Here is a trusted and up-to-date list of FCA-approved forex brokers, which means they are officially authorized and regulated by the Financial Conduct Authority (FCA) in the UK to offer forex and CFD trading services.Top FCA-Approved Forex Brokers (2025)Broker NameFCA License NumberKey FeaturesIG Markets Ltd195355Oldest UK broker, wide range of forex pairs, professional toolsCMC Markets UK Plc17..