Founders usually ask this question as a number. At 20 people? At 50? After the next funding round? The honest answer is that headcount is a weak signal. A 25-person company hiring ten people a quarter, with three first-time managers, can need structure sooner than a stable 60-person team where everyone has worked together for years.
A better question is: which people decisions are starting to break?
Five signals that matter more than headcount
1. The founder is still the default answer
Leave approvals, salary exceptions, a manager who wants to let someone go, a new joiner who wants a title change. If routine people decisions keep landing on the founder or senior leadership, decision rights have not grown with the company. This is usually the first and most expensive signal, because the founder’s time is the scarcest resource in the business.
2. Managers handle the same situation differently
One manager documents a performance concern. Another mentions it casually and moves on. A third escalates immediately. None of them is wrong in isolation, but employees notice the inconsistency long before leadership does.
3. Basic workforce questions take three spreadsheets
How many people joined last quarter? Who is still on probation? Which roles are open, and for how long? If answering these needs someone to reconcile several trackers, employee data and lifecycle steps are relying on memory.
4. Hiring is always urgent
When every vacancy becomes an emergency, the problem often starts before sourcing: the role outcome is unclear, interviewers want different things, or nobody owns the final decision.
5. Policies are discovered when someone breaks them
A policy written after an incident tends to be reactive and narrow. A policy nobody can find might as well not exist. Either way, managers start improvising, and one-time exceptions quietly become precedent.
Growth creates HR debt quietly. You notice it when the informal system stops scaling, usually all at once.
“Needing HR” does not always mean hiring a head of HR
Once the signals show up, there are three broad shapes of support. Most growing companies need a mix, in a sensible order.
| What is breaking | What usually fits first |
|---|---|
| Decisions, roles and processes have never been designed | A defined project to build the foundation: role clarity, core processes, a focused policy set |
| Daily HR load is swallowing someone’s week | An HR generalist or HR operations hire to run the system once it exists |
| Leadership needs periodic senior judgement, not a full-time role | Fractional HR advisory on a defined monthly scope |
The order matters. Hiring an HR executive into a company with no defined processes often produces a very busy person who spends the year rebuilding the same tracker. Building the system first gives that hire something to run.
A typical pattern
Consider an illustrative company of around 45 people that has doubled in eighteen months. It has five team leads, most promoted from individual roles. The founder still approves every salary change. Appraisals happen once a year and everyone is rated highly. Two resignations in the same team arrive within a month, and the reasons “never quite add up”.
This company does not need a 70-page transformation programme. It needs a short list of things built properly:
- A one-page role outcome for each team lead: top accountabilities, decisions owned and key interfaces.
- Clear rules on which people decisions team leads can make without escalating.
- A recurring 1:1 rhythm with simple guidance on feedback and documentation.
- One reliable employee-data source plus a joining, change and exit checklist.
- A focused set of core policies that match how the company actually operates today.
None of these is heavy. Each one is simply repeatable, which is the point.
A quick self-check
Count how many of the five signals above apply to your company today.
- 0–1: Keep an eye on it. Write down who decides what before the next hiring push.
- 2–3: The informal system is under strain. Pick the two signals that cost the most time and fix those first.
- 4–5: HR is mostly person-dependent. Start with a structured diagnosis rather than a new hire or a new tool.
If you want a more structured answer, the free Company HR Health Check scores six areas in about five minutes and shows the one or two worth fixing first. The Founder’s HR Starter Kit sets out the minimum viable version of each system.