Northeast Switzerland

Your contacts

Vlonja Morina

Regional manager

Moira Hegi

Backoffice manager

Services in the region Northeast Switzerland

From our regional office in St. Gallen we provide the cantons Appenzell Inner-Rhodes, Appenzell Outer-Rhodes, Graubünden, St. Gallen, Schaffhausen and Thurgau with the following services: building cleaning, garden and site maintenance, technical maintenance and infrastructural services.


Indoor cleaning and care
Window and façade cleaning
Major cleaning
Construction site and building cleaning

Area & Plants

Landscaping maintenance
Paved surface maintenance
Winter services
Indoor plants

Technics & Building

Technical building management
On-call technical services
Building maintenance / Building services
Health, Security, Safety & Environment (HSSE)

Infrastructure & Services

Reception and Helpdesk
Office support
Housekeeping and Catering
gammaRenax Ltd. | Supply and Disposal Services

gammaRenax AG
Vadianstrasse 59
9001 St. Gallen 
Tel. +41 71 525 01 70

Opening hours:
08.00 – 12.00 Uhr
13.00 – 17.00 Uhr

Piquet number:
Tel. 0848 277 777



gammaRenax AG
Quellenstrasse 34
5330 Bad Zurzach
Tel. +41 44 277 77 77