Key Takeaways
- Corporate tax levied on net profits of C corporations.
- U.S. federal rate is 21% since 2017 TCJA.
- Double taxation: corporate profits and shareholder dividends taxed.
- State taxes add 1%-10%, averaging 26% combined rate.
What is Corporate Tax?
Corporate tax is a levy imposed on the net profits of corporations, primarily affecting C corporations in the U.S. It is calculated on a company’s income after deducting allowable expenses and deductions.
This tax is distinct from personal income tax and targets the earnings of entities recognized as separate legal persons under the law.
Key Characteristics
Corporate tax involves several defining features important for understanding its impact on businesses and investors:
- Tax Base: Applies to net taxable income, calculated as gross revenue minus deductions such as wages, cost of goods sold, and depreciation.
- Federal Rate: The current U.S. federal corporate tax rate is 21%, established by the 2017 Tax Cuts and Jobs Act.
- Double Taxation: Corporate profits are taxed once at the corporate level and again when distributed as dividends to shareholders.
- State Taxes: Additional corporate taxes imposed by 44 states and D.C., with rates ranging generally from 1% to 10%.
- Deductions and Credits: Includes accelerated depreciation methods (such as accelerated depreciation) and research and development credits reducing taxable income.
How It Works
Corporations calculate their taxable income by subtracting deductible expenses from total revenue. The resulting figure is then multiplied by the corporate tax rate to determine the tax owed.
For federal reporting, companies file Form 1120, detailing income, deductions, and tax liability. Some large multinational corporations, including those like JPMorgan Chase, navigate complex rules such as the Base Erosion and Anti-Abuse Tax (BEAT) to address cross-border tax issues.
Examples and Use Cases
Corporate tax affects companies across various industries by influencing their net profitability and shareholder returns. Consider these examples:
- Financial Sector: JPMorgan Chase must account for corporate tax in its earnings, impacting dividend distributions.
- Consumer Goods: Companies tracked by the SPDR S&P 500 ETF Trust reflect the influence of corporate tax policies on broad market performance.
- Technology and Manufacturing: Businesses like Citigroup utilize deductions such as accelerated depreciation to manage taxable income effectively.
Important Considerations
Understanding corporate tax is crucial for effective financial planning and investment decisions. You should consider the impact of double taxation on dividends and the variability of state-level taxes when evaluating corporate profitability.
Tax incentives and deductions can significantly reduce the tax burden, so staying informed about changes in tax law and available credits is essential for both corporations and investors.
Final Words
Corporate tax directly impacts a company’s bottom line by taxing net profits at a flat federal rate of 21%, with potential double taxation on shareholder distributions. Review your business structure and consult a tax professional to optimize deductions and minimize overall tax liability.
Frequently Asked Questions
Corporate tax is a government levy on the net profits of corporations, primarily C corporations in the U.S. It is calculated by subtracting allowable business deductions from total income and then applying the tax rate to the resulting net income.
In the U.S., corporations calculate taxable income by deducting expenses like wages and depreciation from revenue. They file Form 1120 to report income tax, and the federal corporate tax rate is currently 21% since the 2017 Tax Cuts and Jobs Act.
Double taxation occurs when a corporation's profits are taxed at the corporate level at 21%, and then again when those profits are distributed to shareholders as dividends or capital gains, which are taxed at individual rates up to 23.8% or higher.
No, only C corporations are subject to federal corporate tax in the U.S. Pass-through entities like sole proprietorships, partnerships, and S corporations pass their profits directly to owners who pay taxes at individual rates instead.
Corporations can deduct costs such as goods sold, wages, depreciation on assets, interest expenses, advertising, and research and development credits, all of which lower the net income subject to corporate tax.
In addition to the federal 21% rate, 44 states and D.C. impose their own corporate income taxes, typically ranging from 1% to 10%. Combined, the average U.S. corporate tax rate was about 26% in 2022, which is lower than the G7 average.
The TCJA lowered the federal corporate tax rate to 21%, shifted the U.S. from a worldwide to a territorial tax system exempting certain foreign profits, and limited net operating loss deductions, among other reforms.
Multinationals with average annual income over $1 billion may be subject to the Base Erosion and Anti-Abuse Tax (BEAT), which imposes a 10% tax on base-eroding payments to related foreign parties to prevent profit shifting.


