A new study by an influential business school challenges the perception that, in Spain at least, the biggest and most successful companies cannot be owned or controlled by families. Indeed, the main conclusions of Empresa Familiar: Ni Tan Pequeña, Ni Tan Joven (The Family Company: Neither Too Small Nor Too Young) are that there are more large, family-owned companies than not and, on average, they tend to last longer than companies with different kinds of ownership.