A controller is responsible for accurate accounting and reporting. A fractional CFO is a part-time Chief Financial Officer who uses those reports to guide strategy, forecasting, financing, and business value. The controller answers what happened and whether the numbers are right. The CFO answers what to do next. Many small businesses need controller-level accuracy first and add a fractional CFO when major decisions approach.
Fractional CFO and controller compared
| Controller | Fractional CFO | |
|---|---|---|
| Focus | Accuracy of past results | Decisions about the future |
| Core question | Are the books right and closed on time? | What should we do next, and can we afford it? |
| Main outputs | Monthly close, financial statements, internal controls | Forecasts, budgets, cash plans, KPI dashboards, financing packages |
| Works most with | Bookkeepers, auditors, tax preparers | Owner, lenders, investors, buyers |
| Time horizon | Last month and last year | Next 13 weeks to next 5 years |
| Engagement | Full-time or part-time employee, or outsourced | Part-time, by the month or by the project |
What a controller does
A controller runs the accounting function. The role exists to make sure the financial statements are correct, complete, and delivered on schedule.
- Manages the month-end and year-end close
- Reviews reconciliations and journal entries
- Maintains the chart of accounts and accounting policies
- Designs internal controls that prevent errors and fraud
- Oversees accounts payable, accounts receivable, and payroll
- Prepares schedules for auditors and tax preparers
What a fractional CFO does
A fractional CFO gives a growing business senior financial leadership for a few days a month, at a fraction of the cost of a full-time executive.
- Builds the annual budget and a rolling forecast
- Prepares a 13-week cash flow forecast and manages cash
- Analyzes profitability by customer, product, and service line
- Advises on pricing, hiring, and expansion decisions
- Prepares loan packages and manages lender relationships
- Tracks key performance indicators and explains them to the owner
- Prepares the business for sale, including valuation drivers and due diligence
Which one does your business need?
The answer depends on the problem in front of you. The table shows common situations.
| Your situation | Best fit |
|---|---|
| Month-end close takes more than three weeks | Controller |
| Financial statements contain errors or change after they are issued | Controller |
| You are preparing for your first audit | Controller |
| You are profitable but short on cash | Fractional CFO |
| You are deciding whether to hire, expand, or buy equipment | Fractional CFO |
| You are applying for a loan or line of credit | Fractional CFO |
| You want to sell the business within five years | Fractional CFO |
| You are growing quickly and both accuracy and planning are strained | Both |
A guide by company size
Every business is different, and these ranges are typical patterns we see, not rules.
| Annual revenue | Typical finance team |
|---|---|
| Under $1 million | Bookkeeper, with CFO advice for specific decisions |
| $1 million to $5 million | Bookkeeper plus a fractional CFO a few hours each month |
| $5 million to $25 million | Controller plus a fractional CFO |
| Above $25 million | Controller and a full-time CFO |
Can one person do both jobs?
In a small company, one experienced professional often covers both roles. This works when the person has held both positions and when a bookkeeper handles daily entries. It works poorly when a strong controller is asked to produce strategy without experience in forecasting, financing, or transactions, or when a CFO is consumed by closing the books.
At Sunderland Valley Enterprises, a former CFO prepares and oversees the books, so the same team delivers controller-level accuracy and CFO-level guidance.
How a fractional CFO engagement usually starts
- Review. The CFO examines the last 12 to 24 months of financial statements and the accounting process.
- Clean up. Errors in the books are corrected so forecasts rest on reliable numbers.
- Forecast. A budget and a 13-week cash forecast are built.
- Report. A monthly meeting covers results, key indicators, and upcoming decisions.
- Plan. Longer-term goals such as financing, expansion, or exit are added to the plan.
Common questions
A controller manages accounting operations and makes sure financial statements are accurate. A CFO uses those statements to plan, forecast, raise capital, and guide the owner’s decisions. The controller looks back, and the CFO looks forward.
A fractional CFO is an experienced Chief Financial Officer who works with a company part-time, usually a set number of hours or days each month, in place of a full-time hire.
A small business should consider a fractional CFO when it faces cash shortages despite profit, a financing request, rapid growth, a pricing or expansion decision, or a planned sale.
A company needs accurate books before CFO work has value. That accuracy can come from a controller or from a strong bookkeeping team with senior review.
No. An outsourced accountant keeps the books and prepares statements. A fractional CFO works at the executive level on strategy, forecasting, financing, and business value.
Some engagements cover one project, such as a loan package or a forecast. Others continue month to month for years as the business grows.
Have a question about your own numbers?
30 minutes, no cost, and you will speak with Jackie directly.
Prefer to write? Send a message or call (702) 704-5816.