The decision most SMEs hit at around 10 to 50 staff.
For a long time, people matters get handled by the owner, the office manager or the finance lead. Then the team grows, employment law tightens, and the questions get harder: a grievance, a sickness case, a restructure, a handbook that is years out of date. At that point most small businesses ask the same thing: do we hire someone to own HR, or do we bring in outside support?
Both can be the right answer. It depends on your size, how much HR activity you actually have, and how much risk you are carrying. Here is the honest version, including the bits a recruiter trying to fill an HR vacancy will not tell you.
