File Your Oklahoma Business Taxes with Ease
X.TAX ensures accurate, secure, and stress-free filing for all your Oklahoma tax forms.
Simplify Oklahoma Business Tax Filing
Stay informed and maximize savings with OK Biz tax insights.
Oklahoma offers a favorable business tax environment with no corporate income tax. The state provides various incentives, such as the Quality Jobs Program and the Small Employer Quality Jobs Program. This supportive landscape fosters economic growth and innovation, making Oklahoma an attractive hub for businesses of all sizes
Oklahoma Business Tax Forms
Know OK BIZ Tax Forms, which required for your business to stay compliant with Oklahoma’s regulations and avoid penalties.
Corporate Income Tax Forms
- Form 1120 (C Corporation Income Tax Return)
- Form 1120S (S Corporation Income Tax Return)
- Form OW-8-ES: Estimated Income Tax Payment for Corporations
- Form 512: Corporation Income Tax Return
- Form 512-S: Small Business Corporation Income Tax Return
- Form 512-S-SUP: Supplemental Schedule for Form 512-S
- Form 512-SA: Nonresident Shareholder Agreement Income Tax Form
- Form 504: Application for Extension of Time to File Corporate Income Tax Return
Partnership and S-Corporation Forms
- Form 1065: Partnership Return
- Form 1120S: S-Corporation Income Tax Return
- Form OW-8-ESPTE: Pass-Through Entity Return
Estate and Trust Forms
- Form 1041: U.S. Income Tax Return for Estates and Trusts
- Form OW-8-FID: Oklahoma Fiduciary Income Tax Return
LLCs
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Multi-member LLCs typically file:
Form 1065 (Partnership Income Tax Return)
How to File Oklahoma Business Taxes Online
File smarter with X.TAX in just four simple steps.
Create an Account
Set up your profile securely.
Upload Your Information
Enter your income, expenses, and tax forms.
Review for Errors
Use smart tools to verify accuracy.
Submit to the State
File with one click and track your submission.
Oklahoma Business Tax Deadlines
Never miss a deadline with X.TAX reminders.
| Business Type | Forms | Due Date |
|---|---|---|
| Corporations | Form 1120 | May 15, 2025 |
| Form 1120S | April 15, 2025 | |
| Form 512 | April 15, 2025 | |
| Form 512-S | April 15, 2025 | |
| Form 512-S-SUP | April 15, 2025 | |
| Form 512-SA | April 15, 2025 | |
| Form 504 | April 15, 2025 | |
| Partnership & S-Corporation Forms | Form 1065 | April 15, 2025 |
| Form 1120S | March 15, 2025 | |
| Form OW-8-ESPTE | April 15, 2025 | |
| Estates and Trusts | Form 1041 | April 15, 2025 |
| Form OW-8-FID | May 1, 2025 | |
| LLCs | Form 1065 (Partnership Income Tax Return) | April 15, 2026 |
Oklahoma Business Tax Exemptions
Maximize savings with these common exemptions.
Sales and Use Tax Exemptions
Property Tax Exemptions
Industry-Specific Exemptions
Valid exemption certificates or documentation may be required to claim these exemptions.
X.TAX: Your Oklahoma Tax Filing Partner
Experience accuracy, ease, and compliance like never before.
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- Detect and address audit triggers early using Data Signals.
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RiskScore
- Track your IRS account status in real time.
- Receive alerts about potential filing issues or unresolved balances.
AItomatic Filings
- Let CPAs handle your filings for $250.
- Includes audit protection for a full year.
QuickBooks Integration
- Import financial data directly for faster, error-free filings.
Trusted by Oklahoma Businesses
See why businesses choose X.TAX.
Answers to Your Oklahoma Tax Filing Questions
Get clear answers to the most common tax queries.
What makes X.TAX ideal for Oklahoma business tax filing?
We simplify tax filing with tools for accuracy, compliance, and audit protection.
How do I know which forms my business needs?
X.TAX provides all required forms and guides you step-by-step.
Are there specific deadlines I should be aware of?
Yes. Key deadlines include April 15 for corporate tax filings and March 15 for S-corporations.
Can I file without professional help?
Oklahoma offers numerous exemptions for nonprofits, manufacturers, and specific industries. X.TAX ensures you don’t miss any savings.
Why should I choose X.TAX for my California business e-filing?
Yes, our platform is user-friendly, but professional filing is available if you prefer.
Is my information secure on X.TAX?
Absolutely. We use advanced encryption for safe and secure submissions.
Can X.TAX help with late filings?
Yes. We can file extensions and help minimize penalties.
