For closely held corporations, retaining profits may seem like a sound strategy for reinvestment or risk mitigation. But when earnings exceed what’s considered “reasonable” for business needs, the IRS may step in with a steep penalty—known as the Accumulated Earnings Tax (AET). This little-known rule can catch even well-meaning businesses off guard, particularly those without formal documentation of their capital plans.
In this article, we break down what the AET is, who it affects, and how to mitigate risk through proper planning.
What is the Accumulated Earnings Tax?
The accumulated earnings tax (AET) is a penalty tax intended to encourage corporations to distribute income to shareholders rather than hoard it. The tax is imposed if a corporation accumulates earnings and profits (E&P) beyond what is considered the reasonable needs of its business.
The AET is an additional 20% tax on top of the standard corporate tax rate of 21%, meaning affected corporations could face a combined federal tax rate of 41% on undistributed income.
If imposed, the AET could create a sizeable tax burden and you’ll want to understand all your options for payment.
Which Taxpayers Are Not Subject to the AET?
The following entities are not subject to the accumulated earnings tax:
- Personal Holding Companies
- Tax-Exempt Corporations
- Passive Foreign Investment Companies (PFICs)
- S Corporations
When is a Corporation Subject to the AET?
A corporation may be subject to the accumulated earnings tax if all of the following conditions are met:
- The corporation was formed or used to avoid income tax on shareholders by retaining earnings instead of distributing them.
- The corporation has accumulated earnings and profits beyond reasonable business needs.
- The corporation is not exempt from AET under the categories mentioned above.
What Counts as “Reasonable Business Needs”?
Examples of reasonable business needs include:
- Planned business expansion
- Working capital requirements
- Debt or equity retirement
- Acquisition of another business
- Business contingencies or uncertainties
To defend these retained earnings, it’s essential to maintain formal documentation, such as minutes from board of directors meetings, detailing the intent and timing of the expenditures. Ongoing documentation can significantly improve audit defensibility.
How is the AET Calculated?
The accumulated earnings tax is computed by applying a 20% tax rate to the corporation’s accumulated taxable income.
Accumulated taxable income is derived from the corporation’s taxable income, adjusted for the following:
- Federal income taxes accrued
- Charitable contributions
- Dividends received deduction
- Net operating loss (NOL) deductions
- Capital loss carryovers or carrybacks
- Dividends paid during the year
- Accumulated earnings credit
To learn more about the IRS’s guidance on this topic, see the Internal Revenue Manual Section 4.10.13.
Conclusion: AET Planning is Tax Planning
The accumulated earnings tax is rarely discussed until it’s too late. For founders, CFOs, and privately held corporations aiming to retain profits for valid reasons, the key is proactive documentation and intentional planning.
At Aura Advisors, we specialize in balancing creative tax strategies with full defensibility. Whether you’re preparing for a liquidity event, managing retained earnings, or planning corporate expansion, our team ensures your approach aligns with IRS expectations—without sacrificing your growth potential.
Need help defending your retained earnings strategy? Contact Aura Advisors for customized guidance.
Aura Advisors is a boutique tax consulting and compliance firm working with start-ups, emerging growth companies, and affluent individuals. Making it safer for good people and good companies to continue to do good things.