Sir Paul McCartney was knighted by the queen in 1998.
Sir Paul McCartney currently lives in New York City*sighs* He has several residences and predominantly makes the UK his home.
The Beatles, Wings
By writing to the MPL office in Soho Square, London.
He maintains an office in London; his company is MPL Communications (McCartney Productions Ltd.). If he is on tour, pay attention to the advertising details. Chances of getting through to him...