The RCA Label Group UK main office is in Kensington, London:

9 Derry Street
London
W8 5HY

Switchboard: 020 7361 8000

The nearest London Underground station is Kensington High Street, which is on the District and Circle lines.

For details of International Sony BMG offices, please refer to www.sonybmg.com.

If you're actually looking for BMG Publishing, who used to be based in Bedford House, you need these details:

1st Floor, 20 Fulham Broadway
London
SW6 1AH
Switchboard: 020 7835 5344