banking company vs banking concern

banking company and banking concern both are nouns.

Word	Noun	Adjective	Verb	Adverb
banking company	Yes	No	No	No
banking concern	Yes	No	No	No

As nouns, banking company and banking concern are synonyms defined as:

banking company and banking concern: a financial institution that accepts deposits and channels the money into lending activities

Other synonyms of banking company include bank, depository financial institution.

banking company (noun)	banking concern (noun)
a financial institution that accepts deposits and channels the money into lending activities	a financial institution that accepts deposits and channels the money into lending activities