Tips are automatically included on all hotel and restaurant bills, as well as on most taxi fares.
It is neither necessary nor expected to leave an extra tip.
You can at your own discretion if you so wish, just round up the final figure. See link for more info:
http://tinyurl.com/swisstip
Enjoy your holiday to Switzerland lynbrown. You'll enjoy it, it's a nice country. Try and get up one of the mountains on a cable car if you can for breathtaking views.
I went to Leysin - Lake Geneva region mid 1980s.
I will go back one day.