CFOS MODULE 01 · CASH CONTROL

PROFITABLE JOBS. EMPTY BANK ACCOUNT.

QUICK ANSWER

Most subcontractors who run out of cash are earning a profit while doing it. The money is real, but it reaches the bank 60 to 90 days after they spend it, and nobody is controlling the timing. Cash Control is the CFOS module that forecasts 13 weeks ahead and turns cash timing into a decision you make instead of a surprise you absorb.

You can build a good business, win repeat work, and still spend every Friday deciding which vendor gets paid. That isn't a sales problem and it usually isn't a pricing problem either. Construction runs on accrual accounting, so your profit and loss records revenue when you invoice and costs when you incur them, while your bank account only knows what cleared. Those two numbers diverge by tens of thousands of dollars in a normal month, and the divergence is what puts a profitable contractor into a line of credit. Cash Control closes the distance by forecasting 13 weeks of receipts and payments before the month starts, so you know which week is short while you can still do something about it.

BY JOSH LUEBKERPublished June 2026Updated August 2026
WHERE THE MONEY GOES

WHAT HAPPENS WITHOUT THIS SYSTEM.

01

Payroll gets funded by the last check that cleared

Labor goes out weekly and gets collected 45 to 90 days later, so payroll is always funded by work you finished two months ago. When one general contractor pays late, the shortfall doesn't read as a late payment, it reads as a payroll you have to cover from the line of credit. Owners describe this as a slow paying customer when it's really an unfunded 60 day labor float.

02

The line of credit becomes permanent

A line of credit is built to cover a few weeks of timing, and it works until it never gets paid back to zero. Once the balance stops touching zero, you're financing operations at 9 to 12 percent and calling it working capital. Every dollar of interest comes straight off net profit, and nothing about the jobs changed.

03

Decisions get made on the bank balance

When there's no forecast, the bank balance becomes the only number available, so bonuses, equipment, and hires get decided on whatever cleared that week. November and December look strong because summer work is collecting while almost nothing is being built, and April and May look terrible because you're staffing up against billings that haven't gone out yet. Buying a truck in December on a fat balance is how a contractor ends up drawing on credit in February.

WHAT OWNERS BLAME

WHAT OWNERS THINK IS WRONG. WHAT IS CAUSING IT.

What owners think: Owners tell themselves they need more revenue, better customers, or a tougher collections person, so they chase bigger jobs and hire someone to make calls.

What's causing it: The timing between spending money and collecting it's the constraint, and revenue makes it worse rather than better. A larger job spends more labor and material up front and collects on the same 60 day cycle, so growth widens the hole it's supposed to fill. Until somebody forecasts the next 13 weeks and manages the calendar of money, more work just means a bigger float to carry.

HOW CFOS CONTROLS IT

WHAT THIS MODULE DELIVERS.

A 13 week rolling cash flow forecast, rebuilt every week, showing receipts and payments by week and not by month
A funding decision for every week that comes up short, made in advance instead of on the Friday it happens
If then simulation, so a bonus, a hire, or an equipment purchase gets tested against the forecast before the money leaves
A collections priority list each week, ordered by which invoices fund which obligations
Monthly active cash flow reporting, cash in minus cash out, read next to the accrual profit and loss so the two never get confused
WHICH TRADES FEEL THIS MOST

WHERE IT HITS HARDEST.

CIVIL AND EXCAVATION

Seasonal revenue against year round overhead

Civil contractors bill hard from spring through fall and then carry payroll, equipment notes, and insurance through two months with almost nothing to invoice. The winter draw is predictable to the week, which means it can be funded on purpose from summer collections. Without a forecast, that same predictable winter hits as an emergency every year.

ELECTRICAL AND MECHANICAL

Material buyout before the first pay application

Switchgear, wire, and equipment get bought early to lock pricing and hold the schedule, which puts six figures out the door before a single pay application is approved. Retention holds another 5 to 10 percent for months after the work is complete. The job earns well and still consumes cash for most of its duration.

SWPPP AND SPECIALTY SERVICE

Many small invoices, no single lever to pull

A specialty service contractor might carry 80 open invoices across 30 customers, none of them large enough to chase on their own. Cash comes in as a trickle of small payments whose timing nobody tracks, so a bad week looks random. Forecasting by week makes the trickle predictable and shows which handful of customers set the whole month.

WHAT CHANGES WHEN THIS IS FIXED

THE OUTCOME IN PLAIN NUMBERS.

The first thing that changes is the calendar. Instead of learning on Thursday that Friday is short, you know six weeks out which week is short and by how much, which turns a scramble into a choice between accelerating a billing, holding a payment, or drawing deliberately on the line.

One civil client wanted to pay $100,000 in bonuses the week of Thanksgiving because they'd had a record year. We simulated it in the forecast and the problem was immediate: the collections to fund it wouldn't clear until mid December, so the bonus would come off the line of credit. Carried forward to February, with nothing substantial being built, they'd have been $20,000 into the line and climbing another $20,000 a week into late March.

So they paid a smaller bonus in November and moved the rest to a quarterly schedule that added up to $104,000 over the year. The people got more money, the business never touched the line of credit, and the only thing that changed was knowing the answer before writing the check.

COMMON QUESTIONS

FREQUENTLY ASKED.

Because profit and cash are measured on different clocks. Construction uses accrual accounting, so your profit and loss records revenue when you invoice and costs when you incur them, while your bank account only reflects what cleared. Labor goes out weekly and collects in 45 to 90 days, so a growing, profitable subcontractor is funding a 60 day float out of pocket, and the profit is real while the cash is 60 days behind it.
Civil and excavation contractors feel it seasonally, because they carry year round equipment and payroll through two months with nothing to bill. Electrical and mechanical contractors feel it through material buyout, since major equipment is purchased before the first pay application is approved. Concrete and flatwork contractors feel it weekly, because labor is the largest cost and it goes out every Friday against invoices collected two months later. SWPPP and specialty service contractors feel it as unpredictability, since cash comes in as many small payments whose timing nobody is tracking.
A 13 week rolling cash flow forecast rebuilt every week, a funding decision for every week that comes up short, if then simulation so bonuses and equipment purchases get tested before the money leaves, a weekly collections priority list, and monthly active cash flow reporting read alongside the accrual profit and loss. These are documents you use to make decisions, not reports you file.
WHAT THIS TIES INTO
Josh Luebker, The Construction CFO
Josh Luebker
FRACTIONAL CFO · THE CONSTRUCTION CFO

Former commercial project manager and master electrician: 150+ projects worth $2.1B combined, from $50,000 to $300M. Now fractional CFO to commercial subcontractors.

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