dot com company vs dot com

dot com company and dot com both are nouns.

Word	Noun	Adjective	Verb	Adverb
dot com company	Yes	No	No	No
dot com	Yes	No	No	No

As nouns, dot com company and dot com are synonyms defined as:

dot com company and dot com: a company that operates its business primarily on the internet using a URL that ends in `.com'

Other synonyms of dot com company include dot-com.

dot com company (noun)	dot com (noun)
a company that operates its business primarily on the internet using a URL that ends in `.com'	a company that operates its business primarily on the internet using a URL that ends in `.com'