The number of fractional CFO firms is up in 2026. They often look similar, but actually differ quite a bit in practice. A bad fit costs you time and money. Asking firms the questions below can help you avoid the wrong fit in the first place.
1. What’s included in your fee?
If you’re comparing multiple firms, make sure you’re comparing apples to apples, because some firms offer more services than others. Also, some firms bring better reporting and forecasting tools than others. Make sure you know what’s included in each quote, and what’s not.
2. Will I work with the same person every month?
A rotating staff means you’re re-explaining your business every quarter. Ask who specifically will be on your account, how long they’ve been with the firm, and what happens if that person leaves. You want a consistent core team who knows your business.
3. What do the first 90 days look like?
A CFO who can’t describe their onboarding plan probably doesn’t have one. Ask what they’ll do in week one, month one, and month three. The answer should include getting your books current, building your first reporting package, and identifying improvement opportunities.
4. Do you handle bookkeeping and controller-level work, or only the CFO layer?
Most growing businesses need some blend of bookkeeping, controller, and CFO support, not just one layer. If a firm only does CFO-level strategy, you’re still responsible for finding and managing the bookkeeper and controller separately, and coordinating between all three. We’ve worked with clients who hired a CFO-only firm first, then had to bring in a second firm within a year just to keep the books clean enough for the CFO’s numbers to mean anything.
5. What software do you work inside?
Your CFO should work inside the accounting software you already use, not force you onto a new platform. Ask specifically which tools they support.
6. Can I see an example of the reporting I’d actually get?
All sales pitches sound good, but monthly reports can vary widely in practice. Ask to see a sample. You’re looking for professional reports that provide useful information.
7. What happens if it’s not a fit?
Ask about the contract length, the notice period, and what it costs to leave. A firm confident in its work will have a short commitment and an easy exit.
8. How do you communicate between meetings?
Financial problems don’t wait for the monthly call. Ask how quickly they respond to questions, whether you’ll have direct access to your CFO, and what the escalation path looks like if something urgent comes up.
9. What’s your experience with businesses my size, in my industry?
Ask about their specific experience: revenue range, industry, and what kinds of problems they’ve solved for businesses like yours. General financial knowledge matters, but relevant practical experience is what gets you to the right answer faster.
10. Can I see your pricing before I book a call?
Many firms make you sit through a sales call (or multiple) to get a quote. Transparent pricing published upfront lets you compare options honestly before you spend an hour on a call.
Any one of these questions can be answered on the spot by a firm that knows what it’s doing. If you get a vague answer, a defensive answer, or no answer at all, you’ll get the same thing during their long-term engagement.
What This Looks Like at Sentinel Finance Group
We built Sentinel Finance Group around the answers we’d want to hear ourselves. A few specifics:
Full-service at every stage. Bookkeeping through CFO-level strategy under one team, so you’re never switching firms as you grow or paying CFO rates for work that’s really bookkeeping.
Every experience level on the team. You get bookkeeper, controller, and CFO expertise together, not just one layer with the rest left for you to coordinate.
A US-based team. Nothing is outsourced overseas.
A consistent core team. You get real depth and attention from people who know your business, not staff that cycles every few months.
A true partnership, not a vendor. Hands-on leadership inside your business, not reports generated from a desk.
Flexible to your setup. We can support the team you already have, help you hire, or run your entire finance function.
Transparent pricing. You can see the cost before you ever book a call.
The terms are just as straightforward. The first month is free, with no long-term contract. The model is built to scale for the needs of $1M-$50M businesses, and we start the day you sign, not after a 4-6 month hiring process.
Clients tell us they see immediate improvements in visibility, decision-making, and accountability. During your free month, we identify financial blind spots, strengthen reporting, and uncover opportunities. Stronger margins, healthier cash flow, and better forecasting typically build over the first few months.
Schedule a conversation with Sentinel Finance Group.
Eric Reinacher is a fractional CFO who brings over a decade of financial leadership experience working with growing companies. He helps business owners improve financial visibility, make better decisions with their numbers, and build businesses that increase in value. LinkedIn
Sentinel Finance Group is a Kansas City-based fractional CFO firm providing financial leadership, controller, and accounting services to $1M-$50M businesses across the US.
FAQ
What questions should I ask before hiring a fractional CFO?
Ask what’s included in the fee, whether you’ll work with the same person consistently, what the first 90 days look like, whether they also cover bookkeeping and controller work, what software they use, what their reporting actually looks like, the contract terms, how they communicate between meetings, their experience with businesses your size and industry, and whether pricing is available upfront.
How much does a fractional CFO cost in 2026?
Fractional CFO services generally run $3K-$12K a month depending on scope, compared to $16K-$42K a month for a full-time CFO once salary, bonus, and benefits are included.
What’s a red flag when interviewing a fractional CFO firm?
Vague answers about pricing, an inability to name who specifically will work on your account, long-term contracts with steep exit costs, and no example of actual reporting are all signs to look elsewhere.
Should a fractional CFO firm also handle bookkeeping and controller work?
Most growing businesses need some blend of all three. If a firm only provides CFO-level strategy, you’ll either be paying CFO rates for bookkeeping work or you’ll be responsible for separately managing bookkeeping and controller support and coordinating between providers.
How long should a fractional CFO contract be?
Short-term commitments with an easy exit are a good sign. A firm confident in its work doesn’t need a long lock-in to keep your business.
Is my business too small to need a fractional CFO in 2026?
Fractional CFOs typically work with businesses generating $1M to $50M in annual revenue, though the right time to hire depends more on the complexity of your financial decisions than on revenue alone.
