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

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

Margin · multiple · SBA data

51Fair

Avg revenue

$900K/yr

$250K–$4M range

Profit margin

26%

~$234K SDE

Multiple

2.7–6×

of SDE

Est. buy price

$632K–$1.4M

startup: $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.

BizBite verdict

Watch / verify

Cleanroom Certification has enough high-level data for a first look, but BizBite has not assigned a category-specific operating model yet. Treat the score as preliminary.

51Fair

low data confidence · 40/100medium financing fit

Why it may work

No strong positives yet. More verified data needed.

Be careful

!Source link status has not been verified yet
!No last-checked date yet
!No SBA category enrichment yet
!No category operating model yet
!Low data confidence

Deal Calculator

Priced off $234K SDE — can this deal service its own debt?

1.72×

DSCR · Lender-comfortable

Purchase multiple — 4.0× SDE ($935K)

Category range: 2.7×–6× SDE

Down payment — 10% ($94K)

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

Interest rate — 10.50%

Typical SBA 7(a) range: 9.5–12% (prime-based)

Loan term — 10 years

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

Purchase price

$935K

4.0× of $234K SDE

Cash to close

$122K

$94K down + ~3% closing

Debt service

$11K/mo

$136K/yr on $842K loan

Cash-on-cash

80%

cash back in ~15 mo

Debt service coverage · what the lender sees

1.72×+$8K/mo after debt

Most SBA lenders want ≥1.25× coverage; 1.5×+ is a strong file.

SDE = revenue × margin estimate for this niche; it includes owner compensation, so budget your salary out of cash flow. Excludes working-capital injection, capex reserves, and taxes. Actual SBA terms vary by lender and borrower.

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.