"A company" refers to a business, but "keeping someone company" refers to spending time with someone in companionship (a feeling of friendship).
What does it mean to keep company?
Definition of keep company with : to spend time with (someone) He keeps company with the rich and famous. [=They have been spending time together in a way that shows romantic interest.]
What does it mean to give someone company?
Filters. (idiomatic, dated) To harangue, criticize vigorously, berate, or ridicule someone.
What does I'll keep you company mean?
to stay with someone so the person is not alone: I kept him company while he was waiting for the bus.
What does it mean to keep good company?
phrase. If you say that someone is in good company, you mean that they should not be ashamed of a mistake or opinion, because it is shared by many others, or by someone important or successful.
Can someone keep me company?
The phrase "Keep me company" refers to having someone who wants to spend time with you so that you are not alone and have someone who wants to be with you for that space of time.