Light manufacturing carries some of the strongest multiples on Main Street — and the widest spread. The dominant variable isn't the machinery or even the margins: it's customer concentration. A shop where no customer exceeds a third of revenue trades in a different market than one anchored to a single account.
Wide-banded starting ranges from the same table our free valuation calculator uses — a broker review narrows them after seeing real financials:
| Segment | Typical range | What moves it |
|---|---|---|
| Manufacturing — light | 2.5× – 4.5× SDE | Customer concentration is the dominant variable; sub-30% top-customer concentration is required for upper band. |
Sub-30% top-customer concentration is effectively required for the upper band. Diversifying the account base in the two years before a sale — even at some margin cost — usually returns more at closing than any efficiency project.
Work instructions, quality systems, and certifications (ISO, industry-specific) are what let a buyer believe the output survives the founder. A shop that runs on one machinist's memory is priced like it.
Maintenance logs and a realistic capex forecast build trust; a diligence surprise on a core machine re-opens the price. Buyers bring equipment appraisers — sellers who get there first control the narrative.
Price the business as it stands, then model it with the largest customer gone. The gap between those two numbers is the real risk premium — and the basis for structure (earnouts, holdbacks) if concentration is high.
Independent equipment appraisal, maintenance records, and honest utilization numbers. Deferred maintenance is the manufacturing version of deferred rent — invisible until it's yours.
Customer qualifications, ISO registrations, and industry certifications often need re-approval under new ownership. Map which approvals the revenue actually depends on before closing, not after.
Light-manufacturing businesses commonly trade around 2.5–4.5× SDE — among the strongest ranges on Main Street — with customer concentration as the dominant variable; sub-30% top-customer concentration is generally required for the upper band. The free valuation calculator gives a personalized starting range.
Directly and heavily: concentration above roughly a third of revenue moves the conversation from price to structure — earnouts, holdbacks, and contingent payments that shift risk back to the seller. Reducing concentration before a sale is usually the highest-value preparation work available.
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