There are 12 airports in Switzerland. The most significant hubs are in the capital, in Geneva and in Zurich. There is airport Kloten in Zurich. If you are in transit and want to go beyond the terminal, you will need a Schengen visa. To get from Kloten airport to Zurich, use public transport and taxi.
If you come to Switzerland for business purposes, please use the transfer service. At GetTransfer.com you will find a car business and premium class, as well as be able to rent a car with a personal driver.