US: https://www.ftc.gov/enforcement/report-antitrust-violation antitrust@ftc.gov EU: https://competition-policy.ec.europa.eu/antitrust/contact_en comp-greffe-antitrust@ec.europa.eu UK: https://www.gov.uk/guidance/tell-the-cma-about-a-competition-or-market-problem general.enquiries@cma.gov.uk India: https://www.cci.gov.in/antitrust/ https://www.cci.gov.in/filing/atd