Rona Bar-Isaac


Rona specialises in UK and EU competition and regulatory law, including in relation to securing merger clearances, market investigations, investigations of anti-competitive agreements, abuses of market power and in the context of antitrust litigation at the Competition Appeal Tribunal, the High Court, the Administrative Court and the European courts.

Rona has particular expertise in regulated industries, including water. She advised on the Albion Water case, which continues to be the leading case on competition in the water industry and has spent time on senior secondment in the legal team at Ofwat. She regularly advises businesses in the sector on competition law and related regulatory matters.

Rona was featured as a 'Rising Star' in Euromoney's 2016 guide: The World’s Leading Practitioners Chosen by Their Peers. She is also recommended in Legal 500, and Chambers and has been described as "widely acclaimed as a rising star in this area".

Contact details

020 7160 3357

Areas of Practice


Year Qualified



Pembroke College, University of Oxford
College of Law, London


Competition Law Association
Law Society Competition Section


Mathematics and Philosophy BA (1st class)