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Business valuation methods fall into three groups: asset, income and market. Buyers use one or more of them to turn a company into a price. No single method is always right. The best one depends on what the company owns, what it earns and what similar firms have sold for.

Why one number is not enough

A seller sees years of work. A buyer sees future cash. Those two views rarely match, so each side needs a way to test a price. The IRS says it plainly in its long-standing ruling on valuing closely held stock: valuation is "not an exact science." The ruling adds that a sound value rests on all the facts, plus common sense and informed judgment.

That ruling is written for estate and gift tax. Still, its logic is used far beyond tax. It starts from fair market value, which it defines as the price a willing buyer and a willing seller would agree on. Neither one is forced to deal, and both know the relevant facts.

Sources: IRS Revenue Ruling 59-60 (1959-1 C.B. 237), sections 2 and 3.

The asset approach: what the company owns

This method adds up what the business holds and subtracts what it owes. Think of equipment, inventory, cash, property and vehicles, less loans and bills. The result is often called net asset value.

It works best when assets are the main story. The IRS ruling says a holding company or a real estate company is valued mainly by the worth of its assets. It is a weaker fit for a service firm. A small consulting shop may own a few laptops and a lease, yet earn a steady profit. The asset total would miss that profit.

The SBA lists a related idea for buyers, the tangible assets method, which values a business by its tangible assets. It also lists a method that prices a specific intangible asset by asking what it would cost to build the same thing from scratch.

Sources: IRS Revenue Ruling 59-60, section 5; U.S. Small Business Administration, "Buy an existing business or franchise."

The income approach: what the company earns

This method looks forward. It asks how much profit the company is likely to keep producing, then turns that profit into a value. The common tool is a capitalization rate. Divide a steady yearly profit by the rate a buyer needs as a return. A higher risk means a higher rate and a lower price.

Here is a simple example. Say a shop earns $100,000 a year in profit that a buyer can count on. A buyer who wants a 25 percent return would pay about $400,000. A buyer who wants 33 percent would pay about $300,000. The numbers are made up, but the lesson is real: the rate matters as much as the profit.

The IRS ruling says that for companies selling products or services to the public, earnings usually get the most weight. It also warns against a lazy shortcut. A plain five-year or ten-year average, used without a look at current trends, will not give a realistic value. If profit is rising or falling, recent years deserve more weight.

The SBA describes several income-based methods. The capitalized earnings approach looks at the return an investor expects. The excess earnings method is similar, but it separates the return on assets from the rest of the profit. The cash flow method is typically used to see how much of a loan the cash flow can support.

Sources: IRS Revenue Ruling 59-60, sections 4 and 5; U.S. Small Business Administration, "Buy an existing business or franchise."

The market approach: what similar firms sold for

This method starts with real prices. If shops like yours sold for about three times yearly profit, that gives a starting point for yours. The ruling says that when a company is closely held and its shares rarely trade, the next best measure is often the price of companies in the same or a similar line of business.

The catch is the word "similar." The ruling warns that comparisons need care. A business with a growing market is not comparable to one in decline. A firm with debt and preferred stock is not directly comparable to one with common stock only. For a small company, good comparisons are hard to find, because private sales are not always public. Treat any multiple as a rough guide, not a rule.

Sources: IRS Revenue Ruling 59-60, sections 3 and 4.

Goodwill and how to choose

Many small firms are worth more than their equipment. The extra value is goodwill. The IRS ruling ties goodwill to earning power. It says goodwill rests on the profit above a fair return on the net tangible assets. Items like a trusted brand name or a long record of success in one area can support it too.

So which method fits? A simple guide:

  • Asset-heavy firms, such as real estate holders: lean on the asset approach.
  • Service and retail firms with steady profit: lean on the income approach.
  • Industries with many recent sales: use the market approach as a check.

Smart buyers run two methods and compare. If the answers are far apart, find out why before you make an offer. The SBA also says buyers will likely want professional help at this stage, such as an attorney and an accountant, to review financial statements, tax returns and contracts.

Sources: IRS Revenue Ruling 59-60, section 4; U.S. Small Business Administration, "Buy an existing business or franchise."

Questions to ask before you agree on a price

  • Which method did the seller use, and why?
  • Are the profits steady, or did one big year lift the average?
  • Which expenses are one-time, and which will repeat?
  • What happens to sales if the owner leaves?
  • Do the comparable sales truly match this company?

Write the answers down. A price that holds up under three methods is easier to defend to a lender and to yourself.

Sources

  • Internal Revenue Service, Revenue Ruling 59-60, 1959-1 C.B. 237 (valuation of stock of closely held corporations).
  • U.S. Small Business Administration, Buy an existing business or franchise.

Filed May 15, 2026 · All news · Methodology