dot-com vs dot com company

dot-com and dot com company both are nouns.

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

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

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

Other synonyms of dot-com include dot com.

dot-com (noun)	dot com company (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'

dot-com (adjective)	dot com company (adjective)
of or relating to an internet company