How to find out if a business name is trademarked

How to find out if a business name is already registered - Quora
Company name or businessnameis same thing but brand nameis different from company name. for example if we talk about internet startups like

How to Find Out If a Name Has Been Trademarked - Legal
Howto Get Logos Trademarked. Consider trademarking your company’s logo if the logo is a unique design that is essential to your business. A trademark is an insignia that is legally protected as intellectual property that only you can use, entitling you to legally stop others who inadvertently.

3 Low Cost Ways to Find Out If a Business Name is Taken
Abusiness that doesn’t have a name may be likened to a child without a name. For instance; imagine you knew a child that didn’t have a name- which rarely never happens. On the contrary, if it does happen, chances are that you would be worried about howto get the child’s attention since he or she.