Royal Mail plc (Scottish Gaelic: a' Phuist Rìoghail, Welsh: Post Brenhinol) is a postal service company in the United Kingdom. Royal Mail was 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.The company provides mail collection and delivery services throughout the UK.