go out of business
To cease operating as a commercial business, typically because there is not enough commercial activity to cover costs and make a profit. No, Tom's Hardware went out of business years ago. These massive retail chains have caused a lot of smaller companies to go out of business.
go out of business
to stop doing commerce or business. The new shop will probably go out of business if sales don't get better. I have to work hard to keep from going out of business.