guys i live in small studio flat i need a cleaner for here ! any idea about prices and where can i find?

Many!
A quick search has come up with


http://www.englishforum.ch/jobs-want...hlight=cleaner

http://www.englishforum.ch/jobs-want...hlight=cleaner

http://www.englishforum.ch/jobs-want...hlight=cleaner

Please use the search feature in future. When you've completed your market research, you may wish to advertise for a cleaner locally to you. Go here read the sticky on how to post, and best of luck.