How much does a Non-Destructive Testing (NDT) Service cost to buy?

A typical Non-Destructive Testing (NDT) Service sells for 3x to 5.5x seller's discretionary earnings. With estimated SDE of $264K, expect to pay roughly $792K to $1.5M before adjustments for assets, debt, growth, and local market quality.

How much does it cost to start a Non-Destructive Testing (NDT) Service?

Startup costs range from $75K to $600K depending on location, equipment, and scale.

Service

Non-Destructive Testing (NDT) Service

Q: What are the profit margins for a Non-Destructive Testing (NDT) Service?

The average profit margin for a Non-Destructive Testing (NDT) Service is around 22%. Main costs are certified technicians, specialized equipment, calibration, insurance, trucks, and quality systems. Margins improve when technicians are highly utilized and emergency work becomes a meaningful share of revenue.

Find the crack before the shutdown finds you

Bottom line

Worth studying, but do not buy without strong local proof.

Non-destructive testing firms inspect welds, pressure vessels, pipelines, tanks, bridges, and industrial components using ultrasound, radiography, magnetic particle, and dye penetrant testing. The surprising angle is how big this quiet inspection world is: GlobeNewswire pegged the broader NDT market above $32 billion by 2031, driven by safety, uptime, and aging infrastructure. Small local firms can build sticky industrial relationships because customers care more about certification, speed, and trust than flashy branding.

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Acquisition score

Fair

Avg Revenue

$1.2M

Profit Margin

22%

Acquisition Multiple

3x - 5.5x

Startup Cost

$75K - $600K

How It Works

Inspectors are dispatched to customer sites or fabrication shops to test assets without damaging them. Revenue comes from callout fees, hourly technician billing, project minimums, emergency turnaround, and annual inspection contracts. The moat is certification, reputation, and being the firm plant managers trust when downtime is expensive.

Revenue Range

Low End

$300K

Typical

$1.2M

High End

$4.0M

Real Acquisitions in This Category

SBA 7(a) change-of-ownership loans · NAICS 541380 · Testing Laboratories

Deals tracked

13 in last 24 mo

Median loan

$523K

$216K–$1.3M p25/p75

Implied deal size

$615K

median · ~85% LTV

Charge-off rate

—

not enough resolved loans

Deal Size Distribution

<$150K

$150K–500K

$500K–1M

$1M–2M

>$2M

Deal Flow Over Time

12-month momentum

+125.0%

deal volume vs prior 12 mo

Median loan Δ

+18.7%

9 recent · 4 prior

Financing Profile

Median rate

9.25%

23% fixed · last 24 mo

Median term

120 mo

standard 10-yr

Collateralized

of loans secured

Median jobs

6.5

supported per deal

Top lenders in this space

The Huntington National Bank4

Kendall Bank3

First Internet Bank of Indiana3

Frost Bank3

U.S. Bank, National Association2

Where deals happen

TX6

IL4

FL4

KS3

TN3

NY3

PA2

LA2

MI2

NH2

Franchise vs independent

Franchised acquisitions finance at $171K median vs $689K for independents — a -75% franchise discount. Franchises make up 13% of deals tracked.

Recent Comparable Deals

Closed	State	Loan	Implied deal	Jobs	Franchise
Mar 2026	MI	$100K	$118K	5	—
Mar 2026	MI	$1.3M	$1.5M	5	—
Feb 2026	TN	$100K	$118K	4	Any LabTest Now
Feb 2026	TN	$800K	$941K	4	Any LabTest Now
Jan 2026	LA	$75K	$88K	12	—
Jan 2026	LA	$1.5M	$1.8M	12	—
Sep 2025	FL	$3.3M	$3.8M	6	—
Sep 2025	FL	$250K	$294K	6	—
Sep 2025	TX	$830K	$977K	4	—
Jan 2025	VA	$945K	$1.1M	14	—

Volume rank #144/544Deal-size rank #370/544Momentum rank #34p90 loan: $2.3MData as of Mar 2026

Source: SBA 7(a) FOIA dataset, filtered to acquisitions (loans where business age is "Change of Ownership"). Implied deal size assumes an 85% loan-to-purchase ratio, a common SBA change-of-ownership structure. Charge-off rate shown only when 10+ loans have resolved (paid in full or charged off). Interest rates reflect last 24 months only. Actual deal values vary with equity injections, seller financing, and working capital terms.

Pros

+Industrial customers can be very sticky once approved as a vendor
+Emergency shutdown work commands premium pricing
+Certifications and procedures create a real moat versus generic service shops
+Demand benefits from aging infrastructure and stricter compliance

Cons

-Highly technical and certification-heavy business
-Liability is serious if inspections are wrong
-Talent is scarce and expensive

Best For

Experienced industrial operators who can recruit certified inspectors and sell into plants, fabricators, and utilities

Operating Costs

Main costs are certified technicians, specialized equipment, calibration, insurance, trucks, and quality systems. Margins improve when technicians are highly utilized and emergency work becomes a meaningful share of revenue.

SBA Financing Estimator

Adjust the deal — see if it cash flows after debt service

$-10648/mo

after debt service

Deal price — $3.0M

Range: $3.0M (3×) to $7.8M (5.5×+)

Down payment — 15% ($450K)

SBA minimum equity injection is 10% for change-of-ownership

Interest rate — 9.25%

SBA median for this category: 9.3%

Loan term — 10 years (120 mo)

SBA median for this category: 120 months

Down payment

$450K

15% equity injection

Loan amount

$2.5M

85% SBA-financed

Monthly payment

$33K/mo

$1.4M total interest

Monthly profit

$22K/mo

at 22% margin

Monthly cash flow after debt service

$-10648/mo

Margin does not cover debt service at these terms. Lower the deal price, increase the down payment, or extend the loan term.

Estimates only. Excludes owner compensation, capex, working capital draws, and taxes. Margin assumes average occupancy and volume. Actual SBA terms vary by lender and borrower profile.