not necessarily.
they are registered separately, but a good store name is very important and must be easy for people to remember. Some companies may have many restaurants, because it is ok to use different names for different types.
The names of catering companies should reflect the characteristics of the catering industry as much as possible, and use words related to the catering industry as much as possible, so as to facilitate the company's publicity and customer recognition. Some catering companies' names are far away from the catering industry, and the names often require strange requirements, which requires a lot of advertising in the later stage.