It commenced operating open top tours in Bath with Bristol VRTs and an AEC Routemaster.

[1] In June 2004, the business was purchased by Ensignbus, who transferred its existing City Sightseeing operations in Cardiff, Eastbourne and Windsor to become part of Bath Bus Company.

[1][4][5] A service was started in March 2013 that linked Bath with Bristol Airport and branded 'Air Decker'.

[6] On 21 November 2014, the company began a short-term service between Bristol and Bath using the country's first bus powered entirely by human and food waste.

The biomethane gas is generated at Bristol sewage treatment works in Avonmouth, which is run by GENeco, a subsidiary of Wessex Water.