Goodwill is an intangible asset that is recorded when one company acquires another business and pays more than the fair value of the identifiable assets it acquires, less the liabilities it assumes. The excess represents value that cannot be separately identified or sold on its own, such as an established reputation, a trained and loyal workforce, customer relationships that do not meet the criteria for separate recognition, and the expected synergies from combining the two businesses.
Goodwill is only recognized in an acquisition. A company cannot record goodwill it has built up internally through years of good service or marketing, however valuable, because there is no reliable transaction to measure it. As a result, goodwill on a balance sheet reflects the acquisitions a company has made, not the total value of its brand or reputation. Acquisition accounting is governed by ASC 805 in US GAAP and IFRS 3 internationally.
How goodwill is calculated
The basic calculation is:
Here is what the buyer pays, including cash, shares issued and the fair value of any contingent payments, and is the fair value of all identifiable assets acquired, including intangibles such as patents, trademarks and customer lists, minus the fair value of liabilities assumed. If a non-controlling interest remains, its value is also added to the consideration side.
Suppose Company A buys 100 percent of Company B for $50 million in cash. Company B's assets have a book value of $30 million, but after a purchase price allocation their fair value is $34 million, and the buyer also identifies a customer list worth $6 million and a brand name worth $4 million. Liabilities assumed are $12 million. Identifiable net assets are $34 million plus $6 million plus $4 million minus $12 million, which equals $32 million, so goodwill is $50 million minus $32 million, or $18 million. If the price had been less than $32 million, the buyer would record a bargain purchase gain instead, after first rechecking its valuations.
Accounting after the acquisition
Under both US GAAP for public companies and IFRS, goodwill is not amortized. Instead, it must be tested for impairment at least once a year, and more often if events suggest its value may have fallen. The test is performed at the level of a reporting unit (US GAAP) or a cash-generating unit (IFRS). Since ASU 2017-04, US GAAP uses a single step: if the fair value of a reporting unit is less than its carrying amount, including goodwill, the shortfall is recognized as an impairment charge, limited to the amount of goodwill. Goodwill impairments cannot be reversed under either framework. The process is explained in detail in the entry on goodwill impairment.
US private companies can elect a simpler alternative developed by the Private Company Council, under which goodwill is amortized on a straight-line basis over ten years or less, with impairment testing only when a triggering event occurs. US GAAP required amortization for all companies, over up to 40 years, until FASB Statement No. 142 took effect in 2002.
Reading goodwill in the financial statements
Goodwill can be a very large asset. For companies that have grown through acquisitions, it may exceed their tangible equity, which matters to lenders who calculate covenants on tangible net worth. Analysts often subtract goodwill when assessing book value, since it cannot be sold separately and may be worth nothing in a forced liquidation. Large impairment charges, which often follow overpriced deals, poor integration or market downturns, are seen as an admission that an acquisition has not delivered the value expected. Goodwill appears only in consolidated financial statements where the target is a subsidiary.
Criticism and debate
Critics argue that annual impairment tests are costly, rely heavily on management's own forecasts and tend to recognize losses "too little, too late." Some investors and regulators favor bringing back amortization. Both the FASB and the IASB have studied the question in recent years; as of 2026, neither has reintroduced amortization for public companies. Supporters of the current model say that impairment testing gives more useful information than an arbitrary amortization charge. Separately, goodwill purchased in a US asset acquisition can generally be amortized for tax purposes over 15 years under section 197, creating differences between book and tax figures that are tracked through deferred income taxes.