The honest answer is that you probably need CFO-level thinking before you can afford a full-time CFO. That gap is where most startups struggle.

There are signs that indicate you need strategic financial help. You’re heading into a fundraise and can’t confidently explain your unit economics. Cash keeps getting tighter even though revenue is growing. You’re making pricing or hiring decisions based on gut feel because the financial models don’t exist. Investors are asking questions about runway, burn rate, or forecasts and you’re guessing at the answers.

A bookkeeper keeps your transactions organized. A startup accountant makes sure your books are accurate and compliant. A CFO does something different. They help you understand what the numbers mean, build forecasts that actually inform decisions, prepare for capital raises, and spot problems before they become emergencies.

Full-time CFOs typically make $200,000 to $400,000 or more in total compensation. That kind of expense only makes sense when you have the revenue and complexity to justify it. For most startups, that means post-Series B, or when you’re past $10 million in annual revenue, or when you’re managing complex operations across multiple business lines.

Before that point, fractional CFO support gives you the strategic finance help you need at a fraction of the cost. You get someone who can build your financial model, prep your board deck, manage your fundraise, and help you think through major financial decisions without the full-time salary and equity commitment.

The mistake founders make is waiting too long. By the time you’re in a capital raise or facing a cash crunch, you’re playing catch-up. Getting CFO-level help a few months before you need it gives you time to build the financial foundation that makes everything else go smoother.

If you’re at the point where financial decisions feel like guesswork and the stakes are getting higher, that’s when you need CFO help. Whether that means full-time or fractional depends on your stage and budget.