SDE, Defined
Seller's Discretionary Earnings (SDE) is the total financial benefit a business provides to a single full-time owner-operator. It starts with net profit and adds back the owner's salary, benefits, personal expenses run through the business, plus depreciation, amortization, interest, and any one-time or non-recurring costs. SDE is the standard metric for valuing small businesses — generally those with under about $1 million in earnings — because it reflects the true earning power a buyer is purchasing.
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Why SDE Exists
A small business's net profit on its tax return often looks small — because owners legitimately run salary and personal expenses through the business and take non-cash deductions like depreciation. That low net profit doesn't reflect what the business actually earns for its owner. SDE corrects this by adding those items back, revealing the real economic benefit. A buyer looking at $80,000 in net profit might find $280,000 in SDE once the owner's compensation and add-backs are included.
How SDE Is Calculated
The typical build-up:
- Start with net profit (pre-tax)
- Add owner's compensation — salary, payroll taxes, and benefits for one owner
- Add back interest (financing is buyer-specific)
- Add back depreciation and amortization (non-cash)
- Add back one-time / non-recurring expenses (a lawsuit, a move)
- Add back owner's personal expenses run through the business (personal vehicle, travel, etc.)
The result is SDE — the discretionary earnings available to a working owner. These adjustments are the add-backs.
How SDE Drives Value
Value is a multiple of SDE. Most small businesses sell for roughly 2x to 4x SDE, with the multiple set by risk and quality factors. So SDE does double duty: it's the earnings figure and the base the multiple is applied to. Getting SDE right — with legitimate, defensible add-backs — is therefore central to an accurate valuation.
SDE and Due Diligence
Because SDE directly determines price, buyers scrutinize it hard in due diligence. Every add-back must be legitimate and verifiable — inflating SDE with aggressive or fake add-backs is the fastest way to blow up a deal when the numbers don't hold up. Clean, well-documented SDE builds buyer confidence; questionable SDE destroys it. See SDE vs. EBITDA for how larger businesses are measured.
Frequently Asked Questions
What is Seller's Discretionary Earnings (SDE)?
SDE is the total financial benefit a business provides to a single full-time owner-operator. It's calculated by starting with net profit and adding back the owner's salary and benefits, personal expenses run through the business, interest, depreciation, amortization, and one-time costs. It's the standard metric for valuing small businesses under about $1 million in earnings.
How is SDE calculated?
Start with pre-tax net profit, then add back the owner's compensation (salary, payroll taxes, benefits), interest, depreciation and amortization, one-time or non-recurring expenses, and personal expenses run through the business. The result is the discretionary earnings available to a working owner, which becomes the base for the valuation multiple.
Why is SDE higher than net profit?
Because a small business's net profit understates what it earns for its owner. Owners legitimately run salary and personal expenses through the business and take non-cash deductions like depreciation, which lower net profit. SDE adds those back to reveal the true economic benefit, so SDE is often much higher than reported net profit.
What multiple of SDE do businesses sell for?
Most small businesses sell for roughly 2x to 4x SDE. The specific multiple depends on risk and quality factors, recurring revenue, owner dependency, customer concentration, growth trend, and clean financials, with better businesses commanding the higher end.
What's Your Business's SDE?
Martin Navarro calculates your true SDE, with every legitimate add-back, in a confidential valuation. Know your real number, no obligation.
Request a Free Valuation Call or text: 818-633-3254 · 365navarro.martin@gmail.com