International Distribution Services PLC is a holding company, which is engaged in providing postal and delivery services across its extensive networks. The Company operates through its subsidiary, Royal Mail Group Limited (RMGL), and General Logistics Systems B.V. (GLS). RMGL operates the parcels and letters delivery business under the Royal Mail and Parcelforce Worldwide brands. Through the Royal Mail Core Network, the Company delivers a one price goes anywhere service on a range of parcel and letters products. Royal Mail has the capability to deliver to around 32 million business and residential addresses in the United Kingdom six days a week. Parcelforce Worldwide is a provider of express parcel delivery services. The Company’s customer includes consumers, sole traders, small and midsize enterprises (SMEs), large businesses, and access operators. Its other subsidiaries are RMGLS Holdco Limited, Royal Mail Estates Limited, and RM Property and Facilities Solutions Limited.