Deloitte Switzerland is a world class professional services firm with a strong international reputation. Deloitte Switzerland has more than 1,000 professionals operating out of 6 cities: Basel, Bern, Geneva, Lausanne, Lugano and Zurich (headquarters). We are committed to being the leading professional services firm in Switzerland and already have one of the largest management consulting businesses in the country. In 2006 Deloitte Switzerland merged with Deloitte UK.