Duncan & Sons, LLC
How we got $4.2M
Based on its 22 employees and its payroll, both reported for PPP in 2020 and brought up to date.
Estimated value over time
▲ 28% since 2020Today's estimate scaled by the headcount reported each year and that year's prices. A trend, not a record of past sale values.
Employees over time
▼ 45% since 2020Show as table
| Year | Source | Employees | Est. revenue |
|---|---|---|---|
| 2020 | PPP loan | 22 | $15.8M |
| 2020 | Form 5500 | 16 | $11.5M |
| 2021 | Form 5500 | 14 | $10.0M |
| 2022 | Form 5500 | 14 | $10.0M |
| 2023 | Form 5500 | 12 | $8.6M |
| 2024 | Form 5500 | 13 | $9.3M |
| 2025 | Form 5500 | 12 | $8.6M |
Participants are employees in the company's retirement plan at year end, from its Form 5500 filing with the Department of Labor. They usually run a little under total headcount (part-timers and new hires may not be eligible). Revenue and EBITDA apply this industry's revenue per employee and margin to each year's count.
What we know
Signs of a sale Some signs of a sale
- In business 25 years (since 2001)
From public records and the company's website, not a statement that it's for sale.
Compared with similar businesses nearby
| Business | Est. revenue | Distance |
|---|---|---|
| DUNCAN & SONS, LLC this business | $24.6M | — |
| HG BUILDING SERVICES, LLC Sapulpa · 2 employees | $1.8M | 1.1 mi |
| TIMBREL BUILDING COMPANY, LLC Tulsa · 13 employees | $11.8M | 2.4 mi |
| TOP NOTCH TREE SERVICE LLC Tulsa · 1 employees | $1.2M | 2.5 mi |
| SD CONSTRUCTION LLC Glenpool · 20 employees | $13.5M | 2.8 mi |
| JBC CONSTRUCTION LLC Tulsa · 8 employees | $5.3M | 2.9 mi |
| HICKORY HOUSE, INC. Sapulpa · 13 employees | $11.6M | 2.9 mi |
The full calculation
| Employees reported to the SBA | 22 |
| Revenue from headcount (employees × revenue per employee for companies this size) | $21.7M |
| Revenue from PPP payroll (payroll ÷ payroll's share of revenue for companies this size) | $21.4M |
| Estimate: the two combined (geometric mean) | $24.6M |
| EBITDA margin (industry, adjusted for size) | 5% |
| EBITDA = revenue × margin | $1.2M |
Figures are shown toward the upper part of their range rather than at its middle.
Brought up to date assuming revenue has grown 8% a year since 2020, when the PPP figures were reported; included above.
| Estimated value = EBITDA × typical sale multiple | $4.2M |
| Multiple for this size and industry | 3.4× |
| Value range | $2.2M – $5.8M |
| Revenue range | $16.2M – $28.0M |
| EBITDA range | $816K – $1.4M |
| Industry (NAICS) | Commercial and Institutional Building Construction (236220) |
EBITDA margin: from IRS tax returns of S corporations in this industry (2019–2022), adjusted for company size: smaller companies typically run higher margins. EBITDA here is after owners' salaries.
Benchmarks: US Economic Census 2022, OK. PPP loans were sized on 2019–2020 payroll, so figures reflect that period. These are statistical estimates, not reported financials. Full methodology
History & advisors
Advisors
- BankingAVB BankPPP / SBA lender
From the company's own website and public filings (DOL Form 5500, IRS Form 990, SBA). Roles are as stated there and may be out of date.
Banking relationships
| AVB Bank PPP 2020 | All 309 borrowers → |
From PPP and SBA loan records, which name the bank but not the individual banker.
PPP loans
| Approved | Draw | Amount | Jobs |
|---|---|---|---|
| 4/8/2020 | first | $256K | 22 |
Public records
Matched to this business by name and address from public government data; a match can occasionally be wrong.
About Duncan & Sons, LLC
Duncan & Sons, LLC is a commercial construction company in Sapulpa, Oklahoma, in business since 2001. Its estimated annual revenue is about $24.6M, with roughly $1.2M of EBITDA. It has about 12 employees. Its estimated business value is $4.2M (likely range $2.2M–$5.8M).
Common questions
- Who owns Duncan & Sons, LLC?
- The owner of Duncan & Sons, LLC isn't in public records we've found yet. If you own or run the business, you can add or correct its details on SeeBITDA.
- How much revenue does Duncan & Sons, LLC make?
- SeeBITDA estimates Duncan & Sons, LLC's annual revenue at about $24.6M (likely between $16.2M and $28.0M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
- What is Duncan & Sons, LLC worth?
- About $4.2M, roughly 3.4× its estimated EBITDA of $1.2M, typical for a commercial construction company its size. Likely range: $2.2M–$5.8M.
- How many employees does Duncan & Sons, LLC have?
- About 12, from its 2025 retirement-plan filing.
- When was Duncan & Sons, LLC founded?
- Duncan & Sons, LLC has been in business since 2001.