All services under the company come under its operating certificate, however the buses run under a multitude of brands.

[4] In August 2003 the Go-Ahead Group purchased the business of Wilts & Dorset, including its Damory Coaches and Tourist Group subsidiaries,[5] followed in July 2005 by Southern Vectis including its Solent Blue Line subsidiary.

[8][9] Thamesdown Transport was purchased from Swindon Borough Council in February 2017.

[10] All public bus services come under local brands, which have distinct liveries.

As at May 2023, Go South Coast operated over 850 buses and coaches from thirteen depots.