The dragonforce ransomware group listed GB Mail on its data leak site on 2025-11-07. Country: GB Sector: Professional Services Domains named: gb-mail.co.uk Claim as published on the leak site: GB Mail is a privately owned and leading mailing house located centrally in the home counties. With a strong ethos of delivering mail with no fuss, on time and in full, the company boasts a dedicated and knowledgeable team passionate about all aspects of print and mail. Their services include storage & fulfilment, postal solutions, print personalisation, database cleansing, international mail, direct mail, and subscription mail.