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BIZBITE

Pressure Vessel Inspection

Tanks, boilers, and compressed systems need paperwork before they need drama

Bottom line

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

Pressure vessel inspection companies inspect boilers, air receivers, process vessels, tanks, pressure-relief devices, and related piping for industrial plants, refineries, breweries, hospitals, food processors, laundries, and utilities. The work sits at the intersection of safety, insurance, and regulatory compliance, which makes it sticky and documentation-heavy.

57
Acquisition score
Strong

Avg Revenue

$900K

Profit Margin

33%

Acquisition Multiple

2.4x - 6x

Startup Cost

$40K - $260K

How It Works

Certified inspectors schedule recurring inspections, review records, perform visual and non-destructive testing, check pressure relief devices, document deficiencies, coordinate repairs, and issue reports accepted by owners, insurers, and regulators. Revenue comes from annual inspections, outage work, consulting, NDT subcontracting, and repair follow-up.

Revenue Range

Low End
$220K
Typical
$900K
High End
$4.5M

Pros

  • +Compliance and insurance requirements create recurring demand
  • +Documentation value is high relative to equipment footprint
  • +Specialized certifications protect pricing
  • +Industrial clients often own many inspectable assets

Cons

  • -Certification requirements are real and slow to build
  • -Liability is meaningful
  • -Travel and plant access can reduce utilization

Best For

Technical operators with inspection, NDT, boiler, refinery, or industrial maintenance experience

Operating Costs

Costs include inspector certifications, NDT tools, calibration, reporting software, PPE, insurance, travel, and subcontracted testing. Margins improve when inspectors service dense industrial corridors and recurring portfolios.

SBA Financing Estimator

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

$-10520/mo
after debt service
Deal price — $3.4M
Range: $1.7M (2.4×) to $6.3M (6×+)
Down payment — 15% ($513K)
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
$513K
15% equity injection
Loan amount
$2.9M
85% SBA-financed
Monthly payment
$35K/mo
$1.3M total interest
Monthly profit
$25K/mo
at 33% margin
Monthly cash flow after debt service
$-10520/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.

Where to Buy

API - API 510 Pressure Vessel Inspector

Certification pathway for pressure vessel inspection professionals

Inspectioneering - API 510

Explains API 510 inspection, repair, alteration, rerating, and pressure-relief device coverage

BizBuySell - Inspection Businesses

Marketplace for inspection and testing service acquisition comps

57/100Strong

Acquisition Score

Profit margin
22/30
Entry multiple
14/25
Market depth
8/20
Risk (charge-off)
8/15
Deal momentum
5/10

Scores margin (30), entry multiple (25), SBA market depth (20), category risk (15), and deal momentum (10). Higher = better acquisition candidate.

Quick Facts

Category
service
Difficulty
4/5
Buy price
$2.2M$5.4M

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