METRIC Group: UK Manufacturer of Parking and Ticketing Systems and Solutions The METRIC brand is synonymous with parking in the UK and worldwide. We have installed more than 60,000 parking meters in over 45 countries. Wherever parking control and integrity matter, trust METRIC to deliver the system for success. When it comes to parking management control, no one offers more flexibility than METRIC. That’s why METRIC’s pay and display systems control more than one million car parking spaces in 1,000 towns and cities around the world. METRIC Group Ltd are proud to be not only a UK manufacturer of parking machines, but we also design and deliver on-bus ticketing solutions for public transport.