G M S Building Services Ltd

20-22 Wenlock Road, London, N1 7GU

1 St James's Square, St, James's, London, SW1Y 4PD

16 GREAT QUEEN STREET, COVENT GARDEN, London, WC2B SAH

5th floor Synergy House, 114 Southampton Row, London, WC1B 5AA

London

10-11, Ascot Parade, Clapham Park Rd, London, SW4 7EY

33 Cavendish Square, London, W1G 0PW

592 Harrow Road, London, W10 4NJ

Suite G04 1 Quality Court, Chancery Lane, Essex, WC2A 1HR

Sycamore House 4 Old Town, London, SW4 0JY