DX (Group) plc (trading as DX and DX Freight) is a British mail, courier and logistics company, with operations throughout the United Kingdom and Ireland.
With operational hubs and head offices in Ditton Park (Head Office), Bristol, Northampton, Nuneaton, Warrington, Willenhall and Dublin, plus more than 3,000 staff, DX’s network covers most UK and Ireland business and residential addresses.
Established in 1975 during the Royal Mail postal strikes of the 1970s, DX Group has been in private ownership since 2006 and combines DX Network Services Ltd, DX Secure (previously Secure Mail Services (SMS)) and, as of 15 March 2012, DX Freight, previously known as Nightfreight GB until its acquisition in 2012.