Northfleet depot runs a mixture of commercial and tendered services in Dartford, Gravesend and surrounding areas.

As of February 2025, the Arriva Kent Thameside fleet consists of approximately 39 vehicles.

Northfleet currently operate the following bus services:[2] Northfleet ran the ArrivaClick demand responsive service which covered Darent Valley Hospital, Bluewater, Greenhithe, Swanscombe and Ebbsfleet Valley[3] using Mercedes-Benz Sprinter vehicles until its withdrawal on 31 December 2024.

[4] This is currently replacing the previous corporate livery which was aquamarine with a cream "cow-horn" at the front with a dark blue skirt.

[6] On 10 November 2024, Go-Ahead London took over the Fastrack routes which will introduce electric buses by April 2025.