Databroker is an impartial UK list broker providing quality B2B marketing lists including Mailing lists, Email & Telemarketing Data. Request a FREE sample. Databroker Ltd (a UK B2B marketing list broker) has no self-service opt-out form. To request access, erasure, or to stop direct marketing you must email compliance@data-broker.co.uk (their stated preferred method) or write to their Altrincham address; they say they will respond within one month. Note they warn that after erasure they may contact you again since no suppression record of you will remain, so re-check periodically.