Keystone provides expert advice to clients navigating complex competition issues including antitrust, mergers, litigation and regulation. Led by former CMA CEO, Andrea Coscelli, Keystone’s London office boasts a strong and growing team of 30+ talented economists and technologists with decades of collective experience across consultancy, regulatory agencies, and industry – working alongside 100+ US economists and data scientists. The team uniquely combines economics with insights from business strategy and technology to deliver rigorous analysis for high-stakes matters. Globally, Keystone has played a significant role in landmark antitrust matters, delivering precedent-setting economic and technology analysis using its deep expertise in search, ad tech, mobile ecosystems and Gen AI.