Inc
  • Bristow Group, Inc.
  • SymphonyAI

Work highlights

  • Advised Bristow Helicopters Limited on its acquisition of British International Helicopter Services Limited– the UK’s largest domestically owned helicopter operator.
  • Acted for Peloton Interactive Inc to support the launch and roll out of its exercise bike and associated services in the UK and Europe, including on several significant competition compliance advisory matters, which are all a critical part of Peloton's growth strategy.
  • Advised US private equity fund SymphonyAI on acquisition of the NetReveal financial crime and AML platform from BAE Systems plc.

Lawyers

Next Generation Partners

Jessica Gardner

Jessica Gardner

Fieldfisher

Partner in the Competition and Regulatory Group at Fieldfisher, based in London.  More than 12 years of experience advising UK and international clients on a range of competition law matters, including dawn raids, CMA investigations, market studies, abuses of market power, merger control and antitrust litigation.  Jessica also leads on Fieldfisher's offering of ESG regulatory support in the UK.  Jessica advises across all sectors, with particular expertise in food and beverage, retail/consumer goods and life sciences. She is well regarded in the market, having been named in law.com's Rising Star awards in 2022 as one of the UK's Top 25 up and coming female lawyers under 40, listed as a Next Generation Partner in Legal 500 2023 and 2024 and awarded Runner Up in the 'Lawyer of the Year' category at the Modern Law Awards in 2022.

Practice head

The lawyer(s) leading their teams.

John Cassels

Other key lawyers

Nick Pimlott, Stephen May, Miguel Vaz, Jessica Gardner, Aonghus Heatley