what is cost controller?

Question

what is cost controller in hospitality?

Answer 1

an accountant who sums up all the costs of the company.

Answer 2

You have controllers or comptrollers (old version of the word) that are accountants. That could be one meaning of the phrase.

Also, you could be talking about key drivers to business performance, like the cost of food for a restaurant.

It depends on the context you are taking it from.