The Leisure Pass Group is reported to have been sold to its management for £35 million.
The buy out of the tourism specialist, which created and manages smart card pass systems, was backed by Primary Capital whose other investments include Paperchase, the Sunday Times reported.
The company was founded in 1998 as Arrival Marketing, developing into The Leisure Pass Group in 2001. Its passes permit free entry to a large number of selected visitor attractions, with the bonus of special offers and extra facilities for the user.
Passes can include local public transport and come with a free guidebook in five languages.