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

London > Corporate and commercial > EU and competition

(Leading individuals)

Rona Bar-IsaacAddleshaw Goddard

The ‘top-tier’ team at Addleshaw Goddard is lauded for its capabilities in assisting clients on a broad range of competition and antitrust issues. The practice enjoys a stellar reputation among clients and peers alike, earning further praise for possessing the ‘bandwidth to deal with multi national complex issues’. Rona Bar-Isaac  leads the firm’s Retail and Consumer team and provides the full range of advice in complex market investigations. The London team has been bolstered by the arrival of Paul Chaplin, who joins from Hogan Lovells International LLP, and managing associate Karoline Phillips, who joins from Baker McKenzie. Former national practice head Bruce Kilpatrick left for Linklaters in autumn 2023.

London > Industry focus > Retail and consumer

With a large team and significant national presence, Addleshaw Goddard is well placed to advise on the full range of retail and consumer sector issues. Acting for global conglomerates, start-ups, and family-owned businesses, the team’s expertise covers supply chain management, brand employment, digitalisation, and real estate matters. The team is jointly led by Andrew Rosling and Rona Bar-Isaac; the former is a seasoned M&A expert and has a particular specialism in joint ventures, while the latter takes point on competition matters, handling merger clearances and abuse of dominance claims for large retailers and consumer goods corporates. ‘Technically strong‘ Shakeel Dad, who is based in Leeds, is recommended for his employment expertise, while Georgina Powling, also based in the same office, acts on the full spectrum of contentious and non-contentious intellectual property matters. Daniel Sweeney handles transactional real estate mandates.

London > Dispute resolution > Competition litigation

The ‘outstandingMark Molenyeux heads the team at Addleshaw Goddard, which is known for its ‘tremendous knowledge and experience’. The group handles a broad array of issues, including opt-in claims and class actions. Molyneux frequently acts for defendants in follow-on damages claims and allegations of anticompetitive agreements. Having acted in judicial reviews of CMA decisions, Rona Bar-Isaac has a great deal of knowledge surrounding abuse of dominance claims. Paul Chaplin is particularly adept at acting in predatory pricing claims within the energy, financial services, and transport sectors.