Should I use agency's or agencies?

Answer:
Agency's and agencies are the same thing, just one uses proper grammar and the other doesn't. Agency's either means "agency is" or it means something belongs to (an) agency (agency's clients). Agencies is the correct plural of agency.
First answer by Celindine. Last edit by Celindine. Contributor trust: 56 [recommend contributor recommended]. Question popularity: 18 [recommend question].