How Many Employees Before You Need HR?

This is one of the most common questions we get from business owners, usually phrased something like: "We're only at nine people, we don't really need HR yet, right?"

The honest answer is that you have needed HR since you hired your first employee. What changes as you grow is not whether HR applies to you. It is how much of it applies, and how expensive it gets to be wrong.

Here is the actual breakdown.

At 1 Employee

The moment you have one W2 employee, a long list of obligations kicks in. Most owners are surprised by how much of it starts immediately.

• Wage and hour law. Federal minimum wage and overtime rules under the FLSA, plus Michigan's minimum wage, which is currently $13.73 per hour and scheduled to rise to $15.00 on January 1, 2027.

  
  

• I-9 verification. Every single hire, completed on time, retained properly.

  
  

• Michigan's Earned Sick Time Act. ESTA applies to employers with one or more employees. Employers with 10 or fewer provide up to 40 hours of paid earned sick time per year. At 11 or more, that rises to 72 hours. Accrual is one hour per 30 hours worked. Note that your headcount for this test includes all employees nationwide, not just the ones in Michigan.

  
  

• Michigan's Elliott-Larsen Civil Rights Act. Michigan's discrimination protections start at one employee, well before the federal thresholds do. This surprises almost everyone.

  
  

• Payroll tax registration, wage statements, and recordkeeping.

  
  

• Workplace safety under MIOSHA.

  
  

• Workers' compensation, generally required once you have three or more employees at any one time, or one employee working 35 or more hours per week for 13 or more weeks.

If you have one employee, you have a compliance obligation. Not a small one.

At 15 Employees

Federal anti-discrimination law arrives.

• Title VII of the Civil Rights Act: race, color, religion, sex, and national origin.

  
  

• The Americans with Disabilities Act: including the obligation to engage in an interactive process and provide reasonable accommodations.

  
  

• GINA: genetic information protections.

This is the point where a complaint can become a federal charge, and where "we handled it informally" stops being a defensible answer.

At 20 Employees

• The Age Discrimination in Employment Act, protecting workers 40 and older.

  
  

• COBRA, requiring continuation of group health coverage after certain qualifying events.

At 50 Employees

• FMLA, if you have 50 or more employees within a 75 mile radius. Twelve weeks of job-protected leave, plus all the certification and administration that comes with it.

• The ACA employer mandate, which applies at 50 or more full-time equivalent employees and carries real penalties for getting coverage wrong.

This is the threshold most people have in mind when they picture "needing HR." It is also the point where doing it informally becomes genuinely risky.

At 100 Employees

• EEO-1 reporting.

  
  

• The WARN Act, governing advance notice for mass layoffs and plant closings.

  
  

So When Do You Actually Need HR Support?

Headcount is the wrong trigger. Here are the signals that actually matter.

You have hired your first employee. At minimum you need correct classification, an offer letter, an I-9, a payroll setup, and a written sick time policy. That is a one-time setup, not a full-time role.

You are hiring regularly. Once hiring is a recurring activity rather than an occasional event, inconsistency creeps in fast. Different offer letters, different pay decisions, no documented reason for either.

You have a manager who is not you. The moment someone other than the owner is making decisions about people, you need written expectations and some baseline training. Most small business legal exposure traces back to a well-meaning manager who did not know what they could not say.

Someone has raised a concern. A complaint about a coworker, a manager, pay, or scheduling. How you handle the first one sets the pattern for every one after it.

You are about to fire someone. This is when owners call us most often, and usually a little later than they should have.

Turnover is climbing and you cannot explain it. That is a diagnostic problem, and it is rarely solved by guessing.

You are crossing 11, 15, 20, or 50 employees. Each of those numbers changes what applies to you. Crossing one without noticing is a common and expensive mistake.

What "Having HR" Can Actually Look Like

Here is the part that gets lost: needing HR does not mean hiring an HR person.

Most businesses under 50 employees do not have enough HR work to justify a full-time salary, but they have far more than zero. That gap is where things go wrong, because the work gets handed to whoever has bandwidth. Usually, the office manager or the controller who do not have the proper skillset and knowledge of HR.

Realistic options at a small scale:

• A one-time setup and audit. Get your documents, classifications, and policies right, then operate from there.

• Fractional HR. Ongoing access to an HR professional for a fraction of the cost of a hire. Someone who knows your business, handles the recurring work, and picks up the phone when something happens.

• A trained internal owner with outside backup. Someone on your team owns the day to day, with a professional to escalate to on the harder calls.

  
  

The Bottom Line

The question is not "how many employees before I need HR." You needed it at employee one.

The real question is how much you need, in what form, and at what cost.

The businesses that get burned are almost never the ones who thought carefully and chose a lightweight option. They are the ones who assumed HR was a problem for later, then found out otherwise during a complaint, an audit, or a termination that went sideways.

If you are not sure which thresholds you have already crossed, that is worth an hour of someone's time before it becomes worth a lot more.

This is general information, not legal advice. AlphaDog HR Solutions provides fractional HR for small and mid-size businesses that need real expertise without a full-time hire. If you are not sure what applies to you at your current headcount, let's talk.