How many employees should an organi

How many employees should an organization have before there is a need for an Human Resource department? As organizations grow, there is a need to administer the Human Resource function, but that doesn't necessitate an Human Resource department. There are variations to this them in some organizations where recruiting has been a major activity, there may well be a need to have an Human Resource administrator or "benefits Clerk" and a recruiter. But in most small companies an Office Manager can suffice.