Postmaster General of the United Kingdom was a Cabinet ministerial position in HM Government. Aside from maintaining the postal system, the Telegraph Act 1868 established the Postmaster General's right to exclusively maintain electric telegraphs. This would subsequently extend to telecommunications and broadcasting.

The Royal Mail Group Limited, trading as Royal Mail, is a British postal service and courier company. It is owned by International Distributions Services. It operates the brands Royal Mail and Parcelforce Worldwide (parcels). The company used the name Consignia for a brief period in the early 2000s but changed it afterwards.