Your bookkeeper closes the month sometime around the 20th, the P&L does not match what you see in the bank, and your banker just asked for financials that "tie out." You have started asking people whether you need a CFO. That question is usually two steps ahead of the actual gap. What most $2M-$10M businesses are missing at this point is a controller, and the outsourced version of that role costs $2,000-$5,000 a month instead of the $120,000-$200,000 all-in it takes to put one on payroll. Sorting out which of these titles you actually need is the whole job of role clarity, and it is worth doing before you hire anyone.
The real problem: you are asking the CFO question too early
The CFO misdiagnosis is the most expensive title mistake in this category. An owner whose books close late and whose reports are not trustworthy hears "you need someone strategic" and starts interviewing fractional CFOs at $3,000-$8,000 a month. The CFO shows up, looks at the reporting, and says the same thing a controller would have said: the close process is broken and the data is not reliable enough to forecast from. Now you are paying strategy rates for cleanup supervision.
A controller is the person who makes the numbers true. A CFO is the person who makes decisions from numbers that are already true. If you cannot currently trust your own P&L, the CFO has nothing to work with, and the first three months of that engagement will be spent building the thing a controller would have built for less.
There is a version of this that runs the other direction too. Some owners hear "controller" and assume it means a second bookkeeper. It does not. A bookkeeper records what happened. A controller decides how it should be recorded, checks that it was, and produces statements someone outside the business can read without a translator.
What an outsourced controller actually does
An outsourced controller is a firm or an individual who owns the accounting close and the reporting output for your business on a monthly retainer, without being an employee. The scope is usually five things, and it is worth being specific because "controller services" is sold loosely.
Owns the monthly close on a calendar. Books closed by a stated business day each month, typically day 10 to day 15, with the close treated as a deadline rather than an aspiration. This alone is what most owners are actually buying.
Reviews the bookkeeper's work rather than doing it. The controller sets the chart of accounts, defines how transactions get categorized, reconciles or reviews reconciliations, and catches the errors a transactional bookkeeper is not positioned to catch. In most engagements your existing bookkeeper stays and reports into the controller.
Produces statements that survive outside scrutiny. P&L, balance sheet, and cash flow that tie to each other and to the tax return, in a format a banker, a lender, or a buyer will accept. This is the specific reason a controller is the right answer when a lender asks for financials, a point covered in more detail in accountant versus controller for a loan.
Builds the reporting cadence. A standing monthly package, usually including budget-to-actual variance once there is a budget, and whatever operational metrics your business actually runs on: job margin, revenue per location, inventory turns.
Handles the accounting side of transitions. Software migrations, adding a location, changing revenue recognition when the business model shifts, and being the person your CPA talks to at year end instead of you.
What an outsourced controller does NOT do
Bounding the scope prevents the second misdiagnosis, which usually arrives about four months into an engagement when the owner realizes they bought something narrower than they thought.
A controller does not file your taxes. Tax preparation and planning stay with a CPA or an enrolled agent. The controller produces the clean books the CPA needs, which is a different job and usually makes the CPA relationship cheaper.
A controller does not raise capital, build the three-statement model for an acquisition, or negotiate your bank covenant. That is CFO work, and it is the reason the CFO question is worth revisiting once reporting is solid rather than never.
A controller does not run payroll or handle payroll tax filings. That belongs to a payroll provider, and if you have a notice from a taxing authority sitting on your desk that is a separate and more urgent problem than reporting quality.
A controller does not do the initial cleanup. If your books are six months behind or were never reconciled, that is a cleanup engagement first, scoped and priced separately, and a controller who quotes you a monthly retainer without asking about the state of the file is not being careful.
| What you need | Typical cost | Provider type that owns it | Right when |
|---|---|---|---|
| Transactions recorded and categorized | $200-$600 per month ongoing | Bookkeeper | Volume is manageable and the file is already clean |
| Backlog caught up or file repaired | Light $1,500-$3,500; moderate $3,500-$8,000; major $8,000-$20,000 | Cleanup bookkeeper or QuickBooks ProAdvisor | Books are behind, unreconciled, or you do not trust the balances |
| Close on a calendar, reviewed books, lender-ready statements | $2,000-$5,000 per month ($24,000-$60,000 per year) | Outsourced or fractional controller | Revenue roughly $2M-$10M and reporting has to be trustworthy |
| Same, but in-house and full-time | $90,000-$160,000 salary, roughly $120,000-$200,000 all-in | Employee controller | Complexity is high enough to fill a full week, every week |
| Forecasting, capital, covenant and deal work | $3,000-$8,000 per month ongoing; $5,000-$25,000 or $250-$500 per hour for projects | Outsourced or fractional CFO | Reporting is already reliable and the decisions are forward-looking |
Typical ranges, not quotes. Cost varies with transaction volume, number of entities, industry complexity, and the condition of the file at the start.
