Isabelle has substantial experience in the application of the EU competition rules and counsels clients active in a wide range of sectors on antitrust risk and business compliance issues. She provides strategic advice regarding merger control, cartel and abuse of dominance investigations, assisting clients in EU, Member State and foreign proceedings. She also regularly counsels clients in relation to their pricing strategies and commercial ventures including distribution, licensing and joint ventures.

Isabelle has been recommended for many years as an expert in EU competition law matters by Chambers Europe and Chambers Global, in particular for her business-minded and practical approach to finding legal solutions for clients. She has been recognised as being 'responsive' as well as 'able to give advice that suits the situation' . She is 'valued by clients' for 'making very complicated law seem very simple' and clients describe her as 'precise, to-the-point, focused and also very creative'. She has also been recommended by European Legal Experts, Practical Law Company (PLC) and The Legal 500 EMEA ,which noted that 'Isabelle is an excellent adviser and easy to understand'.