Working in association with the Rail Delivery Group, which represents all operators across the country, Sqills will replace the existing national reservation system (NRS) over an 18 month period.

From December 2020, the system will allow passengers to reserve seats from 21 operators in Britain, as well as on services operated by Irish Rail, Eurostar, Thalys, Ouibus and Ouigo which are also connected to the S3 Passenger services.