When NOT to hire an outsourced controller
Three situations where a controller is the wrong first hire, in rough order of how often they come up.
Your books are not caught up. A controller reviewing an unreconciled file is doing cleanup at controller rates. Scope the cleanup first, as its own project with its own price, and start the retainer when the file is current. Any provider willing to sell you both without separating them is worth a second look.
You are under $1M in revenue with a simple model. A single-entity service business at $600K with clean bank feeds usually needs a competent bookkeeper and a CPA who returns calls, not a monthly controller retainer. The controller threshold is more about complexity than revenue, but revenue is the cheaper proxy: multiple entities, inventory, job-level costing, or a lender relationship push you across it earlier.
The actual problem is that nobody is doing the bookkeeping. If your bookkeeper quit and nothing has been recorded for two months, the sequence is bookkeeper first, then controller. Hiring the senior role to backfill the junior one is how owners end up paying $4,000 a month for data entry.
The decision path
- Open your last three closed months. If you cannot find a close date, or the P&L does not tie to the balance sheet, you have a cleanup or bookkeeping problem, not a controller problem. Fix that first.
- If the file is current but the close is late and the statements are not something you would hand a lender, that is the controller gap. Price the outsourced version at $2,000-$5,000 a month against the in-house all-in of $120,000-$200,000 and ask honestly whether the work fills a full-time seat.
- If the close is on time and the statements are trustworthy and the open question is forecasting, capital, or a transaction, that is where the CFO conversation legitimately starts. The distinction is worked through in controller versus CFO.
- If you are still not sure which of bookkeeper, controller, and CFO describes your gap, the three roles are compared side by side in bookkeeper versus controller versus CFO.
Frequently Asked Questions
- How much does an outsourced controller cost per month?
- Typically $2,000-$5,000 per month, which works out to roughly $24,000-$60,000 a year. The range moves with transaction volume, entity count, and whether the engagement includes supervising your existing bookkeeper or replacing them. These are typical ranges, not quotes.
- Is an outsourced controller cheaper than hiring one?
- Almost always, until the work fills a full-time seat. An in-house controller runs $90,000-$160,000 in salary and roughly $120,000-$200,000 all-in with payroll taxes, benefits, and software. The outsourced version costs a quarter to a half of that because you are buying a share of someone's week rather than all of it.
- Can an outsourced controller replace my bookkeeper?
- Some engagements bundle both, but the economics usually favor keeping the bookkeeper. Controller-level hours spent on transaction entry are expensive hours. The more common structure is your bookkeeper stays and the controller reviews, sets the standards, and owns the close.
- What should I ask a controller before signing a retainer?
- Ask what business day the books will be closed by, what is in the standard monthly package, who does the reconciliations, what happens if the file turns out to need cleanup, and whether the price changes when you add an entity or a location. A provider who cannot answer the close-date question in one sentence is selling something vaguer than a controller.
- My banker asked for financials. Do I need a controller or a CPA?
- A CPA prepares and files taxes. A controller produces monthly statements that tie out and can be handed to a lender. If the request is for three years of financial statements plus year-to-date, and your books are not currently producing that, the controller is the right call and the CPA is downstream of it.
Next Step
If you are not sure whether the gap is a bookkeeper, a cleanup project, a controller, or an actual CFO, the role-clarity diagnostic at GetAFractional walks you through the symptom-to-provider routing in about three minutes. It is the right starting point when the question you keep asking is "who do I even hire for this."
Want a 1:1 review? Email [email protected] with your annual revenue, the number of entities you operate, the business day your books currently close, whether the last three months are reconciled, and what the lender or buyer in front of you has actually asked for.
This article is informational and does not constitute financial, legal, or tax advice. Consult a qualified professional for decisions specific to your situation.