The quick version: a bookkeeper records what happened, a controller makes sure it was recorded correctly and on time, a CPA handles taxes and attestation, and a CFO uses the numbers to decide what happens next.
The four roles side by side
| Role | Main job | Looks | Typical signs you need one |
|---|---|---|---|
| Bookkeeper | Records transactions, pays bills, invoices customers, reconciles accounts | Backward: what happened | You're doing your own books, or they're behind |
| Controller | Owns the monthly close, accuracy, internal controls and financial statements | Backward: is it right? | Statements arrive late or don't tie out; a lender or auditor is asking questions |
| CPA | Tax planning and filing, audits and reviews, compliance | Backward and annual | Tax returns, an audit or review, entity and tax structure questions |
| Fractional CFO | Forecasting, cash planning, pricing, financing, KPIs, strategy and deal support | Forward: what do we do next? | Growth decisions, cash surprises, raising money, preparing to sell |
Bookkeeper
The foundation. Every other role depends on accurate, current books. If your books are months behind, no CFO can give you a reliable forecast. Fix this first.
Controller
The controller makes the numbers trustworthy. They run a disciplined month-end close, set up controls so money can't leak, and produce financial statements a bank will accept. Many growing companies use a fractional controller before they ever need a CFO.
CPA
"CPA" is a license, not a job title. In Texas, CPAs are licensed by the Texas State Board of Public Accountancy, and only licensed CPA firms can perform audits and reviews. Your outside CPA handles your tax returns and can advise on structure. Many fractional CFOs are CPAs too, but plenty of excellent CFOs are not. What matters is CFO-level experience, not the license alone.
Fractional CFO
The CFO turns the numbers into decisions. A good one builds a forecast you trust, tells you how much cash you'll have in 13 weeks, shows which customers and jobs actually make money, negotiates with your bank, and prepares you for a raise or a sale. "Fractional" means you get that person for the hours you need, not 40 a week.
The order most growing companies hire in
- Bookkeeper (in-house or outsourced) plus an outside CPA for taxes.
- Controller, often fractional, once the close gets complex or a lender wants reliable statements.
- Fractional CFO when big decisions start piling up: financing, growth, pricing, an acquisition or an exit.
- Full-time CFO when the work fills most of the week, often somewhere past $20M in revenue or when preparing for institutional investors.
Some Houston firms bundle several of these roles: bookkeeping, controller and CFO under one roof. That can be efficient, but ask who does what and how many senior hours you get. Our Houston cost guide covers how that affects price.
Frequently asked questions
Can my CPA be my fractional CFO?
Sometimes. Some CPA firms offer fractional CFO services. The question is whether the person has run forecasting, financing and strategy for a company like yours, not just prepared returns.
Do I need a controller before a CFO?
Not always, but the CFO needs accurate, timely books to work from. If your close is slow or unreliable, many CFOs will either fix it first or bring a controller in.
Does a fractional CFO need to be a CPA?
No. Many are, but CFO experience matters more than the license. If you need audited statements, that work must be done by a licensed CPA firm.