Contact

For all enquiries please contact our Swiss office.

Mr. G. Patrick Gruhn
Grand Rue 114
CH-1820 Montreux
Switzerland

Phone +41 21 943 75 55
Fax: +41 21 943 62 58

Email hept@hept.ch

London Representation
145-157 Saint John Street
EC1V 4PY London
United Kingdom