Marble Arch Records was a subsidiary of Pye Records that released budget records from the late 1950s, to around 1980. Compact discs were also released from the late 1980s to around 1994.
Background
Pye Records created this subsidiary label with in a type of a mini-album format, with a shorter run than the average LP album, to cater to a certain area of the buying public who would not buy regular albums because of the expense. The name came about because of a famous London location of the same name.
References
Marble Arch Records Wikipedia(Text) CC BY-SA