What is SDE (Seller's Discretionary Earnings)?
SDE is what a small business earns for one full-time owner-operator: net profit before tax, plus that owner's pay and benefits, plus interest, depreciation and amortisation, plus expenses that will not exist after the sale. On Main Street the asking price is almost always a multiple of SDE.
Why the number exists at all
A small business is bought by a person who will run it. Its accounts, though, are written to show the lowest legal profit: the owner's pay, the owner's car, the owner's phone and a family member on payroll all sit in expenses. Read literally, a business that comfortably supports a family looks like it earns $40,000 a year.
SDE undoes that. It answers the question a buyer actually has: if I take this over and run it myself, what does it produce for me before I pay debt and tax?
How it is built
| Net profit before tax | from the P&L, ideally reconciled to the tax return |
| + one owner's compensation and benefits | salary, payroll taxes, health insurance, retirement contributions |
| + interest | your loan will not be their loan |
| + depreciation and amortisation | non-cash |
| + genuine one-offs and personal items | each one has to be proved — see add-backs |
| = SDE | the number the multiple is applied to |
One owner, not two. SDE contains the pay of a single working owner. If a husband and wife both work full time, the second person's replacement cost belongs in expenses — otherwise you are buying a job you cannot fill for the money.
SDE, EBITDA, and why the line matters
SDE includes the owner's compensation; EBITDA does not, because larger businesses are priced as though a manager is hired to run them. The same business shown as SDE and as EBITDA differs by an entire salary, and so do the multiples applied to each. When a listing says "cash flow", find out which of the two it means before comparing anything to anything.
Where buyers get burned
- The number never touches a tax return. SDE built in a spreadsheet the seller maintains, with no return behind it, is a claim rather than a figure.
- The manager who is quietly deducted. Add back an absentee owner's salary and you have priced a business that needs a $65,000 manager — and forgotten to pay them.
- The same dollar twice. The owner's health insurance added back inside "owner compensation" and again as a personal expense.
- SDE that grows during diligence. New documents should sharpen the number, not inflate it. A rising SDE with no new evidence is a negotiating tactic.
The arithmetic that should frighten you
Main Street businesses change hands at a median of 2.86× SDE (IBBA / M&A Source Market Pulse, Q4 2025, a survey of 350 brokers). At that multiple every $100,000 of overstated earnings adds roughly $286,000 to what you pay. Verifying SDE is not accounting pedantry; it is the best-paid hour of the entire purchase.
Questions buyers ask
Is SDE the same as profit?
No. Profit on a small-business P&L is what is left after the owner has paid themselves and run personal costs through the company. SDE adds those back, so it shows what the business produces for one working owner before debt and tax.
What SDE multiple do Main Street businesses sell for?
The median reported multiple was 2.86 times SDE in the IBBA / M&A Source Market Pulse survey for Q4 2025, which covers 350 brokers. Individual deals vary widely with industry, customer concentration, lease terms and how well the earnings are documented.
Sources
Related
- Add-backs — Add-backs are expenses a seller adds back to profit on the argument that they will not exist for the new owner.
- Quality of Earnings (QoE) — A Quality of Earnings report is an accountant's deep check that the profit a seller reports is real, repeatable and properly earned.
- Debt Service Coverage Ratio (DSCR) — DSCR is the cash a business produces divided by the loan payments it owes.
Checking a real deal? DealLoupe reads the documents a seller gave you and reports the red flags, the gaps and the questions to ask — before you spend anything on due diligence. See what a pre-screen costs →
Last updated: 2026-08-22