Now owned by Capita plc who also own ParkingEye. Mainly use Paper tickets on cars at Hospitals or Colleges. Wait for a Notice to Keeper where you can.
Car Parking Partnership Ltd (Company number 06931699) is owned by Capita and is dormant. It did change its name to Glyde Ltd on 19/03/2018 which might be related to the Capita sell-off that has been proposed.
More on this company on the main PADI website.
Notice to Keeper
Company number: 02920033
Address: 17 Rochester Row, London SW1P 1QT