GB Railfreight (GBRf) is a rail freight company in the United Kingdom. As of 2022, it is owned by the global investment company Infracapital. GB Railfreight was established in April 1999 as the rail freight operating subsidiary of the train operating company GB Railways. It was granted an operator's licence in June 2000, and started running Intermodal container trains in February 2002; the haulage of other freight traffic commenced later that year. GBRf acquired numerous Class 66 locomotives to haul its trains; another early type would be the Class 20 and Class 73 locomotives. In August 2003, GBRf, via its parent company GB Railways, was acquired by FirstGroup; it was later rebranded as First GBRf. In 2005, it began running services for Royal Mail and Metronet; two years later, First GBRf