"What is my business worth?" is the question every owner asks before they sell — and the answer is almost always different from what they expect.

Business valuation is not guesswork, but it is also not a precise science. It is a framework for estimating value based on earnings, risk, and market comparables. Understanding how buyers think about value is the first step to maximizing what you receive.

The Fundamental Principle: Buyers Buy Future Cash Flow

Before diving into methods, understand the core principle: buyers are not paying for what your business has done. They are paying for what they believe it will do in the future.

Your historical earnings are evidence of future earning potential — but they are not the whole story. Growth trajectory, customer concentration, owner dependency, industry trends, and competitive position all affect how a buyer discounts or premiums your earnings multiple.

Method 1: Seller's Discretionary Earnings (SDE)

SDE is the most widely used valuation method for small businesses with revenues under $5 million. It represents the total financial benefit a full-time owner-operator would receive from the business in a single year.

SDE Formula:

Net Profit + Owner's Salary + Owner's Benefits + Non-Cash Expenses (depreciation/amortization) + One-Time Expenses = SDE

Example:

• Net profit: $120,000
• Owner's salary: $80,000
• Owner's health insurance: $12,000
• Depreciation: $15,000
• One-time legal expense: $8,000
• SDE = $235,000

Once you have your SDE, you apply a multiple based on your industry, size, and risk profile. Most small businesses sell at 2x to 4x SDE.

What drives your multiple up:

• Consistent or growing revenue over 3+ years
• Diversified customer base (no single customer over 20%)
• Strong management team that does not depend on the owner
• Long-term contracts or recurring revenue
• Proprietary systems, IP, or competitive advantages
• Clean, audited financials

What drives your multiple down:

• Declining revenue trend
• High owner dependency
• Customer concentration
• Short remaining lease term
• Pending litigation or compliance issues
• Messy or incomplete financial records

Method 2: EBITDA Multiple

For larger businesses — typically those with revenues above $2 million — buyers and advisors shift from SDE to EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization).

EBITDA is a cleaner measure of operating profitability that strips out financing decisions and accounting choices. It is the standard metric used by private equity firms, strategic acquirers, and lenders evaluating mid-market transactions.

EBITDA Formula:

Net Income + Interest + Taxes + Depreciation + Amortization = EBITDA

EBITDA multiples for small to mid-size businesses typically range from 3x to 7x, with larger, more profitable, and faster-growing businesses commanding higher multiples.

Industry EBITDA multiple benchmarks (approximate):

• Home services: 3x to 5x
• Professional services: 4x to 6x
• Technology/SaaS: 5x to 10x+
• Food and beverage: 2x to 4x
• Manufacturing: 4x to 6x
• Healthcare services: 5x to 8x

Method 3: Revenue Multiple

Some businesses — particularly early-stage companies, SaaS businesses, or businesses with high growth but low current profitability — are valued on a multiple of revenue rather than earnings.

Revenue multiples are less common for traditional small businesses but are standard in technology and subscription-based businesses where future growth potential is the primary value driver.

When revenue multiples apply:

• High-growth businesses where current earnings understate future potential
• SaaS or subscription businesses with strong recurring revenue
• Businesses being acquired for strategic reasons (market share, technology, talent)

Method 4: Asset-Based Valuation

Asset-based valuation calculates the value of the business's tangible assets — equipment, inventory, real estate, receivables — minus liabilities. It is most relevant for asset-heavy businesses like manufacturing, real estate, or businesses being liquidated.

For most service businesses, asset-based valuation produces a lower number than earnings-based methods — which is why buyers and sellers of service businesses almost always use SDE or EBITDA multiples instead.

The Market Comparables Approach

In addition to formula-based methods, experienced buyers and advisors look at comparable transactions — what similar businesses in your industry and size range have actually sold for recently.

Market comparables provide a reality check on formula-based valuations. If your SDE multiple calculation suggests a $1.2 million value but comparable businesses in your industry are selling at 2x SDE, the market will price you at the market rate regardless of your internal calculation.

Common Valuation Mistakes Business Owners Make

Mistake 1: Confusing Revenue With Value

Revenue is not value. A $2 million revenue business with 5% net margins is worth far less than a $1 million revenue business with 30% net margins. Buyers buy earnings, not revenue.

Mistake 2: Ignoring Add-Backs

Many business owners run personal expenses through the business — vehicles, travel, meals, insurance. These are legitimate add-backs that increase your SDE and your valuation. Document them carefully.

Mistake 3: Overweighting Emotional Value

The years you invested, the relationships you built, the sacrifices you made — these have real personal value but zero market value. Buyers pay for future cash flow, not past effort.

Mistake 4: Not Accounting for Deal Structure

A $1 million all-cash offer is worth more than a $1.2 million offer with $400,000 in seller financing and a 3-year earnout. The structure of the deal matters as much as the headline number.

Get Your Baseline With AI Exit Score™

BIZLINXAI's AI Exit Score™ gives you a data-driven valuation estimate based on your actual business metrics — not a generic formula. It scores your business across the dimensions buyers care about most and shows you exactly what is limiting your current value.

Understanding your number before you go to market is not optional. It is the foundation of every good outcome in a business sale.

The Bottom Line

Your business is worth what a qualified buyer will pay for it — no more, no less. Understanding the methods buyers use to calculate that number puts you in a far stronger negotiating position and helps you make the improvements that will actually move the needle on your sale price.