Tell someone at a barbecue that you're thinking about hiring a fractional CFO and watch their face. Half the time they hear "a fraction of a CFO" and picture someone who only shows up from the waist up on video calls. The other half assume it's a fancy name for a bookkeeper.
Neither is right, and the confusion matters, because owners who hire the wrong role for the problem tend to be disappointed by perfectly good people.
So here's a plain answer to "what is a fractional CFO," plus a clear list of what one doesn't do, so you can tell whether it's the help you actually need.
What is a fractional CFO, exactly?
A CFO (chief financial officer) is the person responsible for a company's financial strategy: where cash is going, whether the business can afford its plans, how it's financed and what the numbers mean for decisions.
A fractional CFO does that job for several companies at once, each on a part-time basis. You might get a few days a month, a monthly planning meeting with work in between, or more time around a big event like a loan, a raise or an acquisition.
The appeal is simple. A growing business with $3 million in revenue often needs CFO-level thinking well before it can justify a full-time CFO salary, benefits and office. Fractional gives you the thinking in the amount you need.
What a fractional CFO typically handles
The work varies by business, but fractional CFO services commonly include:
- Building and maintaining a cash flow forecast and a budget
- Modeling decisions: hiring, pricing, a second location, a big equipment purchase
- Setting the KPIs (key performance indicators, the handful of numbers you track to see how the business is doing) and reviewing them monthly
- Preparing for and sitting in on bank, lender or investor conversations
- Helping the owner think through financing options and their effect on cash
For a fuller picture of how those hours get spent, our piece on what a fractional CFO actually does all month walks through a typical month.
What a fractional CFO is not
This is the part that saves the most frustration.
A fractional CFO doesn't do your bookkeeping. They need categorized, reconciled transactions to work from, but entering bills and matching bank feeds is a different job with different skills. A CFO spending their hours on bank reconciliations is like hiring an architect and asking them to sweep the job site.
A fractional CFO isn't a controller either. A controller owns the accuracy of the books: the monthly close, the reconciliations, the review, the internal controls. The CFO looks forward and uses those numbers. The two roles get mixed up constantly, and our guide to controller vs CFO sorts out who owns which problem.
A fractional CFO isn't your tax preparer. Tax returns and tax planning belong to your CPA. A good CFO will coordinate with the CPA and flag questions, but the tax calls are the CPA's to make.
And a fractional CFO isn't a fundraising magician. They can build a credible model and prepare you for investor or lender questions. They can't make a business fundable that isn't.
A quick example of the role in action
Say you own a 20-person staffing firm doing about $6 million a year. Payroll goes out weekly, but clients pay on net 30 or net 45. You're growing fast, which means the gap between paying workers and getting paid keeps widening.
A bookkeeper records all of it accurately. A controller makes sure the close is done on time, receivables are reconciled and the reports are right. A fractional CFO takes those reports and answers the questions that keep you up: how big a credit line do we need to fund this growth, what happens to cash if our largest client pays 15 days late, and should we take that new contract at a lower bill rate?
Three roles, three different questions. You may not need all three yet, but it helps to know which one you're actually missing.
How fractional CFO services fit with the rest of your accounting
A CFO's advice is only as good as the numbers underneath. That's why ABFI builds advisory on top of a working accounting department: bookkeeping, controller oversight and a monthly close, all coordinated by a Client Accounting Manager. Our fractional CFO services sit at the top of that structure, so the forecasts start from reconciled books.
If you're curious how higher-level accounting work changes what owners can do with their numbers, our earlier article on how advanced accounting services help your business covers the broader picture. And if the next question in your head is "what will this cost?", our breakdown of fractional CFO cost explains what drives the price.
Questions owners ask
Is a fractional CFO worth it for a small business?
It tends to be worth it when you face decisions with real money attached (hiring, financing, pricing, expansion) and nobody on the team owns the forward-looking numbers. If your books aren't accurate yet, fix that first, since a CFO's work depends on them.
How many hours does a fractional CFO work per month?
It varies widely by engagement. Some work a few hours monthly around a planning meeting; others spend several days a month during a financing or rapid growth period.
What's the difference between a fractional CFO and an outsourced accountant?
An outsourced accountant usually handles recording and reporting. A fractional CFO uses those reports to plan and advise. Many businesses need the accounting foundation before the CFO layer makes sense.
Not sure which role you're missing?
If you're stuck between "we need a CFO" and "we need our books to be right first," that's a good conversation to have out loud. Request a consultation and we'll look at where your numbers stand and which part of a finance team would help most right now.