Ashurst LLP ‘s antitrust, regulatory and trade competition team is experienced in handling cartel investigations, merger control, FSR and State aid matters. Practice head Denis Fosselard is a notable merger control authority with standout experience in the Italian market. Donald Slater is an expert on behavioural matters and State aid, particularly in the energy, environmental, and industrial sectors. Denis Waelbroeck retired from the practice in April 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Denis Fosselard is a seasoned competition lawyer who manages to provide excellent counsel while navigating a complex industry and the complexities of an association's involvement in contentious antitrust proceedings. ’
- ‘The team at Ashurst has developed deep insights into our particular sector and how EU and national competition law proceedings impact our association and membership. In addition to their wealth of legal expertise, this insight enables them to provide highly efficient and effective legal advice. ’
- ‘Denis Fosselard - technical excellence and business pragmatism.
- 'Very skilled court advocates.’
- 'Always deliver a high-quality product or advice.'
- ‘Highly regarded team - technically excellent and takes the time to understand the business needs.'
Key clients
- UEFA
- Iliad
- Imperial Brands
- Luxembourg Government
- EU Travel Tech
- Apax Group
- FIFA
- Alfa Acciai S.p.A., Ferreira Valsabbia S.p.A. and Valsabbia Investimenti S.p.A.
- Bank of America
- European Broadcasting Union
- Engie
- Veolia
Work highlights
Assisting, representing and leading FIFA's litigation strategy in actions before multiple national courts and proceedings before competition authorities regarding new rule capping football agents' remuneration.
Assisted Hyundai Motors in relation to the recent investigation by the European Commission into end-of-life vehicles in the car industry closed with a settlement.
Assisted Iliad in relation to its appeal before the General Court against the decision of the European Commission clearing with commitments the joint venture between Vodafone Italia and TIM, Inwit.
Practice head
Denis Fosselard
Other key lawyers
Donald Slater