How Are Businesses Valued? Approaches, Discounts, and IRS Rules

Businesses are valued using three core approaches: an asset-based approach that nets assets against liabilities, a market-based approach that compares the company to similar businesses that have sold, and an income-based approach that converts future earnings into a present-day figure. A professional appraiser picks one or more of these methods based on the company’s financial history, industry, and the reason a number is needed, then adjusts the result for risk, control, and marketability. The final figure reflects what the business is worth on a specific date, for a specific purpose.

Why the Reason for the Valuation Shapes the Number

The same company can produce meaningfully different values depending on why it is being appraised, because the “standard of value” governs the assumptions the appraiser must use. Getting this wrong can invalidate a tax filing or undermine a legal position.

Fair market value is the most widely used standard. The IRS defines it as the price at which property would change hands between a willing buyer and a willing seller, with neither under pressure to act and both having reasonable knowledge of the relevant facts. It is required for federal estate and gift tax purposes, charitable contribution deductions, and most other tax-related valuations.1Internal Revenue Service. Estate and Gift Taxes

Fair value is a separate concept that appears in shareholder oppression lawsuits and certain financial reporting contexts. Under state corporate statutes, fair value in a shareholder dispute often excludes the minority and marketability discounts that would normally reduce a smaller owner’s share. That single difference can add hundreds of thousands of dollars to the result.

Investment value, sometimes called strategic value, measures what a business is worth to a particular buyer who brings specific synergies, cost savings, or market advantages. It almost always exceeds fair market value, which is why sellers prefer it and buyers resist it.

The trigger for the valuation usually points to the standard. Sales and mergers, divorce proceedings, estate and gift tax filings, buy-sell agreements between co-owners, annual valuations required for Employee Stock Ownership Plans under Department of Labor rules, SBA acquisition loans where the financed amount minus hard assets exceeds $250,000, and shareholder disputes each carry their own expectations about what the number is supposed to represent.

The Asset-Based Approach

The asset-based approach calculates value by subtracting total liabilities from the fair market value of all assets. It is the most intuitive method, and it works best for holding companies, asset-heavy businesses, and companies that are winding down or producing minimal profits.

Two variants exist. The going-concern version assumes the company continues operating and values both tangible and intangible assets as parts of a functioning whole, which typically produces a higher figure. The liquidation version assumes the business is shutting down and selling everything off. Liquidation values are almost always lower because they factor in the costs of a forced or rushed sale, and intangible assets like brand recognition or customer relationships lose most of their value when there is no ongoing business to support them.

One tax detail matters here. Under federal rules, acquired intangible assets like goodwill, trademarks, customer lists, and non-compete agreements are amortized over a 15-year period.2eCFR. 26 CFR 1.197-2 – Amortization of Goodwill and Certain Other Intangibles That schedule affects the buyer’s future tax deductions, which in turn affects how much they are willing to pay for those assets today.

The Market-Based Approach

The market-based approach works like a real estate appraisal. It looks at what similar businesses have actually sold for and uses those transactions to estimate what the subject company is worth. Analysts search for businesses with comparable revenue, geographic reach, and product or service mix. Private-company transaction databases track thousands of these sales and make the data available to credentialed appraisers.

The raw comparison is usually expressed as a multiple of earnings. For small owner-operated businesses, the most common metric is seller’s discretionary earnings, which represents the total cash flow available to a single owner-operator after adding back the owner’s salary, personal expenses run through the business, and non-cash charges like depreciation. A typical small business with under $2 million in revenue might sell for two to three times its SDE, though the multiple varies significantly by industry, growth rate, and how dependent the business is on the current owner.

For larger companies, the standard metric shifts to EBITDA, which strips out interest, taxes, depreciation, and amortization to isolate operating profitability. A business in a high-growth sector like software might command five or more times its EBITDA, while a local retail operation might trade at two times. These multiples are not formulas to be applied blindly. They are starting points that the appraiser adjusts up or down based on risk factors, customer concentration, and the specific competitive position of the business being valued.

The Income Approach

The income approach values a business based on what it can earn in the future, then converts those future earnings into a present-day number. It is the method most buyers and investors instinctively care about, because it answers the question of what the stream of future income is worth today.

