Garage Door Business Due Diligence
Garage Door business due diligence checklist — what buyers will request, how to prepare, and what kills deals at the finish line.
SDE Multiple Range
2.5x–4.5x
EBITDA Multiple Range
3.8x–7x
Average SDE Multiple
3.2x
Avg. Time to Close
90–150 days
Financial Due Diligence Documents
Buyers will request: 3 years of P&L statements (ideally tax returns), 3 years of balance sheets, current year P&L (YTD), accounts receivable aging report, accounts payable report, list of equipment with age and value, and documentation of all owner add-backs.
Operational Due Diligence
Operational items buyers examine: employee list with roles, pay, and tenure; customer list with revenue history; service agreements and maintenance contracts; equipment list and condition; software systems (CRM, field service, accounting); licenses and certifications current status; any pending legal or compliance issues.
What Kills Deals in Garage Door Sales
Common deal-killers: revenue more concentrated in fewer customers than represented, owner add-backs that don't hold up to scrutiny, key employee departures during the process, equipment that needs replacement, missing licenses, or significant deferred maintenance. Prepare for all of these before going to market.
How to Prepare for Due Diligence
The best preparation: organize your financials 12+ months before selling, document your processes, have your CPA prepare clean financials, identify any issues before buyers do, and work with a business broker who has run garage door due diligence before and knows what to expect.
Garage Door Business Valuation Multiples (2025)
| Method | Low | Mid (Typical) | High (Premium) |
|---|---|---|---|
| SDE Multiple | 2.5x | 3.2x | 4.5x |
| EBITDA Multiple | 3.8x | 5x | 7x |
| Revenue Multiple | 0.35x | 0.6x | 0.95x |
Source: BizBuySell, IBBA, Pepperdine Private Capital Markets Report, DealStats (2024–2025)
Garage Door Business Valuation FAQ
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