Holmes Environmental Ltd

167-169 Great Portland Street, 5th Floor, London, W1W 5PF

The Wheelhouse Angel Court, 81 St. Clements Street, Oxford, OX4 1AW

47-49 Park Royal Rd, london, NW10 7LQ

Building 3, Chiswick Park, 566 Chiswick High Road, Chiswick, W4 5YA

Transport Avenue, Brentford, TW89HA

Eastbury Road, Kingston-upon-Thames, KT2 5AL