It is a known fact that one significant ranking factor on Google is if the keywords are in the domain. Granted this factor can be heavily outweighed by a multitude of other ranking factors but nonetheless it is factored in. This thread is not to discuss the importance of this factor.
Many businesses may go the route of choosing a unique, memorable domain for branding purposes, Amazon or Google being the most famous that come to mind. If you search for 'insurance' the #1 site currently is Allstate not insurance dot com.
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Digital Agency|Seo