A fractional controller is an experienced accounting leader who runs your monthly close, reporting, and financial controls on a part-time basis. You get controller-level accuracy without paying a full-time salary. For a lot of businesses between $1M and $20M in revenue, it is the step that comes after a bookkeeper and before a full finance team.
I hear from owners in this spot all the time. The business has grown, the books have gotten more complex, and the bookkeeper who was perfect at $800K in revenue is now underwater at $5M. Hiring a full-time controller feels like a big jump. Here is what the role covers, what it costs, and how to tell when you need one.
A controller owns the accuracy of your financial records. Where a bookkeeper records transactions, a controller makes sure the whole system is right: that every account is reconciled, that revenue and expenses land in the right period, that there are controls to catch mistakes and protect cash, and that the reports you read each month can be trusted.
A part-time controller does that same job for several companies at once, working a set number of hours each month for each one. You get senior experience, scaled to what your business needs today.
The close is the process of finishing a month’s books so the numbers are final. A good controller gets it done on a schedule, usually within the first two weeks of the next month. When the close drags to 45 or 60 days, the numbers are too old to steer by.
Every bank, credit card, and loan account gets matched to the books. Expenses and revenue get recorded in the month they belong to, not just when cash moves. That is the difference between cash-basis books and accrual-basis books, and lenders and buyers almost always want the second.
You should get a P&L, balance sheet, and cash flow statement every month, plus a short list of the numbers that matter most for your business. We wrote about which ones in the five KPIs every business should track monthly.
Who can approve a payment? Who can add a vendor? Who reviews payroll before it goes out? A controller sets simple checks so one person can’t make a costly mistake, or worse, without someone noticing.
Clean, reconciled books make tax season faster and cheaper with your CPA. They also make it far easier to get a loan approved or get through a buyer’s diligence when the time comes.
The simplest way to think about the three roles: a bookkeeper records the transactions, a controller makes sure the records are right, and a CFO decides what to do with them.
Most growing businesses need all three layers at some point, but rarely all at full time. A common setup is a bookkeeper for day-to-day entry, a part-time controller to close and review each month, and a fractional CFO for forecasting, cash planning, and big decisions. We break down the controller and CFO roles in more detail in fractional CFO vs controller.
Start with the full-time comparison. In Charlotte, the average base salary for a financial controller is about $109,000, with most falling between $77,000 and $148,000, according to Payscale’s September 2026 data. That is before benefits, payroll taxes, and the time it takes to recruit and train.
Part-time controller support is usually priced as a monthly retainer for a set scope and number of hours. Published pricing for small and mid-sized businesses commonly falls somewhere between $2,000 and $7,500 a month, depending on transaction volume, the number of entities and bank accounts, your software, and how fast you need the close.
Price is only part of the comparison. A controller who has closed books for dozens of companies has seen the problems before, and often brings a process you would otherwise have to build from scratch. Our fractional CFO cost guide covers how pricing works when you combine controller and CFO support.
If you are looking at September’s numbers in November, every decision is based on old information.
When the P&L doesn’t match what you see in the bank, or a number swings wildly month to month for no clear reason, the books likely need a controller’s review.
Good bookkeepers get overwhelmed when a business adds locations, entities, inventory, or job costing. It usually means the role has outgrown one person’s time and skill set. We covered the warning signs in seven signs you’ve outgrown your bookkeeper.
If tax season starts with weeks of catch-up entries, you are paying for cleanup that a monthly close would prevent.
Lenders want accrual-basis statements they can trust, delivered on time. A controller gets you there.
Buyers look hard at the quality of your books. Two or three years of clean, consistent monthly closes make diligence smoother and protect your price.
If one person controls payments, payroll, and reconciliations with no review, it is time for basic controls.
Look for someone who has worked with businesses your size and in your industry, who will commit to a close date each month, and who explains the numbers in plain language. Ask how they work with your existing bookkeeper and CPA. The best fit makes your current team better rather than replacing it.
It also helps to have a CFO in the same room. When the controller and CFO work together, clean numbers turn straight into decisions without a handoff. That is how we structure our operational accounting work at Fuse.
It depends on your transaction volume and complexity. Many small and mid-sized businesses need somewhere between 10 and 30 hours a month.
Yes. Most of the work happens in cloud accounting software and shared files, with regular video check-ins.
Often, yes. The bookkeeper handles daily entry and the controller reviews, reconciles, and closes. Some businesses have the controller’s team handle both.
No. A controller keeps the books accurate so your CPA can file faster and with fewer questions. Fuse partners with your CPA rather than replacing them.
If your close is slow, your reports surprise you, or your bookkeeper is stretched, let’s talk it through. Book a 30-minute call with Gregg and you’ll leave with a clear read on whether you need a controller, a CFO, or both, and what it would take to get your books where they should be. Book your call with Gregg.
A quick one from Gregg
Your business grew. Did your finances keep up?
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