Arriva Southern Counties was a bus operator in London, Surrey, West Sussex, East Sussex, Kent and Essex in England. It is a subsidiary of Arriva.
Heathrow garage operates London bus route E10.
Heathrow (HE) was originally owned by Tellings-Golden Miller a charter coach operator in England. It was taken over by Arriva Southern Counties in late 2014.
On 1 January 2016, Arriva London took over the operations of Heathrow (HE) garage.