The dating service for singles Once was launched in October 2015 and immediately became very popular in Europe. At the beginning of 2018, the company officially opened its branch in the U.S. and became widespread in the dating market of America. The dating service Once is owned by Once Dating AG and its headquarters is in Switzerland. It has been featured in a number of major media outlets (mostly European), including Vanity Fair, GQ, and Boursorama Lifestyle. There is no doubt about the legitimacy of the Once site. Moderators and artificial intelligence vet all accounts here. Inappropriate content, such as nudity, discrimination, or insults, is strictly forbidden. Users under 18 years old are also forbidden to join.