When Should an SME or Startup Hire Its First CFO?

The signals that mean it's time — before a fundraise forces the question.

There comes a point in most startups' and SMEs' journeys when the question of a CFO stops being hypothetical. The trouble is, most founders don't get a clean signal telling them it's time — they just start noticing things are breaking.

When does the confusion arise?

Typically, this moment arrives when the founder or promoter becomes too occupied running the operations of the business to also run its finances. While buried in day-to-day operations, a few warning signs tend to show up together:

• Customers who pay late — or haven't even been billed yet.
• Suppliers not paid on time, who start giving the founder a hard time in return.
• High-cost loans sitting on the books, quietly compressing margins.
• Statutory filings pushed back again and again, until penalties start showing up.

Individually, any one of these could just be a bad month. Together, they're a pattern: the finance function has outgrown ad hoc attention, and no one owns it end-to-end anymore. (If you've read our piece on Fractional CFO vs Financial Controller vs Accountant, this is usually the point where a company has an accountant handling Layer 1 transactions, but nobody covering Layers 3 through 5 — budgeting, analysis, and strategy.)

Should the company jump headlong into hiring a CFO?

Recognizing the problem is the easy part. The harder part is what to do next — and here, most companies overcorrect.

Hiring a first CFO is a major decision, and a wrong one is expensive in two separate ways. There's the direct financial cost. And there's the fact that, in most cases, it takes 6 to 12 months before a founder even realizes the hire isn't working. That's not just lost time — it's time that then has to be spent a second time, recovering from the decision before the company can move forward again.

For a company that isn't yet at the size or complexity to know exactly what kind of CFO it needs, jumping straight to a full-time hire means making a high-stakes, hard-to-reverse decision with incomplete information. That's precisely the trap we laid out in Should a Company Hire a Fractional CFO?: the stage where you most need financial leadership is often the stage where a wrong full-time hire hurts the most.

What is the right way to move forward?

Rather than hiring a full-time CFO on a guess, most SMEs and startups are better served by bringing in a fractional CFO first.

A fractional CFO can set up the people, processes, and systems the finance function needs — closing the gap on those four warning signs — while giving the founder something a full-time hire doesn't: time. Time to see, with actual evidence rather than a guess, what kind of personality and skill set would genuinely be the right fit for a permanent CFO in this specific company.

In practice, this means the fractional engagement does double duty. It fixes the immediate problems — billing discipline, supplier payment cycles, debt structuring, filing compliance — while simultaneously acting as a low-risk trial run for what a full-time role should eventually look like, if and when the company is ready for one.

The takeaway

There's rarely a single clean moment that tells a founder "hire a CFO now." What there usually is, instead, is a cluster of symptoms — unbilled customers, unpaid suppliers, expensive debt, late filings — signaling that finance has outgrown improvisation. The mistake most companies make isn't failing to notice this. It's responding to it by making the single highest-risk decision available: a full-time hire, made under pressure, with no real basis for knowing who the right person is.

A fractional CFO turns that high-stakes bet into a lower-risk, reversible first step — one that fixes today's problems while building the evidence base for tomorrow's permanent hire.