× Welcome to the new website for QDOS-sbl, Connecting London, Telnet and Nomis Connections, now all operating as part of the Ridgewall Group. Should you have any queries please speak with your Account Manager, or contact us on 0800 2800 365 or at info@ridgewall.co.uk Our Services Our Solutions Customers & Sectors News & Resources About Us Our Partners Contact & Support Connecting London Ltd are now operating as part of the Ridgewall Group Should you have any queries please speak with your Account Manager, or contact us on 020 7407 1335 or at info@ridgewall.co.uk