If the correspondence you received came from noreply@21.co.uk.com or 21.co.uk, please contact us through LiveChat.
Otherwise, the message you received is likely from one of 21.co.uk's partners promoting our Welcome Bonus. If you have already used your Welcome Bonus, please disregard the email/SMS and apologies for any inconvenience. You may opt out from receiving future correspondence from that partner if you prefer. Check out our promotions page for up-to-date offers.