Expertise
Rona is a Partner and heads Addleshaw Goddard's competition and regulatory team. She has advised clients on a wide range of competition law, economic regulation and FDI matters, including anti-trust litigation for almost 30 years. She co-leads the firm's Retail and Consumer drawing on her long experience working with FMCG and Retail clients, but also has breadth of experience advising in regulated sectors including water, telecoms/media, transport and energy.
Highlights include:
- Antitrust enforcement cases –most recently including pharmaceuticals and construction but also airport parking, bunker fuels, dairy, tobacco,
- Very varied litigation experience ranging from acting for JD Sports in relation to Sports Direct claim concerning Newcastle FC replica kit, Allergan at the Court of Appeal in relation to hydrocortisone through to leading a successful Court of Appeal judicial review of a CMA regulatory decision in the energy sector for SSE
- Market studies, investigations and consumer work – cost of living, supermarket loyalty cards, Fuel Markets Investigation (for Co-op), Children's Social Care
- Mergers, including advising Coop on the sale of its petrol forecourt business to Asda and BII on numerous acquisitions and disposals in East Africa
- Publications
- Languages
- French - Good command
- Hebrew - Good command
- Testimonials
"Clients say Rona Bar-Isaac is strong in all areas. She has experience in a range of matters including investigations and damages cases and has sector expertise within the regulated industries, including water and telecommunications." Chambers (2015)
"Rona Bar-Isaac is regularly called upon to advise on market investigations. Clients report that she has a strong knowledge of competition law and an eye for detail." Chambers Europe (2015)
"Widely acclaimed as a rising star in this area." Chambers (2013)
"Commercial and practical." The Legal 500
- Professional Memberships
- The Law Society
- Recognition
- Hot 100 2020
- Lexology Global Elite Thought Leader

Rona Bar-Isaac is included in The Lawyer's Hot 100 2020 report, recognising the most "daring, innovative and creative lawyers".