sentences:  The ATG Access Membership Scheme will be trialled during 2018 before becoming live in 2019 in all UK ATG venues.In 2013, in order to increase the variety and scope of its operation, ATG acquired the Ticket Machine Group with its key brands, Group Line and LOVEtheatre.com, both of whom continue to be major ticket agencies in their own right in London.Group Line is the leading group sales agency in London offering group bookers access to all ATG venues as well as most shows across the West End.