What Is GAAP?

Definition & Examples of GAAP

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Generally Accepted Accounting Principles, or GAAP, are accounting standards used by public companies and other organizations in the U.S. to report their financial results. Investors rely on them to make sound investment decisions.

What Is GAAP?

Generally Accepted Accounting Principles are accounting standards that underpin the U.S. financial reporting system. They're used primarily by public companies; however, private companies, nonprofits, and state and local governments may also use these standards.

The goal of GAAP is to ensure that information in financial statements is:

  • Relevant, representative, and reflective of the economic picture
  • Comparable with that of other organizations
  • Verifiable and auditable by a third party
  • Comprehensible to users of the information

As a result, GAAP compels companies to report their financial results accurately. For investors, the main advantages of GAAP are that it helps bring consistency and transparency to financial statements so that they can make more informed investment choices. That, in turn, may help bolster confidence in capital markets.

How GAAP Works

All public companies are required to issue frequent reports about their finances, which generally include details on revenues, ongoing and one-time expenditures, taxes, profits, and more. They do so not only for the benefit of lenders, donors, and taxpayers but also for investors.

If you're an investor, it is important to have a clear understanding of a company’s revenues, expenses, and operations. You also must trust that whatever information you have about a company is accurate.

If every company used different methods to report the information in their financial statements, not only would different companies have no uniform convention by which to report these financials, but investors couldn't make accurate comparisons about the financial positions of different companies.

If a company adheres to GAAP for its financial reporting, you can be assured its financial statements are accurate because they follow the basic guidelines below:

  • Recognition: GAAP offers guidance on what should be included in financial statements, such as revenues, assets, liabilities, and expenses.
  • Measurements: The accounting standards also outline the amounts of each component that should be included in financial statements.
  • Presentation: GAAP explains which line items, subtotals, and totals should appear and be aggregated within financial statements.
  • Disclosure: GAAP also identifies what is most important to investors in the financial statement and provides context for the information in the statements.

For example, if Company A and B both prepare their income statements according to GAAP, the earnings or profit on the bottom line of each should represent net income. As such, an investor considering buying the stock of one of these companies can do an apples-to-apples comparison of the profitability of Company A and B.


The FASB offers a series of templates for companies to follow to ensure that they are following correct reporting guidelines. Keep in mind, though, that GAAP grants companies a fair amount of leeway in how they recognize expenses and revenue.

History of GAAP

For as long as money has changed hands, there has been some form of accounting. The practices familiar to us now emerged around the 15th century with the codification of double-entry bookkeeping, in which credits and debits were logged in distinct columns.

Although internal audits at companies were common during the Industrial Revolution, poor financial reporting procedures were partially blamed for the economic problems that led to the Great Depression.

One of the reforms spurred by the Depression was the establishment of the U.S. Securities and Exchange Commission (SEC), which was given the power in 1934 to supervise accounting methods. Today, the SEC relies on the Financial Accounting Foundation (FAF), an independent professional accounting group, to develop standards. The Financial Accounting Standards Board (FASB) and the Governmental Accounting Standards Board (GASB), two standards-setting organizations within the FAF, developed GAAP, and work to oversee and improve it.


Even if a company’s financial statement looks rosy, that doesn't necessarily mean it's a good investment for you. It's up to you as an investor to know what information you value the most and scrutinize all financial statements with care.

Alternatives to GAAP

Even companies that generally adhere to GAAP may still put out other, non-GAAP-compliant financial statements. These are known as “pro forma” statements.

With non-GAAP financial reporting, the company presents historical or projected financial results through measures that exclude amounts in comparable GAAP measures. For example, adjusted earnings before interest, taxes, depreciation, and amortization (EBITDA) is a common non-GAAP measure.


Audit Analytics, an independent research provider, issued a study based on three years of financial reporting and concluded that non-GAAP reporting was on the rise. It found that in 2017, 97% of companies in the S&P 500 had at least one non-GAAP metric in their reporting. However, only 76% of companies used non-GAAP metrics in 2006, and just 59% did in 1996.

Supporters of non-GAAP argue that pro-forma statements allow financials to be reported with more nuance and present a clearer picture for investors. The SEC, however, has expressed concern that such statements can potentially obscure results and deceive investors.

In addition, non-U.S. companies often do not follow GAAP standards. Companies in more than 100 countries (and more than two-thirds of G20 nations) follow standards set by the International Financial Reporting Standards (IFRS) Foundation, which are broadly similar to GAAP.

Other companies report financials using a combination of GAAP and non-GAAP methods, although non-GAAP financials are more likely to appear in press releases or investor presentations than the audited documents sent to the SEC.

Some have argued that a combination of the two frameworks is more advantageous than either convention on its own. For example, FASB members have noted that using non-GAAP information to supplement official GAAP statements can be useful, with some arguing that the non-GAAP information offers insights into how management sees a firm's performance.

McKinsey & Company, a global business consultancy, published a report arguing that income statements from companies that use GAAP reporting are hard to interpret. In fact, McKinsey noted that many companies already have reported some earnings differently in an effort to provide more clarity to investors.

Key Takeaways

  • GAAP is a set of accounting standards developed by the FASB and GASB, and used by public companies as well as other organizations.
  • GAAP aims to produce relevant, comparable, verifiable, and comprehensible financial information.
  • Investors can use financial statements prepared in accordance with GAAP to better assess the financial positions of different companies.
  • Non-GAAP financial reporting is on the rise, although a combined method of GAAP and non-GAAP reporting is considered by some experts to provide the most value.
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  1. FAF. "About GAAP." Accessed Aug. 4, 2020.

  2. FAF. "Accounting Standards." Accessed Aug. 4, 2020.

  3. U.S. Securities & Exchange Commission. "Topic 8 - Non-GAAP Measures of Financial Performance, Liquidity, and Net Worth." Accessed Aug. 4, 2020.

  4. Audit Analytics. "Long-Term Trends in Non-GAAP Disclosures: A Three-Year Overview." Accessed Aug. 4, 2020.

  5. U.S. Securities and Exchange Commission. "Cautionary Advice Regarding the Use of "Pro Forma" Financial Information in Earnings Releases." Accessed Aug. 4, 2020.

  6. IFRS. "CMAC—Call for Members." Accessed Aug. 4, 2020.

  7. FASB. "For the Investor: The Use of Non-GAAP Metrics." Accessed Aug. 4, 2020.

  8. McKinsey & Company. "Building a Better Income Statement." Accessed Aug. 4, 2020.

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