Reports have suggested Manchester City, Arsenal and Tottenham are all eyeing moves for the former West Brom man this summer.
Valero, who only joined Fiorentina last summer from Villarreal, has impressed at the Artemio Franchi and the player's agent, Alejandro Camano, insists the playmaker is happy to stay at Fiorentina.
"Borja is very happy to stay in Florence and in Fiorentina," Camano told tuttomercatoweb.com. "I believe that at the time he is among the best players not only in Italy but also in Europe.
"Borja Valero has reached the right maturity to be part of any top club, but his goal is to get in the Champions League with the Fiorentina shirt.
"The future? Currently I cannot know the future. But I repeat that Borja Valero is very happy with Fiorentina and has no other thoughts."