Capitalization of Earnings

The capitalization of earnings method works best for companies with stable, predictable cash flows. The appraiser takes a single representative year of earnings, or a weighted average of recent years, then divides it by a capitalization rate. That rate reflects the return an investor would demand for the level of risk involved. A higher-risk business gets a higher capitalization rate, which produces a lower valuation. The math is straightforward. The judgment behind the capitalization rate is where most of the analytical work happens.

Discounted Cash Flow

The discounted cash flow method is more detailed and better suited for companies with uneven earnings or significant growth expectations. It projects the company’s free cash flow over a five-to-ten-year period, then adjusts each year’s projected earnings back to present value using a discount rate. The logic is simple. A dollar earned five years from now is worth less than a dollar in hand today, because of inflation and the opportunity cost of not investing that dollar elsewhere. After the projection period, the appraiser calculates a terminal value representing the business’s worth beyond the forecast horizon, and discounts that back as well. This method demands the most judgment, and the assumptions behind the growth projections and terminal value are usually the first things a skeptical buyer or IRS examiner will challenge.

The Excess Earnings Method for Goodwill

Goodwill is the portion of a business’s value that cannot be attributed to any identifiable tangible or intangible asset. For service businesses and professional practices, it is often the largest single component of value. The IRS recognizes the excess earnings method, described in Revenue Ruling 68-609, as one way to isolate goodwill. It works by calculating a fair rate of return on the company’s tangible assets, then treating any earnings above that return as income generated by intangible assets. Those excess earnings are capitalized at a higher rate (the Ruling suggests 15 to 20 percent) to arrive at the value of goodwill. Appraisers generally view this as a method of last resort, useful when better data is not available, but it remains widely used in divorce cases and small-business transactions.

What Drives the Capitalization and Discount Rates

Whether the appraiser uses a capitalization rate or a discount rate, the number reflects a stack of risk assessments. A company that depends on a single customer for 40 percent of revenue faces a meaningful risk premium, because losing that customer would gut the business. A thin management team where the owner handles every key relationship produces a similar concern. Diversified revenue streams, long-term contracts, recurring subscription income, and a management team that could run the business without the owner all push the rate down, which pushes the valuation up.

Discounts for Minority and Illiquid Interests

When the interest being valued is less than a controlling stake, or when the shares cannot be easily sold on an open market, the appraiser applies one or both of two standard discounts. Ignoring them inflates the value and can trigger IRS penalties.

Discount for Lack of Control

A minority shareholder cannot force a dividend, hire or fire management, or decide to sell the company. That absence of control makes the minority interest worth less than its proportional share of total equity. The discount typically ranges from 5 to 40 percent depending on the degree of control the interest holder lacks and the specific characteristics of the business. The appraiser derives the figure from data on control premiums observed in actual acquisitions, then mathematically inverts the premium to calculate the corresponding minority discount.

Discount for Lack of Marketability

Shares in a private company cannot be sold on an exchange the way publicly traded stock can. Finding a buyer takes time, legal costs, and negotiation, which makes the interest inherently less liquid. The IRS defines the discount for lack of marketability as “an amount or percentage deducted from the value of an ownership interest to reflect the relative absence of marketability.” Studies the IRS itself references show a wide range. Restricted stock studies point to average discounts around 31 to 35 percent, while pre-IPO studies show discounts of 30 to 60 percent.3Internal Revenue Service. Discount for Lack of Marketability Job Aid for IRS Valuation Professionals The marketability discount is applied after the minority discount, not combined with it, and must be justified on its own merits.

What Documents Feed the Analysis

A valuation runs on several years of financial history. Appraisers generally request three to five years of profit-and-loss statements to spot revenue trends and expense patterns, along with the corresponding balance sheets. Federal tax returns provide a verified baseline: Form 1120 for C corporations and Form 1065 for partnerships and multi-member LLCs.4Internal Revenue Service. About Form 1120, U.S. Corporation Income Tax Return5Internal Revenue Service. About Form 1065, U.S. Return of Partnership Income S corporations file Form 1120-S, and sole proprietors report on Schedule C of their personal return.

Beyond the financials, the appraiser needs a detailed inventory of tangible assets like equipment, vehicles, and real estate, along with documentation for intangible assets such as patents, trademarks, customer contracts, and proprietary technology. Lease agreements, loan documents, and any existing buy-sell agreements belong in the file. Organizing these records chronologically and keeping them in one location saves weeks of back-and-forth once the engagement starts.

