All their operations come under their parent, Xelagroup Ltd.[3][4] Xelabus was founded in November 2010 by Gareth Blair, after finishing a CPC course with the Chartered Institute of Logistics and Transport in Bristol.

[5] Vehicles are painted in a green livery similar to that of the former Hants & Dorset company that used to run in the region until 1983 when it was dissolved.

[10]On 12 May 2014, Xelabus took over route 67 Winchester to Petersfield via West Meon from Velvet under contract to Hampshire County Council.

[12] Between January and August 2015, Xelabus acquired the routes and school services of Velvet and Brijan Tours when both of them went into administration.

[16][17] A month later, the company was awarded the contract to run the X21 to the Chilworth Science Park by the University of Southampton.

[22][23] These routes previously were contracted to Yellow Buses, and were covered by Wilts & Dorset for two weeks as the former fell into administration.

[24][25] In August 2022, five public services within Hampshire were cut from the network due to rising costs and low patronage.

[7][15] In 2017, Xelabus ordered several 8.9m ADL Enviro 200s from Mistral Bus and Coach sales, an investment of over £0.5 million.