From the website: Tiscali UK is part of Tiscali SpA., headquartered in Cagliari, Italy and is one of the largest and fastest-growing Internet communication companies in Europe, providing access, content, applications and services to over 20 million regist... moreFrom the website: Tiscali UK is part of Tiscali SpA., headquartered in Cagliari, Italy and is one of the largest and fastest-growing Internet communication companies in Europe, providing access, content, applications and services to over 20 million registered users.