Income tax. Sales tax. Franchise tax. Excise tax.
They all sound similar, but they serve very different purposes—and understanding the difference is an important part of managing your business and staying compliant.
Here’s a simple breakdown.
Income Tax: Tax on Your Profit
Income tax is generally based on your taxable income or profit.
Depending on your business structure, that income may be reported on your personal tax return, your business tax return, or both. Federal income taxes are paid to the IRS, and many states also impose their own income tax.
The key takeaway? Income tax is generally tied to what your business earns after applicable deductions and adjustments.
Sales Tax: Tax Collected From Your Customers
Sales tax works differently.
Sales tax is generally not based on your profit. Instead, when you sell taxable products or services, you collect sales tax from your customers and remit that money to the state.
That means sales tax you collect isn't business income—it is money you're collecting on behalf of the state.
Depending on the state and how much tax you collect, you may be required to file sales tax returns monthly, quarterly, or annually.
Excise Tax: Generally Based on Business Earnings
When discussing state business taxes, excise tax is generally based on net earnings or taxable income after allowable deductions and state adjustments.
In that way, it can be more similar to an income tax because it looks at what the business earned rather than simply the amount of revenue it collected.
Generally, if your business earns more taxable income, you may owe more excise tax. If your business has little or no taxable income, the excise tax may be very low or even zero.
It's important to note that this discussion is about state business excise taxes, not federal excise taxes on specific products or activities such as fuel or tobacco.
Franchise Tax: A Tax for the Privilege of Doing Business
Franchise tax is generally a tax or fee imposed for the privilege of doing business in a state.
Unlike income tax, it generally isn't based solely on your profit. Each state establishes its own formula for determining how much a business owes.
Depending on the state, the calculation may consider things such as:
- Net worth or owner's equity
- Capital employed in the state
- Assets located in the state
- Gross receipts or revenue
- A flat annual fee
Some states don't have a franchise tax at all, while others use different names or calculation methods for similar business taxes.
Why State Matters
One of the most important things to remember is that there isn't one universal set of rules for franchise and excise taxes.
These are generally state-level business taxes, and the way they are calculated, filed, and paid can vary significantly from state to state.
For example, Tennessee businesses file franchise and excise taxes on the same return, but the two taxes are calculated differently.
If your business operates in more than one state, your tax filing obligations can become even more complicated.
When Are These Taxes Paid?
Franchise and excise taxes are often reported on an annual return, but payment schedules vary by state. Some businesses may also be required to make estimated payments throughout the year.
For example, in Tennessee, businesses that meet certain tax liability thresholds are required to make quarterly estimated franchise and excise tax payments, even though the return is filed annually.
The Easy Way to Remember
Here's a simple way to keep these taxes straight:
Income tax: Based on your profit.
Sales tax: Collected from customers and remitted to the state.
Excise tax: Generally a state business tax based on earnings.
Franchise tax: Generally based on a state-defined measure of your business, such as net worth, capital, assets, revenue, or another state-established formula.
Don't Let Tax Deadlines Sneak Up on You
A great way to stay organized is to maintain a tax compliance calendar.
Include your:
- Payroll tax deposits
- Sales tax filings
- Estimated tax payments
- Income tax deadlines
- Annual reports
- Franchise and excise tax filing requirements
Having everything in one place can help prevent missed deadlines and unnecessary penalties.
And remember: tax laws vary by state and can change over time.
If you're unsure which taxes apply to your business or when they're due, don't guess. Talk with your accountant or tax professional. It's much easier to ask questions before a deadline than to fix a problem afterward. Understanding your tax responsibilities can give you more confidence—and help you avoid unpleasant surprises.
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