just doing a bit more research on this during a lazy New Years Day afternoon ....
seems one part of the company have the ontract for running the Station Link service -
So, seems ROL is quite an interesting public transport 'play'....
(seems the piece of info on Zaks website concerning BMT takeover is dated three days before the actual RNS came out....
24 DECEMBER 2006:Zak’s Bus and Coach Services Ltd is pleased to announce that it has acquired the operations and certain assets of Birmingham Motor Traction Ltd. and Birmingham Motor Traction (North) Ltd. This purchase will enable the further consolidation of the Central Connect network throughout the West Midlands.)