Royal Mail Group plc (Welsh: Post Brenhinol; Scottish Gaelic: a' Phuist Rìoghail; Cornish: Postya Riel) is a British postal service and courier company, originally established in 1516. The company's subsidiary Royal Mail Group Limited operates the brands Royal Mail (letters) and Parcelforce Worldwide (parcels). General Logistics Systems, an international logistics company, is a wholly owned subsidiary of Royal Mail Group.