When does an SME need a CFO? Six signs you've outgrown DIY finance

The mistake most owners make with a CFO isn’t hiring one too early. It’s waiting too long — running a $10M business on the same finance setup that worked at $2M, until a cash surprise or a bad decision forces the issue.

Here are six signs you’ve crossed the line.

1. You’re surprised by your own cash position

You check the bank balance and it’s lower than you expected, or a tax bill or supplier payment lands that you didn’t see coming. If cash regularly surprises you, you don’t have a forecasting problem you can fix with a spreadsheet — you have a missing function. A CFO runs a rolling cash view so the next twelve weeks are never a surprise.

2. You can’t say which work is actually profitable

Ask yourself: which clients, products, or jobs make you money once you load the real costs — labour, materials, overhead allocation? If the honest answer is “I’m not sure,” you’re flying blind on the single most important question in the business. This is acute in construction (job-level margin), e-commerce (SKU and channel margin) and professional services (engagement profitability), but it bites everywhere.

3. Decisions stall waiting for numbers

A hire, a new ute or machine, a lease, an expansion — and the analysis to support the decision either takes weeks or never happens. Opportunities pass while you wait for clarity that no one’s job is to produce.

4. Your reporting only looks backward

Your accountant gives you year-end accounts. Your bookkeeper gives you a P&L. Both look at what already happened. If nothing in your business looks forward — forecasts, scenarios, “what if we win this contract” — you’re driving by the rear-view mirror.

5. You’re making big calls on gut feel

Gut feel built the business and it matters. But once the numbers are big, gut feel alone is expensive. A 1% margin slip on a $15M business is $150K. Overhead creeping 2% unnoticed is another $300K. At this scale, decisions deserve the numbers behind them.

6. Finance is eating your evenings

If you’re the de facto CFO — doing the analysis at 9pm because no one else can — that’s the clearest sign of all. Your time is the most expensive and most constrained resource in the business, and it’s being spent on work a dedicated function should own.

Why fractional usually fits first

If two or three of these ring true, you need the CFO function. You probably don’t yet need a full-time, $200K-loaded CFO — that only makes sense when the role is genuinely full-time work, usually well into eight figures.

A fractional CFO gives you the seniority and the decision layer on a fixed monthly fee, scaled to what the work actually needs, working alongside your existing bookkeeper and accountant. You add the function now, at the point it starts paying for itself, and grow into a full-time hire later if you ever outgrow it.

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Fahy Advisory provides fractional CFO services to ambitious SMEs across Brisbane, Queensland and Australia — a monthly board pack, a live dashboard, and a real advisor, without the headcount. See how it works or book a discovery call.