Skip to main content
FRACTIONAL CFOBOOKKEEPINGFINANCIAL CONTROLCFOSSUBCONTRACTOR FINANCEJOB COSTINGFRACTIONAL CFOBOOKKEEPINGFINANCIAL CONTROLCFOSSUBCONTRACTOR FINANCEJOB COSTING
THE CONSTRUCTION CFOSCHEDULE A FREE CALL
THE CONSTRUCTION CFO — AUTHORITY

YOUR BOOKS ARE FINE.
THAT'S NOT
THE PROBLEM.

QUICK ANSWER

Most subcontractors who struggle financially have clean books. Transactions are posted, bank accounts reconcile, tax returns get filed. The problem isn't that the books are wrong — it's that nobody is using them to make decisions. Bookkeeping records what happened. A CFO function uses that to decide what to do next.

A bookkeeper is a historian. They record what happened — accurately, on time, reconciled. That's the job and they do it well. But nobody ever built cash flow or fixed job margins by looking backward. The problem isn't the history. It's that there's no one using it — connecting estimate to actuals, forecasting cash, reviewing billing velocity, flagging a 60-day-past-due invoice before it becomes a lien problem.

BY JOSH LUEBKERPublished: May 2026Updated: May 2026
WHAT BOOKKEEPING DOES

THE JOB OF A
BOOKKEEPER.

WHAT THEY DO WELL

Record, Reconcile, Report

Post transactions to the right accounts. Reconcile bank statements. Produce a P&L and balance sheet. Keep the general ledger clean. File payroll taxes on time. Generate 1099s at year end. This is real work and it matters. A bad bookkeeper creates real problems.

WHAT THEY DON'T DO

Analyze, Forecast, Advise

A bookkeeper does not review your pay applications before submission. They don't flag that job 14 is 80% of budget and 55% complete. They don't build a 13-week cash flow forecast. They don't notice that your overhead rate is 6 points higher than what went into last month's bids. These are not bookkeeping functions — they're CFO functions.

The gap: Most subcontractors have bookkeeping handled. Nobody has the CFO function handled. The books are accurate and useless — because nobody is using them to run the business.

WHAT A CFO FUNCTION DOES

THE JOB OF A
CFO FUNCTION.

Reviews every pay application before submission — schedule of values structured for maximum early billing
Runs cost to complete on every active project after each monthly close
Calculates overhead rate from actual costs and flags when estimates are off
Builds and maintains a 13-week cash flow forecast — updated every month
Monitors AR aging — follows up on 30-day, 60-day, and 90-day receivables systematically
Reviews job closeout margins against estimates — tracks where profit fade comes from
Advises on bid selection — when to pass on work because the cash position won't support it
Prepares for banking conversations — current ratio, working capital, debt-to-equity tracked monthly
THE REAL QUESTION

DO YOU HAVE BOOKKEEPING
OR A CFO FUNCTION?

The question isn't whether your books are good. They probably are. The question is: does anyone use those books to make decisions? Is anyone connecting the P&L to the bids? Is anyone building a cash forecast from the AR aging? Is anyone reviewing job cost before the project is 70% done and the overrun is locked?

If the answer is no — you have bookkeeping. You need a CFO function.

SPM provides both in one engagement. No scope gaps. No handoff between "the bookkeeper" and "the CFO advisor." One team, one monthly fee, everything from data entry through strategic decision-making. See what an engagement looks like →

FAQ
COMMON QUESTIONS.

Bookkeeping is historical — it records what happened, reconciles accounts, and produces financial statements. A CFO function is forward-looking and operational — it uses those statements to forecast cash, analyze job margins, review billing, flag AR problems, and advise on business decisions. Most subcontractors have the first. Almost none have the second.

Not as a standard service. A bookkeeper's job is to record transactions accurately and produce financial statements on time. Analyzing job cost margins, building cash flow forecasts, reviewing pay applications, and advising on bid selection require different training, time, and scope. Some bookkeepers can do some of these things, but it's outside standard bookkeeping scope and usually not priced into what you're paying.

Both, in one engagement. SPM has no scope gaps — weekly bookkeeping, monthly close by the 10th, and full CFO advisory including job cost review, cash forecasting, billing strategy, AR management, and monthly cadence meetings. Most clients pay less for this combined engagement than they'd pay a full-time controller.

If you can't answer these three questions in five minutes without calling anyone: (1) what did the last closed job net, by cost category? (2) what will your bank balance be in eight weeks? (3) what is your actual overhead rate this year? — you need a CFO function. Clean books are necessary but not sufficient for financial control.

Josh Luebker
Josh Luebker
Fractional CFO · The Construction CFO

Former commercial construction PM and master electrician. Managed 150+ projects totaling $300M+. Fractional CFO for commercial subcontractors $1M–$12M through Sulphur Prairie Management. Author of CONTROL: The Construction Financial Operating System. About Josh →

RELATED RESOURCES
SERVICE
Fractional CFO
What SPM does, what's included, and what it costs
AUTHORITY
Financial Control
What financial control requires and how to know if you have it
AUTHORITY
How SPM Runs Client Finance
The exact engagement — monthly cadence, 60-day installation, no scope gaps

DO YOU HAVE BOOKKEEPING
OR A CFO FUNCTION?

Free 30-minute call. Josh will show you the difference — and what it costs to not have one.

BOOK A FREE 30-MIN DIAGNOSTIC →

30 minutes. Free. No sales pressure.

OR SEE YOUR NUMBERS FIRST → FREE CEO REPORT TOOL
THE CONSTRUCTION CFO
Run on CFOSFractional CFOSchedule a CallCONTROL — The BookJosh@ConstructionCFO.net
© 2026 SULPHUR PRAIRIE MANAGEMENT · SULPHUR ROCK, AR
0