I need to sell my restaurant business along with the premises in Spain, do I need to inform my landlord or can I just formally do it with the buyer exclusively?

05 Feb I need to sell my restaurant business along with the premises in Spain, do I need to inform my landlord or can I just formally do it with the buyer exclusively?

You cannot do it without offering the business first to your landlord, bearing in mind you need to offer it to him for the same price your potential buyer is offering as the landlord has a legal first refusal right.