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JOB COSTING CASH FLOW WIP REPORTING FRACTIONAL CFO SUBCONTRACTOR FINANCE OVERHEAD RATE PAY APP BILLING AR RECOVERY CONTROLQORE JOB COSTING CASH FLOW WIP REPORTING FRACTIONAL CFO SUBCONTRACTOR FINANCE OVERHEAD RATE PAY APP BILLING AR RECOVERY CONTROLQORE
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CASE STUDY — FIBER CONTRACTOR

CASH VOLATILITY WITH GOOD WORK. HERE IS WHAT WAS ACTUALLY HAPPENING.

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A $2.4M fiber splicing subcontractor had cash that made no sense — great months followed by disasters with no pattern. The T&M rate was built on peak utilization. Costs weren't landing in the right places. The owner was managing by bank balance. SPM installed job costing, rebuilt the T&M rate against actual annual utilization, and gave the owner visibility into his own business for the first time.

$141K IN JANUARY COSTS. $144K IN REVENUE. NOW VISIBLE — AND FIXED.

BY JOSH LUEBKER Published: June 2026 Updated: June 2026

The Problem

This $2.4M fiber splicing subcontractor was working for major telecom carriers. Skilled crews. Good client relationships. The work kept coming. But the bank account didn't make sense.

Some months looked great. Some were a disaster. There was no pattern, no way to predict which month was coming. The owner couldn't tell his wife whether next month was going to be fine or tight. She was handling the books after hours. Not out of carelessness — subcontractor accounting is genuinely complex. But costs weren't landing in the right places and the real financial picture was invisible.

The core issue: T&M fiber work comes in bursts. Overhead doesn't stop between jobs. And the rates being charged were built on busy-month assumptions — not honest utilization across a full year. In January 2026 alone: $141,000 in project costs against $144,000 in revenue. Almost nothing left before overhead hit.

The owner knew something was off. He couldn't name it. And because he couldn't name it, he couldn't fix it.


What CFOS Found

When SPM came in, the diagnostic identified three specific problems stacked on each other:

T&M RATE BUILT ON PEAK UTILIZATIONThe hourly T&M rate was calculated using busy-month labor assumptions — full crews, full weeks. In slower months, utilization dropped to 60 to 70 percent. The rate didn't cover overhead at that utilization level. Every slow month was a structural loss, not a bad month.
NO VISIBILITY INTO WHICH MONTHS ARE PROFITABLEWithout a job cost structure tied to monthly reporting, there was no way to see whether a given month made money. Revenue came in. Costs went out. The owner looked at the bank balance to know if he was okay. Bank balance is the worst financial instrument for managing a T&M business.
NO STRUCTURED CABLING TO STABILIZE THE BASEPure T&M telecom work creates feast-or-famine cash. Structured cabling contracts — fixed scope, predictable billing — create a revenue floor that T&M sits on top of. Without it, the entire business was at the mercy of carrier call volume.

What Changed

MONTH 1: T&M RATE REBUILTSPM recalculated the T&M rate using actual annual utilization — not peak-month assumptions. The rate went up. The owner was worried about losing bids. The carriers didn't blink. They were used to rate adjustments from subs who finally did the math.
MONTH 1: JOB COST STRUCTURE INSTALLEDEvery project got coded correctly — labor by crew, material by job, equipment by deployment. Monthly close tied project costs to project revenue. For the first time, the owner could see exactly which months were profitable and which ones consumed margin — and why.
MONTH 2: MONTHLY CEO REPORT RUNNINGThe CEO Report showed 13 months of revenue, gross margin, overhead, and net profit. The volatile months had a name. T&M bursts followed by crew standby. Overhead running full during low-activity weeks. The pattern was predictable once it was visible.
ONGOING: STRUCTURED CABLING BUILDOUTThe owner started actively building structured cabling work alongside T&M — contracted, predictable billing — to stabilize revenue between T&M bursts. Not an overnight change, but a deliberate diversification strategy built on knowing which work actually makes money.

The Outcome

VISIBILITY INSTALLED

The owner now sees his numbers every month. He knows which months are structurally profitable and which ones consume margin. He knows what his T&M rate actually needs to be. He makes decisions based on what the business is actually doing — not what it feels like it's doing.

KEY OUTCOMES
$141K
Jan 2026 Costs — Now Visible in Real Time
Month 1
T&M Rate Corrected to True Utilization
Month 2
CEO Report Running — Pattern Named

For the first time, the owner has a structured cabling buildout underway — contracted, predictable billing to stabilize revenue alongside the T&M work. That decision came directly from seeing the financial picture clearly. You can't build a strategy on a business you can't see.


Who This Applies To

If you are running a T&M fiber, telecom, or structured cabling operation and recognize any of these — this case study is about your business:

  • Monthly cash is unpredictable even when you have plenty of work
  • Your T&M rate was set a while ago and you haven't recalculated it against actual utilization
  • You can't tell which months made money without waiting for the CPA's year-end numbers
  • Your spouse or a part-time bookkeeper is handling the financial function after hours
  • You know you need more stable billing alongside the T&M work but haven't built the model to justify it

It applies most directly to pure T&M operations — fiber splicing, outside plant work, carrier-directed deployments. Mixed companies with some structured cabling already have a partial revenue floor. Pure T&M businesses are the ones where the cash volatility is most acute and where rate recalculation has the fastest impact.

Once the T&M rate is rebuilt and job costing is running, the CEO Report makes the pattern visible within one to two months. You can't predict what you can't see. Once you can see it, predicting it — and planning around it — becomes straightforward.

In this engagement, the carriers did not push back. T&M rate adjustments from subcontractors are common. What's uncommon is a sub who can show the math — actual utilization, actual overhead, actual cost to deploy a crew. When you can show the math, the conversation is professional. When you can't, you're just asking for more money. CFOS gives you the math.

RECOGNIZE THIS PATTERN?

If your T&M cash is unpredictable and your rate hasn't been recalculated in years, the first call tells you exactly what it's costing you.

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Billing cadence and collections structure for T&M fiber and telecom operations
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The financial control framework SPM installed for this contractor
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Josh Luebker — The Construction CFO
Josh Luebker
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Former commercial construction project manager and master electrician. Managed 150+ projects totaling $300M+ including Google data centers, military bases, hospitals, and high-rises. Now fractional CFO for commercial subcontractors doing $1M–$12M through Sulphur Prairie Management. CONTROL Book →

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