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SPECIALTY CLUSTER · C.F.O.S EXECUTION LAYER

WHY SECURITY SYSTEM INTEGRATORS RUN OUT OF CASH.

QUICK ANSWER

Security system integrators run out of cash because head-end equipment and licensing costs get committed well before installation and programming billing milestones, integration testing across multiple building systems frequently takes longer than scheduled with no corresponding change order, and final acceptance testing delays push the largest billing milestone out even after most of the work is complete.

Security system work concentrates a large share of project cost in head-end equipment and software licensing, both of which typically get purchased and committed well before the installation and programming milestones that would justify billing for them. Integration testing across access control, video, and alarm systems, often built by different manufacturers, frequently uncovers issues that extend the schedule without a change order ever being filed. And final acceptance testing, tied to the largest billing milestone on most security contracts, can lag substantially completed work by weeks.

BY JOSH LUEBKER Published: Jul 2026 Updated: Jul 2026
THE FAILURE MODE

WHERE THE MONEY GOES.

Security system contracts concentrate significant cost in head-end equipment, servers, controllers, and software licensing, purchased well ahead of the installation and programming phase that would generate billable progress against that cost.

Once installation begins, integration testing across access control, video surveillance, and alarm systems, frequently from different manufacturers, often takes longer than scheduled due to compatibility issues, but that extended testing time rarely gets documented and billed as a change order.

The consequence chain: head-end equipment and licensing costs land well before installation billing · integration testing runs long without a documented change order · final acceptance testing, tied to the largest billing milestone, lags substantially completed work · three timing gaps compound around the single largest cost and billing event on the contract.

Gross Margin ($1M–$5M)
28%
CFOS target: 22–30%
Overhead Rate ($1M–$5M)
18%
CFOS target: 9–13%
Net Margin ($1M–$5M)
6.5%
CFOS target: 12%
3 REASONS YOUR CASH IS GONE

THE THREE MECHANISMS.

MECHANISM 1

HEAD-END EQUIPMENT AND LICENSING COMMITTED BEFORE BILLING

Servers, controllers, and software licensing represent a significant share of total project cost and are typically purchased and committed before the installation and programming phase begins. That timing creates a substantial cash outlay well ahead of any billing milestone tied to actual progress.

MECHANISM 2

INTEGRATION TESTING RUNS LONG WITHOUT A DOCUMENTED CHANGE

Integrating access control, video, and alarm systems, often from different manufacturers, frequently uncovers compatibility issues that extend testing time beyond the original schedule. That extended time carries real labor cost, but it's rarely documented and billed as a change order in the moment.

MECHANISM 3

FINAL ACCEPTANCE TESTING DELAYS THE LARGEST BILLING MILESTONE

Final acceptance testing, typically tied to the single largest billing milestone on a security systems contract, can lag substantially completed installation work by weeks due to scheduling, client availability, or system stabilization requirements, leaving the largest payment pending on work that's functionally done.

WHERE CONTRACTORS GET MISLED

THE MISDIAGNOSIS.

Owners blame: "Equipment costs are just high on security jobs."
What's actually happening: Equipment and licensing cost is genuinely significant, but the specific issue is the timing, that cost lands well before any billing milestone recovers it, not that the cost itself is unusually high.

Owners blame: "Integration always takes longer than planned, that's normal."
What's actually happening: It's common, but the extended time is a specific, documentable cost. Treating it as an expected inconvenience instead of filing a change order forfeits a legitimate recovery opportunity.

Owners blame: "We're basically done, just waiting on final testing."
What's actually happening: The gap between substantially complete and formally accepted is exactly where the largest billing milestone sits pending. That gap is a real cash timing cost worth tracking and managing actively.

HOW C.F.O.S FIXES IT

THE FIX.

C.F.O.S is the financial operating system built around security system integration's specific cash failure patterns · head-end equipment cost timing, unbilled integration testing delays, and final acceptance milestones lagging substantially complete work. Without this system running every month, equipment costs compound into cash gaps before billing catches up, integration delays go undocumented, and the largest billing milestone sits pending long after the real work is done. This is C.F.O.S executing inside the specialty cluster · every deliverable specific to security system integration, monthly, and connected to the other five layers of the system.

13-week cash flow forecast that models head-end equipment and licensing cost timing explicitly
Integration testing time tracked against the schedule, with change orders filed for compatibility-driven delays
Final acceptance testing scheduled and pursued actively once installation is substantially complete
Weekly cost-to-complete tracking that flags extended integration time as it accumulates
SOV structured to bill programming and configuration progress ahead of final acceptance where contract terms allow
Change order follow-up cadence to ensure documented integration delays actually get billed
PRICING

FLAT MONTHLY FEE. NO SURPRISES.

