SDE stands for Seller's Discretionary Earnings. It is the total financial benefit a single owner-operator receives from a business in a year. It starts with net profit, then adds back the owner's salary and certain personal, discretionary, and one-time expenses. For most small businesses, SDE is the number buyers use to determine value.
If you own an owner-operated business, whether it's a roofing company, restaurant, home services business, or another founder-led company, SDE is almost certainly the metric buyers will use. Not revenue. Not the net profit on your tax return. SDE.
The reason is simple. Tax returns are designed to minimize taxes, not show the full earning power of a business. SDE adjusts for those owner-specific decisions and gives buyers a clearer picture of what the business actually earns.
Get it right, and you can add tens or even hundreds of thousands of dollars to your sale price. Get it wrong, and you leave that money on the table.
SDE starts with your bottom line and adds back the expenses that are specific to you as the owner.
The goal is simple: show buyers what the business could earn for an owner-operator after removing expenses that are unique to the current owner.
Add-backs are where SDE is often won or lost. They represent expenses that are unique to the current owner and unlikely to continue after the business is sold. When they're legitimate and properly documented, they increase SDE without overstating the business's earning power. Common examples include:
Owner's salary and above-market payroll paid to family members
Personal vehicles, phones, travel, or meals paid through the business
One-time legal, consulting, or settlement costs that won't recur
Personal insurance policies paid by the company
Personal memberships, subscriptions, or charitable contributions
One-time equipment purchases expensed in a single year
What doesn't qualify are expenses the next owner will still need to operate the business. If a cost is necessary and recurring, it stays in. Trying to add back legitimate operating expenses is one of the fastest ways to lose a buyer's confidence.
Every add-back should be supported with documentation. During due diligence, buyers and their accountants will review each adjustment carefully. Unsupported add-backs are usually removed, reducing your SDE and raising questions about the rest of your financials.
Read More: Add-Backs Explained: How Owner Expenses Affect Your Valuation
Say a roofing company reports $120,000 in net profit. On paper, that looks like a modest business. But:
The business does not earn $120,000 for an owner. It earns $284,000. At a 2.5x multiple, that difference is the gap between a roughly $300,000 sale and a $710,000 sale. Same business — the SDE work is what separates the two numbers.
Read Next: Why Buyers and Sellers Don't Agree on Business Valuation — And What to Do About It
SDE and EBITDA both measure earnings, but they answer different questions and apply to different sizes of business.
The key difference is the owner's salary. SDE adds it back because the buyer is the new owner-operator — they will replace your role. EBITDA does not add it back, because a larger company already pays a manager to do the owner's job, so that salary is a real, ongoing cost.
As a business grows and stops depending on the owner, buyers shift from SDE to EBITDA. The same company can be described both ways during that transition, and the multiple changes with the metric.
Read More: EBITDA Explained for Small Business Owners: What It Means and Why Buyers Care
For most owner-operated businesses, SDE is the number buyers use to estimate value. If you don't understand how it's calculated, it's difficult to know whether an offer reflects what your business is actually worth.
Buyers, lenders, and business brokers use SDE because it shows the financial benefit available to the next owner after adjusting for owner-specific expenses and one-time costs. It provides a more consistent way to compare businesses than net profit alone.
That is why documentation matters. Every legitimate add-back should be supported with clear financial records and a reasonable explanation. Clean financials make due diligence easier, give buyers greater confidence in the numbers, and help support SBA financing. Unsupported add-backs often have the opposite effect. They reduce credibility and can lower the buyer's view of your earnings.
For most Main Street businesses, understanding SDE before you go to market helps you set realistic expectations and prepare financials that stand up to buyer scrutiny.
Key Takeaways
SDE (Seller's Discretionary Earnings) represents the total financial benefit a single owner receives from the business each year.
The calculation starts with net profit and adds back the owner's compensation, interest, taxes, depreciation, amortization, and legitimate discretionary or one-time expenses.
SDE is the primary valuation metric for most owner-operated businesses, while larger, management-run companies are typically valued using EBITDA.
Most small businesses are valued using a multiple of SDE, with the multiple depending on factors such as industry, size, growth prospects, and buyer risk.
Well-documented add-backs strengthen buyer confidence. Unsupported adjustments often become points of negotiation during due diligence.
Understanding SDE is the first step. The next is understanding how buyers apply it to your business. Every company is different, and factors like industry, owner dependence, customer concentration, and recurring revenue all influence the multiple buyers are willing to pay. That's where a market-based valuation becomes far more useful than relying on a simple formula.
If you own a roofing company, you can run a quick first-pass estimate with our FREE Roofing Valuation Calculator (2-Minute Walkthrough).
Read Next: If You Had to Sell Your Business in 8 Weeks, Here's What I'd Do
SDE stands for Seller's Discretionary Earnings. It is the total financial benefit a single owner-operator receives from a business in a year, including net profit, owner's salary, and discretionary or one-time expenses added back.
Start with net profit, then add back the owner's compensation; interest, taxes, depreciation, and amortization; and discretionary or one-time expenses that a new owner would not incur. The result is the real cash the business generates for an owner-operator.
SDE adds back the owner's salary; EBITDA does not. SDE is used for smaller, owner-operated businesses where the buyer will run the company themselves. EBITDA is used for larger, management-run companies that already pay someone to do the owner's job. The same business may switch from SDE to EBITDA as it grows.
Most small businesses sell for 2 to 4 times SDE, depending on industry, size, and risk. Roofing companies tend to cluster near 2 to 3 times SDE, with cleaner, larger, less owner-dependent businesses earning the higher end.
An add-back is an expense on the books that is not a true cost of running the business for the next owner — such as the owner's personal vehicle, one-time legal fees, or above-market family payroll. Legitimate, documented add-backs raise SDE. Add-backs for genuine operating costs are not allowed and get removed in due diligence.
Your tax return is structured to minimize taxes, so it understates what the business actually earns for you. SDE corrects for that by adding your salary and personal expenses back in, showing a buyer the real earning power they would inherit.
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