What can I do if I have a complaint? Here are the relevant Complaints Policies based on the entity you are registered under: → Trading 212 UK Ltd. Complaints Policy → Trading 212 Markets Ltd. Complaints Policy Should you need further assistance, you can contact the Trading 212 Team. Related articles Who regulates Trading 212? Can you manage my account? How to verify my account? Why haven’t I received a free share after participating in the promotion? How can I change my residential address?