If there is any disagreement, you have the possibility of initiating a concillation procedure with the ombusman's office.
sensusplus AG has joined the following ombudsman's office:

OFS Ombud Finance Suisse
Rue du Conseil Général 10
CH-1205 Geneva

Tel. +41 22 808 04 51
This email address is being protected from spambots. You need JavaScript enabled to view it.
http://www.ombudfinance.ch