SDE vs. EBITDA: Which Valuation Metric Applies to Your Business
SDE vs EBITDA: Which Earnings Metric Determines Your Business Valuation?
Walk into a room with ten M&A advisors and ask them what your business is worth, and most of them will start by asking one of two questions: “What’s your EBITDA?” or “What’s your SDE?”
These are not the same question. The answer to one does not answer the other. And using the wrong metric to value your business, or accepting a buyer’s offer built on the wrong metric, can mean the difference between a fair price and a deal that undervalues everything you built.
SDE (Seller’s Discretionary Earnings) and EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization) are two different ways to calculate the earnings base that buyers multiply to determine enterprise value. SDE is used for smaller, owner-operated businesses, typically under $3M-$5M in annual revenue. EBITDA is used for larger businesses where the owner is not the sole operator. The difference is whether the owner’s compensation is included in the earnings base. Getting this wrong overstates or understates your valuation by a significant amount.
Key Takeaways
- SDE adds back the owner’s total compensation (salary, benefits, perks) to net income. It represents what a working owner-buyer could earn from the business.
- EBITDA does not add back owner compensation, it assumes a market-rate replacement manager is already accounted for in the operating costs.
- SDE is appropriate for owner-operated businesses where the owner works in the business daily and their compensation is a major component of the financials.
- EBITDA is appropriate for businesses with professional management structures where the owner is moving toward a more strategic or passive role.
- The typical transition point is $3M-$5M in annual revenue, though industry and buyer type also influence which metric applies.
What SDE Is and How to Calculate It
SDE is the total economic benefit available to a single working owner-buyer who acquires and operates your business. It starts with net income and adds back everything that flows to the owner beyond what would be paid to a replacement manager.
The SDE calculation:
Net income
+ Owner’s salary and wages (total compensation, not just base)
+ Owner’s payroll taxes (the employer portion)
+ Owner’s health insurance and benefits
+ Personal expenses run through the business (vehicle, phone, travel, etc.)
+ Depreciation and amortization
+ Interest expense
+ One-time or non-recurring expenses
= SDE
The logic: if you pay yourself $120K as the owner-operator, a buyer acquiring your business would replace that $120K with their own salary. SDE captures the full earning power of the business for that one working owner.
SDE multiples in the lower middle market typically range from 2x-4x, sometimes reaching 5x for premium, well-positioned small businesses. A business generating $400K in SDE at a 3x multiple has an enterprise value of $1.2M.
What EBITDA Is and How It Differs
EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization) does NOT add back owner’s compensation. It assumes the owner’s salary is already a market-rate expense in the business, that the compensation paid to the owner represents what it would cost to hire a professional manager to fill that role.
The EBITDA calculation:
Net income
+ Interest expense
+ Income tax expense
+ Depreciation
+ Amortization
+ One-time or non-recurring expenses (adjusted EBITDA)
= EBITDA
For a business where the owner pays themselves $120K per year and that represents a fair market rate for a general manager in that role, EBITDA and SDE produce similar numbers. The key difference emerges when owner compensation significantly exceeds market rate, which is common in profitable smaller businesses.
EBITDA multiples in the lower middle market range from roughly 4x to 9x depending on industry and size. A business generating $1.5M in EBITDA at a 6x multiple has an enterprise value of $9M.
The Critical Difference: An Example
A Nashville HVAC company generates the following:
- Net income: $280K
- Owner’s salary: $200K (significantly above what a hired GM would cost, market rate is roughly $90K)
- Owner’s benefits and perks: $30K
- Depreciation: $40K
- Interest: $15K
SDE calculation:
$280K + $200K + $30K + $40K + $15K = $565K SDE
Adjusted EBITDA calculation (replacing owner’s actual $200K salary with a market-rate $90K GM salary):
$280K + $110K (the $200K salary difference minus $90K market rate) + $40K + $15K = Approximately $445K EBITDA
At a 4x multiple: SDE produces $2.26M enterprise value | EBITDA produces $1.78M
At a 5x multiple: SDE produces $2.83M | EBITDA produces $2.23M
The difference in this example is $480K-$600K depending on multiple, a meaningful gap on a deal this size.
Using the wrong metric in either direction creates problems. A buyer who values an owner-operated business on EBITDA while keeping the owner’s above-market salary in the expense base pays more than the business is worth. A seller who presents their business on SDE to a PE buyer accustomed to EBITDA creates confusion that slows the process.
Which Metric Applies to Your Business
The honest answer is that it depends on three factors.
Business size. The general threshold in the lower middle market is $3M-$5M in annual revenue. Below that threshold, SDE is typically the relevant metric because owner-operated businesses at that scale are usually bought by individual buyers or small operators who will run the business themselves. Above that threshold, EBITDA becomes more appropriate because buyers are institutional (PE, strategics) and the business should have management depth beyond the founding owner.
Management structure. If you work in the business daily and your departure would leave a significant operational gap, SDE is likely the relevant metric. If you have a professional management team that runs operations and you function more strategically, EBITDA is more appropriate, and the business is structured to justify a better multiple.
Buyer type. Individual buyers and smaller operators typically think in SDE terms. PE firms, family offices, and strategic acquirers think in EBITDA terms. When you go to market, your advisor should understand which buyer type is most relevant for your business size and position the financials accordingly.
The Add-Back Conversation
Both SDE and EBITDA involve “add-backs”, non-recurring or personal expenses added back to normalize earnings. The add-back conversation is one of the most scrutinized parts of M&A due diligence.
Legitimate add-backs: one-time legal or consulting fees, extraordinary repairs or capital expenditures, COVID relief funds, above-market owner compensation.
Contested add-backs: recurring expenses that the seller claims are one-time, customer entertainment with ambiguous business purpose, family member compensation with unclear job responsibilities, expenses that a buyer would continue to incur.
Every add-back requires documentation and a credible business rationale. An advisor who presents inflated add-backs to buyers creates skepticism that infects the entire due diligence process. Present what is defensible, document it thoroughly, and let the earnings speak for themselves.
Frequently Asked Questions
What is the difference between SDE and EBITDA?
SDE adds back the owner’s total compensation to calculate earnings available to a working owner-buyer. EBITDA does not add back owner compensation and instead assumes it represents a market-rate expense for running the business. SDE is used for smaller owner-operated businesses; EBITDA is used for larger businesses with professional management.
Which one should I use to value my business?
If your business is under roughly $3M-$5M in annual revenue and you work in it daily, SDE is typically the relevant metric. If your business is larger with management depth beyond the owner, EBITDA is more appropriate. Your M&A advisor should identify which metric is relevant to your specific situation and buyer type.
How do I calculate my SDE?
Start with net income and add back: your total owner compensation (salary, benefits, perks), the employer portion of your payroll taxes, personal expenses run through the business, depreciation, amortization, interest expense, and any legitimate one-time or non-recurring expenses.
Can the wrong metric hurt my sale price?
Yes significantly. If your business should be valued on SDE but a buyer applies EBITDA methodology without adjusting for above-market owner compensation, the resulting valuation understates the business’s true earning power. An experienced advisor ensures the correct methodology is applied and add-backs are presented defensibly.
Daniel Askew is the Founder and CEO of Icon Business Advisors, a Nashville, Tennessee M&A advisory firm.
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Complete Guide: Business Valuation Methods: How Lower Middle Market Companies Are Actually Valued
