ManufacturingNAICS 332710

Sell a Machine Shops business

US manufacturing M&A has benefited from reshoring, defense procurement, and infrastructure spending. the certifications are 12-18 month barriers to entry.

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What moves the multiple

Value drivers in machine shops

Manufacturing businesses sit within a broad multiple band. These are the specific factors that determine where you land inside it.

Machine Shops-specific

Machine shops with AS9100 (aerospace) or ISO 13485 (medical device) certifications and multi-axis CNC capacity trade at meaningful premium — the certifications are 12-18 month barriers to entry.

Certifications: ISO 9001, AS9100, ITAR, FDA, MedAccred

Repeat customer base with multi-year purchase orders

Domestic supply-chain positioning (reshoring beneficiary)

Automated / cellular production flow

Documented quality management system with traceability

Machine Shops operations and business context

Diligence risks

What buyers scrutinize

Every category has structural risks that buyers double-click on. Preparing responses in advance keeps them out of the purchase-price adjustment column.

Machine Shops-specific risk

Machine-shop revenue is highly customer-concentrated (single-OEM often 30-50%+); buyers apply substantial discounts and often require earn-outs for concentration exposure.

Customer concentration above 20% (common in job-shop manufacturing)

Legacy machinery capex catch-up requirement

Skilled machinist / operator labor shortage

Environmental and OSHA compliance exposure

Active buyers

Who buys machine shops businesses

Buyer archetype depends on scale. Sub-$1M SDE draws individuals and search funds. $1–3M SDE opens platform and strategic interest. $3M+ EBITDA is full LMM buyer territory.

Recent acquirer activity

Arcline Investment, Wynnchurch, Blue Point Capital, and CORE Industrial Partners have been active PE consolidators of aerospace-and-medical machine shops.

Vertical integrator

Strategic

Customer- or supplier-side strategic acquirers pay premium multiples for margin capture and supply-chain security.

Industrial PE platform

PE Platform

Warburg Pincus, KPS Capital, Blue Wolf, Kohlberg, AEA Investors, Wynnchurch actively bid on $3M+ EBITDA operators as platforms or bolt-ons.

Family office

Family Office

Industrials-focused family offices favor stable-margin, capex-light manufacturers as long-hold assets.

Browse buyer registry Who buys my business? tool

Playbook

Exit playbook — manufacturing

The single largest driver of purchase-price outcome is preparation depth. These are the levers that move the needle in manufacturing exits.

1
Diversify customer concentration below 20% before going to market
18-24 months pre-sale
Customer concentration is the single biggest valuation lever in manufacturing M&A. A dedicated year-one push to add customers materially lifts the multiple.
2
Address deferred maintenance capex before diligence
12-18 months pre-sale
Buyers under-adjust for capex-catch-up. Complete or explicitly document the maintenance backlog to avoid a purchase-price haircut.
3
Get certifications current and traceable
6-12 months pre-sale
Lapsed ISO / AS9100 / FDA registrations kill deals. Confirm all certifications are current and audit trails are complete.
4
Formalize quality management system documentation
12-18 months pre-sale
Reviewed QMS with SOPs and traceability is a required diligence element for any strategic or PE buyer.

Topical cluster

Related industries

Owners of machine shops businesses often also operate — or acquire — businesses in adjacent verticals.

Metal Fabrication

SDE 3.5x–5.5x · EBITDA 5.5x–9x

Aerospace Manufacturing

SDE 4x–6.5x · EBITDA 7x–12x

Medical Device Manufacturing

SDE 4x–6.5x · EBITDA 8x–14x

Contract Manufacturing

SDE 3.5x–5.5x · EBITDA 5.5x–9.5x

Tool & Die / Mold Making

SDE 3x–5x · EBITDA 5.5x–8.5x

Adhesive & Sealant Manufacturing

SDE 3.5x–5.5x · EBITDA 6.5x–10.5x

All manufacturing industries

FAQ

Machine Shops exits, answered

What is a machine shops business worth?

Owner-operator machine shops businesses trade at 3.5x–5.5x SDE for typical $500K–$3M SDE ranges. At $3M+ EBITDA scale the same operators sell at 5.5x–9x EBITDA. Multiples in this category are ebitda-based and data-sourced from GF Data Q4 2024 Manufacturing + PitchBook Industrials 2025. Where you land in the range is driven by growth trajectory, revenue mix, customer concentration, and management-team depth beyond the owner.

Who buys machine shops businesses right now?

Arcline Investment, Wynnchurch, Blue Point Capital, and CORE Industrial Partners have been active PE consolidators of aerospace-and-medical machine shops. Active buyer archetypes in manufacturing include Vertical integrator, Industrial PE platform, Family office. Which of these bids for your business depends on scale — sub-$1M SDE is typically individual or search-fund territory, $1-3M SDE opens up PE platforms and strategics, and $3M+ EBITDA gets full LMM buyer attention.

What drives multiple expansion in machine shops?

Machine shops with AS9100 (aerospace) or ISO 13485 (medical device) certifications and multi-axis CNC capacity trade at meaningful premium — the certifications are 12-18 month barriers to entry. Beyond the industry-specific factor, the universal drivers in manufacturing are certifications: iso 9001, as9100, itar, fda, medaccred; repeat customer base with multi-year purchase orders; domestic supply-chain positioning (reshoring beneficiary).

What are the biggest risks in selling a machine shops business?

Machine-shop revenue is highly customer-concentrated (single-OEM often 30-50%+); buyers apply substantial discounts and often require earn-outs for concentration exposure. Buyers in this category also standardly scrutinize customer concentration above 20% (common in job-shop manufacturing) and legacy machinery capex catch-up requirement. Addressing these in advance in a well-prepared CIM materially reduces retrade risk during diligence.

What revenue range makes machine shops sellable to a professional buyer?

Typical transaction range for machine shops is $1.5M–$40M in annual revenue. Below that, buyer pool narrows to individual and small-search-fund. Above that, PE platforms and strategics dominate. NAICS code 332710 — buyers screen by NAICS in most deal sources.

How long does it take to sell a machine shops business?

From the day you engage a broker to close, expect 6–12 months for a well-prepared business in manufacturing. The prep work — financial cleanup, addbacks documentation, key-employee retention agreements, real estate lease sorting — is where 3-6 months of the timeline hides. Starting that early is what separates a full-multiple exit from a discounted one.

Data provenance: Valuation multiples anchored in GF Data Q4 2024 Manufacturing + PitchBook Industrials 2025. Buyer names and platforms are cited from public M&A disclosures, SEC filings, and press releases. Nothing on this page is fabricated. Multiples are whole-market ranges — your specific business will price above or below based on the drivers and risks above.

Published January 27, 2025 · Updated June 18, 2026

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