Precision Machining
Industries · Precision Machining
Selling a CNC machine shop or precision machining company
means standing out in the sector buyers want most.
Precision machining is the sector we see the most buyer demand for, which lets buyers be selective. They underwrite multi-axis capacity, tolerances held repeatably, the quality system behind them and how widely revenue is spread across customers. Accelerated Manufacturing M&A represents founders through a full sale or a strategic recapitalization, from valuation and buyer qualification to closing.
Capability
Multi-axis and Swiss capacity, tolerances held repeatably and the inspection to prove them.
Customer spread
Revenue spread across customers, industries and repeat part numbers, not one account.
Transferability
Certifications, registrations and programs that continue under a new owner.
In brief
How precision machining M&A differs from other sectors
Machine shops are among the most sought-after manufacturing businesses, so buyers compare many of them. What sets one shop apart is capability that is hard to copy: multi-axis and Swiss capacity, tolerances held repeatably, a quality system customers have approved, and the people who run it. Buyers press hardest on customer concentration, machine age and whether approvals and registrations follow the business.
What drives value
Multi-axis capacity, tolerance capability, customer diversification and the quality system behind them.
Who buys
Strategic machining groups, private equity platforms, family offices, independent sponsors and, at times, customers securing capacity.
What must transfer
AS9100, ISO 9001 or ISO 13485 certification, customer approvals, ITAR registration and CMMC status where held, and the proven programs.
What lengthens diligence
Customer concentration, older machines, controlled customer drawings, and cybersecurity compliance for defense work.
Ways to transact
A full sale, a majority recapitalization that keeps the founder invested, or a partnership with a strategic or financial acquirer.
Capital infrastructure
The four forms of capital a precision machining acquirer is buying
The income statement shows what the business earns. The infrastructure that produces those earnings sits in four places, and diligence tests each one separately.
Qualification capital
The approvals that let a shop quote the work
- AS9100, ISO 9001 or ISO 13485 certification, with its scope and sites
- Customer quality approvals and approved-supplier status
- First article inspection records to AS9102
- Inspection capability: CMMs, gauging and calibration
- Special-process suppliers the customers have approved
Diligence evidence
Certificates and audit history, customer approval letters and scorecards, first article packages and calibration records.
Customer capital
The spread of work that steadies revenue
- Revenue by customer, industry and part number
- Repeat part numbers and annual releases
- Long-term agreements and blanket purchase orders
- The share of revenue held by the largest accounts
- Quote activity and win rate on new work
Diligence evidence
Several years of revenue by customer and part number, contract and purchase-order terms, and quoting history.
Compliance capital
The registrations that keep controlled work lawful
- ITAR registration and export authorizations, where held
- NIST SP 800-171 controls, SPRS score and CMMC status for defense work
- Controls on customer drawings and technical data
- Machine guarding, lockout and safety records
- Records for coolants, solvents and waste
Diligence evidence
The registration statement, the System Security Plan, data-handling procedures, waste records and safety inspection records.
Process & people capital
The machines and skills behind the tolerances
- Multi-axis mills, Swiss and multi-spindle lathes and wire EDM, by age and condition
- Automation such as pallet systems, bar feeders and lights-out hours
- CAM programming and a library of proven programs
- Programmers, setup machinists and quality inspectors
- Preventive maintenance and spindle-hour records
Diligence evidence
The machine list with age, hours and condition, spindle utilization, the program library and training records.
Valuation mechanics
How precision machining companies are valued
Valuation starts with normalized earnings, as it does in any manufacturing sale. For machine shops, the multiple applied to those earnings rests on how hard the capability is to replicate, how widely the revenue is spread and how much investment the machines will need.
Customer diversification
Concentration in a single customer is the issue that most often reshapes a machine shop deal. Buyers look at the share held by the largest accounts, how long each has bought and whether the work repeats.
Multi-axis capacity
Five-axis milling and multi-axis turning finish complex parts in fewer setups. That capacity is harder to add than three-axis capacity and carries more of the value.
Tolerance capability
Holding tight tolerances repeatably, and proving it with inspection data, separates precision work from commodity work and supports better pricing.
