About Antonia Horrocks

Antonia Horrocks is a consultant at Webb Henderson bringing over 25 years’ experience as a dual-qualified New Zealand and UK competition law specialist. She combines deep private practice and regulatory insight, having advised on global mergers, cartel cases and market investigations at leading firms in London and Brussels. At the UK Competition Commission and CMA, she led complex merger and enforcement cases. She returned to New Zealand as the General Manager of the Competition Branch at the NZCC from 2016 to 2024, overseeing competition enforcement, mergers and major legislative reform including cartel criminalisation, a new market power test and market studies.

Contributions to Global Practice Guide

Merger Control Law and Practice in New Zealand

Chambers and Partners make no representation or endorsement of the quality and services supplied by companies or firms that may be found on this website. In no event will Chambers and Partners be liable for any damages including, without limitation, indirect or consequential damages, or any damages whatsoever arising from use or loss of use, data, or profits, whether in action of contract, negligence or other tort action, arising out of or in connection with the use of the website.