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South Carolina
Corporate Income Tax Rate at a Glance
South Carolina's top corporate income tax rate is 5%, applied as a flat rate. This places South Carolina in the "Moderate (5–7.99%)" tier among U.S. states.
Rate Structure (Flat vs. Graduated)
5.0% flat corporate income tax rate.
Franchise Tax / Annual Privilege Tax
South Carolina imposes a Corporate License Fee (a form of franchise tax) on corporations: $15 plus $1 per $1,000 of capital and paid-in surplus, with a minimum of $25.
S-Corp & Pass-Through Treatment
South Carolina recognizes federal S-corp election. S-corps still pay the License Fee. Pass-through entities may elect to pay tax at the entity level under SC's I-435 PTE election at 3.0% (the active trade or business rate).
Official State Revenue Department
For current corporate tax rules in South Carolina, consult the state's official source at https://dor.sc.gov/tax/corporate. Rates and rules change annually — verify with a qualified tax professional before taking any action.
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Corporate income tax rates change frequently as states enact reform packages and phase-down schedules. Always verify current rates with the state's department of revenue and your tax advisor before making business decisions. This information is for educational purposes only and is not tax or legal advice.