Quality systems
An AS9100, ISO 13485 or similar system that customers have audited opens regulated markets. It is also one of the first things diligence tests.
End-market mix
Aerospace, defense, medical, semiconductor and industrial work follow different cycles and carry different requirements. A balanced mix steadies volumes and widens the buyer pool.
Machine age and investment
Buyers compare the machine list with the capital it will need. Age, hours, controls and maintenance shape both the price and the plan after closing.
Utilization and automation
Spindle hours, extra shifts and lights-out running show how much capacity is left. Automation that already runs unattended is worth more than capacity on paper.
Programming and people
CAM programmers and setup machinists hold much of the know-how. Documented, proven programs and a team that does not depend on one person protect the value.
Deal structure
Why stock and asset sales play out differently for machine shops
In most manufacturing sales, the choice between buying stock and buying assets turns on tax and liabilities. For machine shops it also decides which certifications, registrations and customer approvals carry over, and how financed machines change hands.
What has to continue
Stock purchase or merger
Asset purchase
Legal entity
Unchanged. The company that holds the approvals stays the same.
Changes. The buyer's entity takes over the business.
AS9100, ISO 9001 or ISO 13485
Continue once the certification body reviews the change, which may include a special audit.
The buyer contracts with a certification body, which decides whether to reissue the certificate or treat the buyer as a new client.
Customer approvals and first articles
Continue, subject to each customer's notice and change-of-control terms.
Purchase orders need consent to assign, and moving work, machines or programs can trigger new first article inspections.
ITAR registration
Stays with the company. DDTC is notified of the change in ownership or control.
The buyer must be registered, and existing export authorizations must be addressed before controlled work continues.
CMMC status
Continues while the assessed systems stay the same, with the annual affirmation.
The buyer needs its own CAGE code and confirmed status, and moving onto its systems generally requires a new assessment.
CNC programs and tooling
Ownership is unchanged. Customer-owned tooling stays under the existing terms.
Programs are assigned in the purchase agreement. Customer-owned tooling needs the customer's consent.
Financed machines
Loans and leases stay in place, subject to any change-of-control terms.
Liens are paid off and released, or lenders and lessors consent to the transfer.
Liabilities and tax
The buyer inherits the company's history, and the tax basis carries over.
The buyer chooses the assets and liabilities it takes and usually gains a stepped-up tax basis.
Some structures keep the approved operating entity intact while giving the buyer many of the tax results of an asset purchase. Preserving Certifications Through an LLC Partnership Reorganization explains one of them.
This page is general information, not legal or tax advice. Transaction counsel confirms the requirements for each sale.
Regulatory continuity
What has to survive the change of ownership
Each certification, registration and customer approval in a machine shop has its own rule for a change of ownership. Planning for them before a buyer is chosen protects the value, the timeline and the closing.
Does AS9100, ISO 9001 or ISO 13485 certification transfer when a machine shop is sold?
Each certificate names the certified organization and its sites, and the certification contract requires the company to tell its certification body about a change in ownership. The certification body then decides what the change needs, which can include a special audit or a reissued certificate. For AS9100, it also updates the listing in the aerospace industry's OASIS database.
In a stock sale the certified company continues, so the certificate normally carries on once the change is reviewed. In an asset sale a new legal entity runs the business, and the certification body decides whether to reissue the certificate or treat the buyer as a new client.
ISO/IEC 17021-1 · IAQG 9104-1
Do customers require new first article inspections after a sale?
Aerospace customers require a new full or partial first article inspection after events that can affect fit, form or function: a change in manufacturing source, process, location, tooling or materials, a change to the NC program, or a lapse in production, often of two years. A change of ownership on its own is not usually on that list.
A stock sale that keeps the same site, machines and programs normally needs only the notices customers' terms require. A sale that moves work, adds machines or re-posts programs can trigger new first articles, so integration plans are best scheduled with customers.
AS9102 · customer quality clauses
Does a machine shop need ITAR registration, and what happens to it in a sale?
