Short answer: Most companies feel the strain somewhere between 10 and 20 employees. But headcount isn't the real trigger — missed approvals, unclear leave balances, and managers losing visibility into who's off are. If none of those are happening yet, a spreadsheet is still fine.
If that sounds familiar, you don't need "HR software" in the way most people mean it. You need something much smaller: a clear way to request, approve, and track time off.
What actually signals it's time
Headcount is a proxy, not the real trigger. These are the actual signals:
- Approvals are getting missed. A request sits in Slack or email and nobody replies for days.
- Managers can't see team availability. Two people on the same team book the same week off, and nobody notices until it's too late to fix.
- Balances are unclear. Someone asks "how much leave do I have left" and the honest answer is "let me check the spreadsheet."
- Admin work is creeping. Updating the spreadsheet, chasing approvals, and reconciling balances starts taking a real chunk of a week — not because the work is hard, but because it's manual.
If none of these are happening yet, a spreadsheet is still fine. There's no prize for adopting a tool early.
What "not yet" looks like
- You have fewer than 10 people and one person tracks everyone's time off without much effort.
- Leave requests get answered the same day, informally, without confusion.
- Nobody has ever double-booked time off or been surprised by a balance.
If that's you, wait. The tool should solve a problem you actually have.
Why "HR software" is the wrong category
Search for HR software and you'll find products built for companies with dedicated HR headcount, multi-level approval chains, payroll integrations, and compliance modules for regulations that don't apply to a 15-person company. None of that solves the actual problem — it adds a new one: now you have to configure and maintain a system built for a company five times your size.
What small teams need is narrower: employee operations, starting with PTO. Requests, approvals, balances, and visibility into who's off. Nothing else, at least not yet.
What does it cost to wait too long?
The cost isn't dramatic. Nobody misses payroll because of a leave spreadsheet. The cost is quieter — a manager approving a request without seeing that three other people are already out that week, or a founder spending twenty minutes reconciling a balance that should have taken twenty seconds. It adds up, and it's easy to not notice until you're already well past the point where it started.
What should you look for when you do switch?
Look for | Skip |
|---|---|
A tool that does one thing well | A suite that does twelve things adequately |
Setup that takes an afternoon | An implementation project |
Clear visibility for managers | A database only HR can query |
Flat pricing that doesn't punish growth | Per-seat pricing that taxes every new hire |
Frequently asked questions
Is there an exact employee count that means I need HR software?No. There's no fixed number. Most companies feel it between 10 and 20 employees, but the real signal is behavioral — missed approvals, unclear balances, and lost visibility — not headcount on its own.
Can I keep using a spreadsheet past 20 employees?Yes, if it's still working. Some teams run spreadsheets comfortably past 20 people; others feel the strain at 12. Watch the signals above rather than a number.
Do small teams need full HR software, or just PTO tracking?Most small teams only need PTO and leave tracking — requests, approvals, balances, and visibility. Full HR software adds compliance modules, payroll integration, and approval hierarchies built for much larger companies.
What should I look for in a lightweight PTO tool?A tool that does one thing well, sets up in an afternoon, gives managers clear visibility, and prices flatly rather than per seat.
The short answer
There's no exact headcount. But if you're somewhere between 10 and 20 people and you're seeing missed approvals, unclear balances, or admin work that's quietly grown past a few hours a week, that's the signal — not a number on a chart.
You don't need HR software. You need something built for exactly this stage: Teamper — simple PTO management for growing teams, without the weight of a system built for a company you're not yet, and might never need to be.