Arriva UK Bus

Arriva UK Bus is a major bus operator in the United Kingdom. It is a subsidiary of Arriva which runs transport services across Europe.

Based in Sunderland, Arriva UK Bus operates 5,900 buses in London, the North East, North West and South East of England, Yorkshire, The Midlands and Wales. It employs 16,000 people.

Arriva's bus network in the UK originates from its acquisition of Grey-Green in 1980 and British Bus in August 1996. It has the following operating units:

Fleet livery is aquamarine and blue. Arriva London buses operating services for Transport for London are painted red. Yorkshire Tiger buses are painted in an orange livery and Tiger Blue blue. New Enterprise Coaches retains its existing white and red livery.

in some regions, premium services are operated under the Sapphire brand while interurban services are operated under the Max brand.