Operakällaren is owned by Nobis Hospitality Group, one of Scandinavia’s leading groups in the hospitality industry. The operation includes first-class hotels, restaurants and nightclubs, conference and event venues, catering and fast-food services with other renowned brands such as the night club Café Opera, the design hotels Hotel J, Hotel Skeppsholmen, Miss Clara and the historic Stallmästaregården and many other exciting meeting venues.