ARM only design the chips and license the designs, they don't manufacture anything. (IP is nothing to be sniffed at, but if you want something physically made here, you'll have to look elsewhere). All the things I can think of that are still made in UK have an image of "Britishness" which is key to the brand. Cars - Bentley, Mini, Aston Martin, Rolls Royce, Jaguar, Land Rover (of course all foreign owned) Guitar amps - Marshall, Orange Bikes - Brompton, Pashley