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Hawaiicorporate tax inOklahoma
Low — top rate under 5%

Oklahoma

Top Rate
4%
Rate Structure
Flat
Franchise Tax
Yes
Gross Receipts Tax
No
S-Corp Recognized
Yes

Corporate Income Tax Rate at a Glance

Oklahoma's top corporate income tax rate is 4%, applied as a flat rate. This places Oklahoma in the "Low (under 5%)" tier among U.S. states.

Rate Structure (Flat vs. Graduated)

4.0% flat rate (reduced from 6.0% effective 2022).

Franchise Tax / Annual Privilege Tax

Oklahoma reinstated the Franchise Tax effective tax year 2014. Rate: $1.25 per $1,000 of capital employed in Oklahoma, capped at $20,000. Minimum $0 (no minimum since 2017 changes).

S-Corp & Pass-Through Treatment

Oklahoma recognizes federal S-corp election. Pass-through entities may elect to pay tax at the entity level under Oklahoma's PTE election (HB 2665, 2019) at the highest individual rate.

Official State Revenue Department

For current corporate tax rules in Oklahoma, consult the state's official source at https://oklahoma.gov/tax/. Rates and rules change annually — verify with a qualified tax professional before taking any action.

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Related guides

Oklahoma Department of Revenue: https://oklahoma.gov/tax/
Law last updated: 2025Row last reviewed: Apr 26, 2026

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.