Rona Bar-Isaac > Addleshaw Goddard > London, England > Lawyer Profile

Addleshaw Goddard

Work Department



Partner, competition group specialising in UK and EC competition and regulatory law. Advises UK and international clients on a wide range of competition law matters in both Brussels and London, including securing of merger clearances, market investigations, investigations of anti-competitive agreements, abuses of market power and in the context of anti-trust litigation. Represents clients across a variety of sectors, including consumer goods, financial services, media, water and energy.


Trained and qualified (1996) at Lovell White Durrant; Lovells 1996-2002; Denton Wilde Sapte 2002-2004; Wilmer Hale 2004-2010; Addleshaw Goddard 2010 to present; Ofwat (secondment) 2014.




Law Society European Group; Competition Law Association.


South Hampstead High School (Academic scholar); Pembroke College, University of Oxford (1994 Mathematics and Philosophy BA, 1st class); College of Law, London, (1995 CPE), (1996 LPC with distinction).


Family, arts, walking.

Lawyer Rankings

London > Projects, energy and natural resources > Water

(Leading individuals)

Rona Bar-IsaacAddleshaw Goddard

Addleshaw Goddard‘s team advises clients on a spectrum of water-related issues, with particular focus on Ofwat’s new project finance model, the Direct Procurement for Customers (DPC). In addition to financing expertise, the firm supports clients with M&A and regulatory issues. Team leader David Shaw is a project finance specialist and has advised major clients including Anglian Water and United Utilities on DPC projects. He is assisted in such matters by newly promoted partner Philip Dupres. Rona Bar-Isaac is a competition and regulatory specialist, handling contentious and non-contentious matters, including CMA investigations. Associate Joanne Holbrook assists with matters of environmental compliance, regulatory investigations and civil claims.

London > Corporate and commercial > EU and competition

(Leading individuals)

Rona Bar-IsaacAddleshaw Goddard

Addleshaw Goddard has a compact but dedicated competition team in London, supported by the wider firm’s network across the UK and internationally. The team has ‘the bandwidth to deal with all types of competition work’; the ‘technically excellentBruce Kilpatrick  is known for his expertise in merger control. Mark Molyneux  heads the competition litigation practice from Manchester, while Rona Bar-Isaac has a depth of experience in complex market investigations.

London > Dispute resolution > Competition litigation

Addleshaw Goddard‘s competition disputes practice draws considerable praise from clients, which turn to the team for its capabilities in regulatory appeals and high-stakes proceedings before the CAT and the High Court. Practice chair Mark Molyneux is a ‘superb strategist‘ who regularly handles high-stakes follow-on damages actions in a range of sectors, while the ‘brilliantBruce Kilpatrick‘s recent engagements include administrative and opt-in collective proceedings before the CAT and the CMA. Rona Bar-Isaac is noted for her ‘calm leadership and excellent judgment‘ in energy sector judicial review challenges. Paul Chaplin, who joined the team from Hogan Lovells International LLP in February 2022, specialises in cross-border group actions.