How do you go about changing a family owned business name? What actions would you need to take?

It is a chriopractic, family owned business. What actions would need to be taken to change the name of the business? For example do we contact the banks? Do we need the %26quot;city%26#039;s%26quot; permission? Thank you for the help!|||You would have to do it through the court system. You would need an attorney. The attorney would send the neccessary letters to the banks and other people you do business with.