A US company that manufactures defense articles must register with the State Department's Directorate of Defense Trade Controls even if it never exports, so a shop machining parts on the U.S. Munitions List needs registration. Whether a part qualifies depends on its classification, which customers' drawings usually indicate.
The registrant must notify DDTC within five days of a change in ownership or control, and at least 60 days before any sale to a foreign person. After an acquisition, the parties tell DDTC which registration and licenses continue. In an asset sale the buying entity must hold its own registration before it manufactures.
22 CFR 122.1 · 22 CFR 122.4
Can buyers see controlled customer drawings during diligence?
Showing ITAR-controlled drawings, travelers or CNC programs to a foreign person, even inside the United States and even by letting them look, is an export that needs State Department authorization. Technical data controlled under the Export Administration Regulations works the same way, although whether a license is needed depends on the item and the person's country.
Sellers commonly keep controlled files in a separate data room folder open only to screened U.S. persons, limit plant tours the same way, and seek authorization before any foreign member of a buyer's team sees them. The rule applies before closing, whatever the deal structure.
22 CFR 120.50 · 22 CFR 120.56 · 15 CFR 734.13
What happens to CMMC status when a defense supplier is sold?
CMMC status attaches to the information systems that were assessed, not to the company's owners, and it is recorded in the Defense Department's Supplier Performance Risk System by CAGE code. Depending on the contract, Level 2 is assessed by the company itself or by a certified third-party assessor every three years, with an affirmation each year.
In a stock sale the same systems and status continue as long as the assessed boundary does not change significantly. Moving the company onto a buyer's systems, or merging networks, changes the scope and generally requires a new assessment. A new entity in an asset sale needs its own CAGE code, and its status should be confirmed early.
32 CFR Part 170 · DFARS 252.204-7021
Does a medical machining shop need FDA registration?
A machine shop that makes only components for finished-device manufacturers is exempt from FDA establishment registration, and FDA's quality system regulation does not apply to component makers. Medical customers instead flow their quality requirements down by contract, which is why many such shops hold ISO 13485.
Registration is required for shops that make finished devices for another company, or components packaged and labeled for sale to end users. A registered establishment must update its owner or operator information within 30 days of a change, so an asset sale means updating the registration.
21 CFR 807.65(a) · 21 CFR 807.22 · 21 CFR 820.1
Who owns the CNC programs, fixtures and gauges?
It depends on the contract. Customers own their drawings and data, and fixtures, gauges or tooling a customer or the government paid for are normally the customer's property, held in the shop's custody. Programs the shop's own employees write generally belong to the shop unless the contract assigns them to the customer.
In a stock sale ownership does not change. In an asset sale the seller can convey only what it owns, so the purchase agreement should assign the programs expressly, and customer-owned tooling needs the customer's consent. Programs for ITAR parts can themselves be controlled technical data.
FAR 52.245-1 · 17 U.S.C. 101 · customer purchase terms
What happens to machines that are financed or leased?
A lender's recorded lien on a machine stays attached when the machine is sold unless the lender releases it. In an asset sale, financed machines are paid off at closing with lien releases, or the lender consents to the buyer assuming the loan, and leased machines generally need the lessor's consent to assign.
In a stock sale the borrower stays the same, but loan and lease documents often treat a change of control as a default or require consent. A foreign buyer that plans to move advanced machines abroad may also need an export license for them.
UCC 9-315 · 15 CFR Part 774
Do environmental rules affect the sale of a machine shop?
Machine shops usually manage spent cutting oils and coolants as used oil, which is handled under its own federal rules rather than as hazardous waste while it is recycled. It becomes hazardous waste if it is mixed with chlorinated degreasers or other listed solvents, or disposed of rather than recycled, so buyers look at how fluids and solvents have been handled.
New Jersey is the leading example of a state where the sale itself triggers environmental duties. Its Industrial Site Recovery Act covers machine shops that handle hazardous substances, so a sale of the business, its real estate or a controlling interest requires notice within five days of signing and a remediation path before closing.
40 CFR Part 279 · N.J.S.A. 13:1K-6 et seq.
The buyer universe
Who acquires precision machining companies
With so much demand for machine shops, qualifying a buyer means testing its plan for the people and the customers as well as its financing. The right acquirer keeps the approvals, the programs and the people in place.