Three tiers based on trailing 12-month revenue. No hourly billing. No payroll. No add-ons.

Revenue (Trailing 12 Months)Monthly Fee
Under $1M$1,900 – $2,900
$1M–$3M$2,600 – $3,900
$4M–$6M$3,800 – $5,700
$7M–$9M$5,100 – $6,900
$10M–$12M$6,100 – $8,500
$13M+Quoted

Range reflects three service tiers (Core Financial, Executive Financial, Strategic Financial) · scope and fee within each band depend on which tier fits your business. Strategic Financial includes ControlQore job costing and WIP software at no added cost. SPM does not handle payroll.

What's Included →
COMMON QUESTIONS

FREQUENTLY ASKED.

Head-end equipment and software licensing represent significant cost committed well before installation and programming billing milestones. Integration testing across different manufacturer systems frequently runs longer than scheduled with no change order filed, and final acceptance testing, tied to the largest billing milestone, often lags substantially completed work by weeks.
CFOS builds a 13-week cash forecast that models equipment and licensing cost timing explicitly, tracks integration testing time against the schedule with change orders filed for compatibility delays, actively pursues final acceptance testing once installation is substantially complete, and structures the SOV to bill programming progress ahead of final acceptance where possible.
CFOS serves commercial security system subcontractors subcontractors doing $1M–$12M. Monthly fees run $1,900 to $8,500 depending on revenue and which of the three service tiers fits your business (Core Financial, Executive Financial, or Strategic Financial). Onboarding takes 60 days.
Core Financial covers CFO advisory only: monthly check-ins, a rolling cash flow forecast, WIP reporting on request, and estimating review. Executive Financial adds full-service bookkeeping, bank reconciliations, and controllership. Strategic Financial adds ControlQore job costing and WIP software, set up and managed for you at no added cost. No payroll processing at any tier. No scope gaps between services.
60 days. We migrate your books to the start of your last taxable year, build your job costing structure around your estimates, and get your first WIP schedule and cash flow forecast running. Fully operational in two months.
Josh Luebker, The Construction CFO
Josh Luebker
Fractional CFO · The Construction CFO

Former commercial construction project manager and master electrician. Managed 150+ projects totaling $2.1B+ in combined volume across 24 trade specializations, with individual jobs ranging $50K–$300M. Now fractional CFO for commercial subcontractors doing $1M–$12M through Sulphur Prairie Management. About Josh →  |  LinkedIn →

RELATED RESOURCES
CFOS System
Run on CFOS
The Construction Financial Operating System · what it is and how it runs
CFOS Module
Cash Control System
Payroll, AR, LOC, and cash timing · how CFOS controls the crisis layer for security system subcontractors
CFOS Module
Job Profitability System
Why security system subcontractors jobs look profitable but lose money · how CFOS shows you the truth
$2.1B+
Combined Client Project Volume
24
Active Trade Specializations
60 DAYS
Average Onboarding Time
SYSTEM CONNECTIONS
CFOS SPINE + MODULES
Run on CFOS · Full System Index Job Profitability System Cash Control System Trade Benchmarking System
RELATED TRADE OS
Electrical Fiber Optic Telecom
SERVICE LAYER
Fractional CFO for Construction Construction Bookkeeping Construction Controllership

THE GAP DOESN'T CLOSE
WITHOUT THE SYSTEM.

You cannot self-assemble a fix from knowing the problem. The financial system has to be built, run monthly, and connected to the other five layers of C.F.O.S · or equipment cost timing, unbilled integration delays, and delayed final acceptance keeps compounding every job. Let's show you what that system looks like built around your security system subcontractors business.

BOOK A FREE 30-MIN DIAGNOSTIC →

30 minutes. Free. No sales pressure. We'll tell you exactly what's broken before we talk about anything else.

OR SEE YOUR NUMBERS FIRST → FREE CEO REPORT TOOL
THE CONSTRUCTION CFO
Run on CFOS Cash Control System Security System Overhead Rate Schedule a Call Josh@ConstructionCFO.net CONTROL Book →
© 2026 SULPHUR PRAIRIE MANAGEMENT · SULPHUR ROCK, AR
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Josh Luebker, The Construction CFO
JOSH LUEBKER
FOUNDER & CFO

Master electrician and former project manager, 150+ projects and $2.1B+ in commercial work. Now runs the numbers for subcontractors instead of standing on the job site.

LinkedIn About
Stewart Bohrer, The Construction CFO
STEWART BOHRER
VP OF OPERATIONS

Keeps the system running day to day: job costing, WIP, monthly financial reviews, and the follow-through between calls. Josh handles onboarding.

LinkedIn About
LinkedIn YouTube About Run on CFOS CONTROL Book →
© 2026 SULPHUR PRAIRIE MANAGEMENT · SULPHUR ROCK, AR