How much does a Cleanroom Certification cost to buy?

A typical Cleanroom Certification sells for 2.7x to 6x seller's discretionary earnings. With estimated SDE of $234K, expect to pay roughly $632K to $1.4M before adjustments for assets, debt, growth, and local market quality.

How much does it cost to start a Cleanroom Certification?

Startup costs range from $60K to $300K depending on location, equipment, and scale.

Service

Cleanroom Certification

Q: What are the profit margins for a Cleanroom Certification?

The average profit margin for a Cleanroom Certification is around 26%. Costs include calibrated particle counters, photometers, airflow hoods, vehicles, technician wages, training, insurance, report software, and annual calibration. Profitability depends on route density and premium pricing for urgent audit failures.

Particle counters, HEPA leaks, and pharma-grade recurring work

Bottom line

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

Cleanroom certification firms test controlled environments for pharmaceutical, semiconductor, aerospace, medical device, cannabis, and compounding customers. Every cleanroom must prove it meets ISO class requirements through particle counts, airflow, pressure, and filter-integrity tests, creating a niche compliance route with expensive mistakes for customers who skip it.

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Acquisition score

Fair

Avg Revenue

$900K

Profit Margin

26%

Acquisition Multiple

2.7x - 6x

Startup Cost

$60K - $300K

How It Works

Technicians use laser particle counters, photometers, airflow hoods, pressure meters, and calibrated instruments to test cleanrooms against ISO 14644 and customer SOPs. Reports document particle counts, airflow patterns, HEPA/ULPA integrity, pressure differentials, temperature, humidity, and corrective actions. Customers recertify on a fixed cadence and call when rooms fail audits.

Revenue Range

Low End

$250K

Typical

$900K

High End

$4.0M

Pros

+Regulated customers need recurring certification
+High switching costs once a certifier understands the facility
+Testing equipment creates a moderate barrier to entry
+Failure remediation can lead to repair and filter-work revenue

Cons

-Expensive calibrated equipment and strict documentation
-Technician mistakes can shut down customer production
-Travel-heavy if local density is weak

Best For

Detail-heavy technical operators comfortable selling to QA, facilities, and regulated manufacturing teams

Operating Costs

Costs include calibrated particle counters, photometers, airflow hoods, vehicles, technician wages, training, insurance, report software, and annual calibration. Profitability depends on route density and premium pricing for urgent audit failures.

SBA Financing Estimator

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

$-17626/mo

after debt service

Deal price — $3.6M

Range: $2.0M (2.7×) to $6.3M (6×+)

Down payment — 15% ($540K)

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

Interest rate — 8.00%

Current prime-based SBA rates: 7.5–10.5%

Loan term — 10 years (120 mo)

Standard SBA 7(a): 10 years for business acquisition

Down payment

$540K

15% equity injection

Loan amount

$3.1M

85% SBA-financed

Monthly payment

$37K/mo

$1.4M total interest

Monthly profit

$20K/mo

at 26% margin

Monthly cash flow after debt service

$-17626/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.