The phrase "business whose" is correct and usable in written English.
You would use it when you want to describe a business, e.g. "We visited the business whose store had been damaged in the storm."
Today, of course, pornography has become a mainstream business whose profits go to tax-paying companies.
This content has been sponsored by Direct Line for Business, whose brand it displays.
Sharing ideas in a business whose livelihood is built on selling concepts is unusual.
This is a business, whose main commodity is a living, breathing animal.
A financial services company is a business whose prime purpose is to increase its revenue.
Index funds are a low-margin business whose performance is easily measured.
Muds are a commodity business whose buyers are few and powerful.
It is the wealth creators in finance and business whose greed most offends us.
Producing and distributing illegal drugs is a highly organised business, whose effects are felt throughout society.
Is there a particular business whose fate speaks volumes about the state we're in?
A Manning-led drive is brisk and all business, whose outcome seems virtually inevitable from the outset.
