The seven signals
None of these alone means you need a CFO. Two or more usually means you already needed one.
1. You are raising in the next six to twelve months
Investors will want a model, a metrics pack and a data room. Building them in the final month shows, and a lead investor's analyst will find the seams. Starting six months out gives you two or three closes of clean history to point to.
2. Your board asks for numbers you can't produce with confidence
If preparing for a board meeting takes a week of spreadsheet work, or the same metric comes out differently each quarter, the reporting isn't built yet. It's being rebuilt every time.
3. Cash decisions start with checking the bank balance
Looking at the account before approving a hire is a sign you need a forecast, not more caution. A rolling cash forecast turns “can we afford it?” into a number.
4. Your systems disagree
When HubSpot, Stripe and QuickBooks give three different customer counts, nobody trusts any of them, and every metric built on customers inherits the doubt. We wrote about why this happens and how to fix it.
5. You are about to make your first finance hire
Someone CFO-level should define the role, set up the systems and hand over something that works. Otherwise your first hire spends six months rebuilding what they inherited.
6. Pricing or packaging is about to change
A price change touches conversion, churn, expansion and cash timing at once. It deserves a model before it ships and a measurement plan after.
7. The founder is the finance team
If the CEO spends evenings in spreadsheets, that is the most expensive finance function the company has.
What finance usually looks like by stage
| Stage | Typical finance setup |
|---|---|
| Pre-revenue | A bookkeeper and a CPA. Occasional help on the model and the raise. |
| Up to about $1M ARR | Bookkeeper, CPA, and a founder who owns the numbers. Light fractional help before a raise. |
| $1M to $20M ARR | Bookkeeper or accounting firm, plus a fractional CFO for reporting, metrics, cash and the board. |
| $20M+ ARR | An in-house controller and, often, a full-time CFO. Fractional help for specific projects. |
What it costs to wait
The cost of hiring late rarely shows up as a line item. It shows up as time and leverage:
- A raise that slips a quarter because the data room isn't ready.
- A churn number in the board deck that is double the real one because failed payments were counted as cancellations. More on that in failed payments aren't churn.
- A runway that looked like 24 months but included next year's prepaid cash twice.
- A marketing budget set for another year on a CAC payback nobody checked.
When you don't need one yet
Be wary of anyone who says every company needs a CFO. You probably don't need one yet if you are pre-revenue with a simple model, your books are behind and you need a bookkeeper first, or you have no decisions in the next six months that turn on the numbers.
In those cases, a few hours of help on the model and a good bookkeeper are the better spend. If you're unsure, book a call; we'll tell you honestly which one you need.
Common questions
At what revenue should a SaaS company hire a fractional CFO?
Usually between $1M and $3M in ARR, or about six months before a fundraise, whichever comes first. Below that, a good bookkeeper and occasional advice are often enough.
Should I hire a fractional CFO or a controller first?
Most SaaS companies hire a bookkeeper first, then a fractional CFO, then a controller as transaction volume grows. A fractional CFO can define the controller role when it is time.
