Royal Mail delivers goods in the afternoon. Royal Mail The main businesses of Royal Mail Group are British parcels, international letters (UKPIL) and General Logistics System (GLS). In the UK, Royal Mail Group operates under the Royal Mail and Parcelforce Worldwide brands. Outside the UK, GLS is one of the largest ground delay parcel delivery networks in Europe, which provides geographical diversification for the profits of Royal Mail Group and is the growth engine of the Group. GLS is expanding its business in the European market and occupying high-growth areas outside Europe through targeted acquisitions.