The company was established on 15 March 2002 to inherit the partial business of the Kanto Railway's bus department.

Service areas are based in Ishioka, and a part of bus routes are operated on Tsuchiura.

Service areas of the company have many tourist resources, including Ibaraki Airport, Kairaku-en, and Mount Tsukuba.

This company was established on 26 September 1978 to inherit the partial business of the Kanto Railway's bus department.

As part of the business efficiency, the Tsukuba Kita office (Shimotsuma Branch) of Kanto Railway was transferred to Kantetsu Melon Bus on 1 June 2001.