# Competition And Markets Authority Cma > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed August 23, 2026. > The Competition and Markets Authority (CMA) is the UK ’s principal authority responsible for competition and consumer protection. It enforces competition and market regulation by investigating cases, providing rulings, issuing penalties and supporting government and other market regulators. Its aim is to ensure that markets work well. - Business Profile: https://optimly.ai/brand/competition-and-markets-authority-cma - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://instituteforgovernment.org.uk/ - Logo: https://logo.clearbit.com/instituteforgovernment.org.uk - Slug: competition-and-markets-authority-cma - Category: Competition and Consumer Protection Regulatory Agencies - Last Analyzed: August 23, 2026