If you own a small business, you have probably wondered what it is worth. Maybe you are thinking about selling. Maybe a partner wants to buy you out. Maybe you are applying for a loan or planning your estate. Whatever the reason, knowing how to value a small business is one of the most important financial skills you can develop as an owner.
The good news: business valuation is not a mystery. It follows a set of well-established methods, and once you understand them, you can walk into any conversation with a buyer, broker, or banker and know exactly what you are talking about.
Why Business Valuation Matters (And When You Need One)
Most owners only think about valuation when they are ready to sell. That is a mistake. Understanding your business’s value is useful long before a sale. It helps you set the right goals, identify weaknesses, attract investors, and plan for succession or retirement.
The five situations where you need a solid valuation: selling the business, buying out a co-owner, estate planning or divorce proceedings, applying for a business acquisition loan, and benchmarking your progress year over year.
The Five Main Valuation Methods
No single method works for every business. The right approach depends on your industry, size, profitability, and what a buyer is actually trying to buy. Here is a plain-English breakdown of each.
1. Seller’s Discretionary Earnings (SDE)
SDE is the most common method for small businesses with annual revenue under $5 million. It starts with your net income and adds back the owner’s salary, personal expenses run through the business, depreciation, amortization, interest, and any one-time costs that will not recur after a sale.
The formula: Net Profit + Owner Salary + Owner Perks + Depreciation + Amortization + Interest + One-Time Expenses = SDE.
Example: Your business nets $120,000 per year. You pay yourself a $90,000 salary and run $15,000 in personal expenses through the business. Your SDE is $225,000. If the business sells at a 2.5x multiple, the sale price is $562,500.
SDE is buyer-friendly because it shows a new owner-operator what they would actually take home after buying the business and running it themselves.
2. EBITDA Multiple
EBITDA stands for Earnings Before Interest, Taxes, Depreciation, and Amortization. It is the standard metric for businesses with revenue above $2 million, especially when the buyer plans to hire a manager to run it rather than operate it themselves.
Unlike SDE, EBITDA does not add back the owner’s salary. The assumption is that someone will be paid to do that job, so that cost stays in the calculation. EBITDA is a cleaner measure of the business’s operating performance independent of its capital structure or tax strategy.
Multiples vary by industry. A service business might trade at 3-4x EBITDA while a SaaS company could command 7-10x. We go deep on this in our guide to building a real exit strategy.
3. Revenue Multiples
Some businesses are valued as a multiple of revenue rather than earnings. This is common in high-growth industries where profitability is low or negative (think SaaS, media, tech) or when a buyer is acquiring the customer base rather than the cash flow.
Typical ranges: SaaS businesses might sell at 3-6x annual recurring revenue. E-commerce at 0.5-1.5x revenue. A professional services firm at 0.5-1x revenue. Revenue multiples are higher when revenue is predictable and recurring, and lower when it is lumpy or project-based.
4. Asset-Based Valuation
Asset-based valuation calculates what the business owns minus what it owes. It makes sense when the business holds significant hard assets: real estate, equipment, inventory, or intellectual property.
There are two versions. Book value uses the numbers on the balance sheet. Liquidation value uses what you could actually get if you sold everything today, which is usually lower. Asset-based valuation often serves as a floor for the sale price. If a buyer cannot justify paying more than the asset value, the business may not be worth a premium.
5. Discounted Cash Flow (DCF)
DCF is a more sophisticated method used in larger transactions and investment banking. You project the business’s future free cash flows over 5-10 years, then discount them back to today’s dollars using a rate that reflects the risk of those projections.
The catch: DCF is highly sensitive to your assumptions. Small changes in the growth rate or discount rate produce dramatically different valuations. For most small business sales under $10 million, DCF is less common than EBITDA or SDE multiples. The SBA’s guide to selling a business covers when DCF analysis becomes relevant for financing and loan underwriting.
What Buyers Actually Look For
Knowing the math is one thing. Understanding what moves the multiple is another. Buyers are not just buying your earnings; they are buying the risk profile of those earnings. Here is what commands a premium versus what destroys value.
What Drives a Higher Multiple
Customer concentration is one of the biggest value killers. If 40% or more of your revenue comes from one customer, buyers will price in the risk that the customer leaves. A business with 200 customers averaging $5,000 per year is worth more than one with 5 customers averaging $200,000.
Owner dependency is the second major factor. If the business relies entirely on your relationships, expertise, or reputation, a buyer will discount the value because those assets walk out the door with you. Documented systems, trained employees, and transferable customer relationships all increase value.
Other premium factors: recurring revenue (contracts, subscriptions, retainers), clean financials, strong profit margins, defensible market position, and year-over-year growth. The discipline of documentation is one of the most practical ways to protect and increase your valuation.
What Reduces the Multiple
Declining revenue trends, messy books, deferred maintenance, undocumented processes, key-person risk, and pending legal issues all reduce what a buyer will pay. Informal compensation practices (cash transactions, personal expenses mixed with business expenses) are particularly damaging because they create uncertainty about the true earnings.
Choosing the Right Method for Your Business
Here is a quick decision framework:
Under $1M in revenue, owner-operated: Use SDE. This is the language of main street business buyers.
$2M-$10M in revenue, management in place: Use EBITDA. Buyers at this level think in EBITDA multiples.
High-growth, recurring revenue, low current profit: Consider revenue multiples. Profitability will catch up to revenue.
Asset-heavy (equipment, real estate, inventory): Use asset-based as a floor, then layer in an earnings multiple.
Larger transactions ($10M+), sophisticated buyers: DCF analysis becomes relevant.
Get a Professional Opinion
While you can and should run your own valuation estimate, a certified business broker or business appraiser will provide a defensible, third-party opinion. This matters when negotiating with buyers, resolving partner disputes, or satisfying lender requirements.
The cost of a formal business appraisal ranges from $3,000 to $10,000 depending on business complexity. For most owners planning a sale, the investment pays for itself many times over in negotiating leverage.
Understanding your number is the first step in controlling your outcome. Whether you plan to sell next year or in a decade, running the math now tells you where to focus your energy to build the most valuable business possible.
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Related Reading: How to Prepare Your Business for Sale | M&A for Small Business: The Complete Guide
More Valuation Resources
- EBITDA Multiple by Industry 2026
- SDE vs EBITDA: Which Valuation Method Is Right for Your Business?
- How to Increase Your Business Valuation Before Selling
- What Is a Discounted Cash Flow (DCF) Analysis?
- What Is a Business Appraisal?
- Business Valuation Calculator
- Revenue Multiple vs EBITDA Multiple
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