20 Thayer Street
London
W1U 2DD

Telephone: +44 (0) 20 7408 1114
Email: london@coh.eu

President Buildings
Savile Street East
Sheffield
S4 7UQ

Telephone: +44 (0) 114 296 0099
Fax: +44 (0) 114 249 0700
Email: sheffield@coh.eu