Who Is Qualified to Perform a Valuation

Not all business valuations carry the same weight. A valuation prepared for an internal planning discussion does not need to meet the same standards as one filed with the IRS or introduced as evidence in court.

The Uniform Standards of Professional Appraisal Practice, maintained by the Appraisal Foundation, contain standards for real estate, personal property, business valuation, and mass appraisal.6The Appraisal Foundation. USPAP Whether a business appraiser is required to follow USPAP depends on the laws, regulations, or policies of the relevant state, agency, or client. Most credentialed appraisers follow USPAP regardless. Separately, the AICPA’s Statement on Standards for Valuation Services (VS Section 100) governs CPA members who perform business valuations, requiring them to follow specific methodological and reporting standards.7AICPA & CIMA. Statement on Standards for Valuation Services (VS Section 100)

Three credentials are widely recognized: the Accredited Senior Appraiser (ASA) from the American Society of Appraisers, the Certified Valuation Analyst (CVA) from the National Association of Certified Valuators and Analysts, and the Accredited in Business Valuation (ABV) credential from the AICPA. Each requires coursework, examinations, and demonstrated experience. Matching the credential to the purpose of the valuation matters. A CVA or ABV may be a strong fit for a tax or transactional valuation, while the ASA covers a broader range of appraisal disciplines.

Fees vary widely based on complexity, purpose, and credentials. A standard valuation for internal planning purposes for a straightforward small business generally runs $1,500 to $4,000. A certified valuation that meets IRS or litigation standards typically costs $7,000 to $10,000. Businesses with complex capital structures, multiple entities, or high-stakes disputes can expect fees of $10,000 to $20,000 or more. Hourly rates for credentialed appraisers generally fall between $200 and $500. A full engagement usually takes 7 to 14 weeks.

IRS Rules and Penalties When the Valuation Supports a Tax Filing

When a business valuation supports a federal tax filing, the stakes go beyond getting the number right. The IRS imposes specific requirements on the appraisal itself and penalizes taxpayers who report values that are significantly off.

For noncash charitable contributions exceeding $5,000, the IRS requires a qualified appraisal attached to the return via Form 8283.8Internal Revenue Service. Form 8283 Noncash Charitable Contributions A qualified appraisal must follow generally accepted appraisal standards (defined as the substance and principles of USPAP), include a description of the property, state the valuation method used, and be signed by a qualified appraiser who includes a specific declaration acknowledging potential penalties for misstatements. The appraisal must be signed no earlier than 60 days before the contribution date and no later than the due date, including extensions, of the return on which the deduction is first claimed.9eCFR. 26 CFR 1.170A-17 – Qualified Appraisal and Qualified Appraiser

A qualified appraiser must have verifiable education and experience in valuing the specific type of property, demonstrated either through professional coursework plus at least two years of relevant experience or through a recognized appraiser designation.9eCFR. 26 CFR 1.170A-17 – Qualified Appraisal and Qualified Appraiser For estate and gift tax filings involving closely held business interests, the IRS expects the valuation to reflect fair market value and to address the eight factors from Revenue Ruling 59-60: the nature and history of the business; the economic and industry outlook; book value and financial condition; earning capacity; dividend-paying capacity; goodwill and other intangible value; prior sales of the company’s stock; and market prices of comparable publicly traded companies.

The IRS imposes a 20 percent accuracy-related penalty on any underpayment of tax attributable to a substantial valuation misstatement, which occurs when the value claimed on a return is 150 percent or more of the correct amount. If the claimed value hits 200 percent or more of the correct amount, the IRS classifies it as a gross valuation misstatement and doubles the penalty to 40 percent. The penalty for a substantial misstatement does not apply unless the resulting tax underpayment exceeds $5,000 for individuals or $10,000 for corporations other than S corporations.10Office of the Law Revision Counsel. 26 U.S. Code 6662 – Imposition of Accuracy-Related Penalty on Underpayments That threshold disappears for gross misstatements, so a report that overstates or understates value by a factor of two or more faces penalties regardless of the dollar amount at stake.

The appraiser faces personal liability as well. Under the qualified appraisal rules, the appraiser must sign a declaration acknowledging that penalties under Section 6695A may apply if a substantial or gross valuation misstatement is based on their report.9eCFR. 26 CFR 1.170A-17 – Qualified Appraisal and Qualified Appraiser That shared exposure gives both the taxpayer and the appraiser a strong incentive to get the valuation right the first time.