Notes · Finance roles
Bookkeeper, accountant, controller, CFO: who does what
Short version: These are four different jobs that overlap on a small team. The bookkeeper records, the CPA files and certifies, the controller makes the numbers right and usable, and the CFO uses them to decide about cash and capital. Most businesses are not missing a bookkeeper. They are missing a controller or a CFO and have no name for it.
| Role | Owns | Question it answers |
|---|---|---|
| Bookkeeper | Entering and reconciling transactions: bills, deposits, payroll, bank accounts | What happened this month? |
| CPA / accountant | Tax returns, year-end adjustments, compliance, and any audit or review | What do we owe, and is it filed correctly? |
| Controller | The close, the controls, the chart of accounts, and the management reports | Are the numbers right, on time, and usable? |
| CFO | Cash forecasting, capital decisions, lender and investor relationships, strategy | What should we do next, and can we afford it? |
What each role does not do
A bookkeeper usually does not review their own work, design the reporting, or advise on what the numbers mean. Asking for that is how a good bookkeeper burns out.
A CPA usually works once a year, after the fact. That is the job, and they are good at it. It is not a monthly close.
A controller does not usually set strategy. The controller makes sure the information the strategy depends on can be trusted.
A CFO is not a better bookkeeper. A CFO cannot do the job from numbers that are late or wrong, and will spend the first months fixing that instead.
In a small business, one person wears several hats
The owner is often the CFO by default, the bookkeeper is the controller by default, and the CPA gets a call when something goes wrong. That works until complexity arrives: a second entity, a property, a loan covenant, an outside investor. At that point the hats have to be separated, or at least reviewed by someone who is not wearing them.
Which one are you missing?
- Transactions pile up unrecorded or unreconciled: bookkeeping capacity.
- Year-end is a scramble and the return is late: controller.
- Reports are late, inconsistent, or nobody trusts them: controller.
- You cannot say how much cash you will have next quarter, or whether a deal pencils: CFO.
- A lender or investor wants a package: usually both.
If you recognize the controller list, read when a growing business needs a controller.
Common questions
What is the difference between a controller and a CFO?
A controller is responsible for the accuracy and timeliness of the financial records and reports. A CFO uses those reports to guide cash, capital, and strategy. The controller keeps the record sound; the CFO decides what to do with it.
Can my CPA act as my controller?
Some do, but most CPA engagements are built around tax and compliance, not a monthly close. If your CPA is not producing a management report on a fixed day each month, you probably do not have a controller.
Does a small or mid-size business need a CFO?
Not full-time. Most need CFO-level thinking a few hours a month: a cash forecast, a view on a loan or acquisition, a package for a lender. That is the case for a fractional CFO.
Do I need all four roles?
You need all four functions covered. They do not need to be four people. On many teams, a bookkeeper, a CPA, and one fractional professional covering controller and CFO work is enough.
Next step
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