First in Berkshire & The Thames Valley carries over 7 million passengers each year on a network of local and inter-urban bus routes serving Maidenhead, Slough and Windsor.
Services also operate into Buckinghamshire and Surrey and to Heathrow Airport. First operates the Reading and Guildoford to Heathrow Airport RailAir links.
- Number of buses: 53
- Number of Commercial routes: 9
- Depots: Slough and Reading (RailAir)
First Beeline Buses Limited. Registered in England and Wales No. 02179403. Registered office: Empress Road, Southampton, SO14 1JW .