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Profit10 min read

You Do Not Know Which Jobs Make Money Until It Is Too Late

For project and engineered-to-order manufacturers, quoted margin is only an assumption. Quote-to-actual costing shows where labour, material, subcontracting and uncontrolled variations consume it.

A complex project is quoted, won and celebrated. The estimated margin looks healthy. Six months later, the job ships and the expected profit is nowhere to be found. The materials cost more, labour hours drifted, a subcontractor charged for urgent work and several customer changes were completed without a signed variation.

By the time the monthly accounts reveal the problem, the work is finished and the money has been spent. The business knows it was busy. It still does not know which jobs produced the profit.

The margin in the quotation is a hypothesis. Actual job cost is the evidence.

Where the Margin Disappears

Labour is frequently estimated using ideal hours but recorded late and inaccurately. Material substitutions, scrap and additional purchases are absorbed into general stock. Subcontracting premiums arrive after the operational decision has already been made. Small changes are treated as customer service until they become a large unbilled cost.

When these costs are not allocated to the correct job, a weak project can hide inside an acceptable overall gross margin. The business repeats the same pricing and execution mistakes because nobody can see them clearly.

Freeze the Commercial Baseline

Before work begins, capture the agreed selling price, scope, planned labour by stage, material, subcontracting, tooling, contingency and expected contribution. Do not rewrite the baseline every time reality changes. Variance is the information you need to learn.

The Quote-to-Actual Control Loop

1
Lock the estimateCreate one approved baseline for price, scope and cost. Make assumptions visible so the team knows what the quote depends on.
2
Record labour dailyAllocate hours to specific jobs and stages while the work is fresh. Separate setup, productive work, rework and waiting so the variance can be understood.
3
Allocate material and subcontractingCharge receipts, scrap, replacements, rush fees and external services to the job promptly rather than allowing them to disappear into general overhead.
4
Control every variationDefine what is outside scope. Price the impact, receive written approval and update the commercial forecast before extra work begins.
5
Forecast margin at completionCombine actual cost to date with the realistic cost to finish. Review important live jobs weekly so action is possible before the margin disappears.
6
Close the learning loopCompare estimated and actual cost after completion. Update estimating hours, scrap factors, supplier assumptions and risk allowances before the next similar quote.

Variation Control Is Customer Service

Professional variation control is not awkward or unfriendly. It protects both parties by making the effect of a change clear. The customer can decide whether the extra value justifies the extra price or revised date. Quietly absorbing changes creates resentment, confusion and weak margins.

Review Live Margin, Not Historical Regret

For major jobs, review cost incurred, commitments, remaining hours, remaining material, variations and risks every week. Focus on the expected margin at completion. A falling forecast should produce a decision: recover a variation, change the plan, resolve a technical issue or have a direct commercial conversation.

The Question

If this job continues exactly as it is running today, what margin will be left when it ships? That answer is more useful than the margin shown on the original quote.

Your Action Checklist

  • .Compare estimate and actual cost for the last three completed projects
  • .Introduce daily labour recording by job and meaningful work stage
  • .Create a one-page variation process with written customer approval
  • .Review margin at completion weekly for the largest live jobs
  • .Feed post-job learning directly into estimating standards and pricing

Final Thought

A strong order book can still contain poor work. Quote-to-actual costing replaces hope with evidence. Once the business sees which jobs, customers and processes create contribution, it can price with confidence, intervene earlier and stop subsidising complexity.

Put This Into Practice

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