Strategic acquirers
Machining groups and larger manufacturers adding capability, capacity or customers. They value certified processes, multi-axis capacity and part numbers they would otherwise have to qualify.
Private equity platforms
Investors building groups of machine shops, directly or through a portfolio company. They look for repeatable processes, management depth and room to grow.
Family offices and independent sponsors
Capital with longer holding periods that often keeps a company's name, leadership and culture intact, and can suit a founder who wants to stay involved.
Customers securing supply
An OEM or larger supplier sometimes buys a key machine shop to secure capacity. That can suit the parts it buys, but the sale then has to protect the company's other customers.
Sensitive company information is protected until a prospective party has met defined professional and financial standards.
Before going to market
Preparing a precision machining company for a sale
The work that protects value in a machine shop transaction is easiest to do before buyers are in the room.
Map revenue by customer
Show revenue by customer, industry and part number over several years, and how concentration has changed.
Document capability
List machines by type, axes, working envelope, age and condition, with the tolerances each routinely holds.
Measure utilization
Record spindle hours by machine and shift so capacity and automation claims hold up in diligence.
Organize quality records
Gather certificates, audit reports, first article packages and calibration records, with the entity and site each depends on.
Secure customer data
Confirm how controlled drawings are stored and shared, and keep a System Security Plan current for defense work.
Back up the programs
Keep proven CNC programs, setup sheets and fixture records documented and stored where the business, not one person, controls them.
Review equipment financing
List the loans, leases and liens on each machine so payoffs and consents are planned before closing.
Normalize earnings
Adjust for owner-specific costs, one-time jobs and unusual years so the quality of earnings holds up in diligence.
Terms of art
A working vocabulary for precision machining transactions
The terms buyers, lenders and counsel use when they diligence a precision machining company.
5-axis machining
CNC machining that moves the tool or the part along three linear axes and two rotary axes, so complex parts can be finished in fewer setups.
AS9100
The quality management system standard for aviation, space and defense organizations, published by the IAQG as 9100 and in the Americas as AS9100.
CMM
A coordinate measuring machine, which uses a probe to measure a part's geometry against its drawing or model. The ISO 10360 standards set how its accuracy is tested.
CMMC
The Defense Department's Cybersecurity Maturity Model Certification program, which requires defense contractors to protect federal contract information and controlled unclassified information at one of three levels.
Controlled unclassified information (CUI)
Information the government creates or holds, or that a contractor holds for it, that law or policy requires to be safeguarded. Many defense drawings and specifications are CUI.
First article inspection (AS9102)
A documented check that the first production item meets every design requirement.
GD&T
Geometric dimensioning and tolerancing, the ASME Y14.5 symbol language that defines how much a part's form, orientation and location may vary.
ISO 13485
The international quality management system standard for the design and manufacture of medical devices, often required of suppliers to medical device makers.
ITAR
The International Traffic in Arms Regulations, which control defense articles and services listed on the U.S. Munitions List.
Lights-out machining
Running CNC machines unattended, often overnight or on weekends, using bar feeders, pallet systems or robots to load the work.
Multi-spindle screw machine
An automatic, bar-fed lathe with several spindles that work bars at successive tool stations at once, used for high-volume turned parts.
Quality escape
A nonconforming part that was not caught before it reached the customer. Customers track escapes closely when they rate suppliers.
Recapitalization
A transaction in which a founder sells a majority or minority stake to a new investor and keeps a share of ownership in the company.
Spindle utilization
The share of available or scheduled time a machine's spindle is running. Shops measure it differently, so buyers ask how it is calculated.
Swiss-type lathe
A CNC lathe whose sliding headstock feeds bar stock through a guide bushing, so cutting happens close to support. It suits long, slender, small-diameter parts.
Wire EDM
Electrical discharge machining that cuts conductive metal with a thin, continuously fed, electrically charged wire, used for precise contours in hard materials.
From the Learning Center
Weighing a sale or a strategic recapitalization of a precision machining company?
