You can buy them directly at the brewery :
Thursday : 10AM - 12PM / 2PM - 6PM
Friday: 10AM - 12PM / 2PM - 6PM
Saturday : 10AM - 12PM (except during the school summer holidays)
Chemin de Maronsy 50 - 1228 - Plan-les-Ouates
The Virage Beers are also available in bars, coffee shops, restaurants or shops around Geneva.