File Your California Business Taxes Online with X.TAX and Meet Every Deadline
Easily file your CA business tax forms with 100% accuracy, Audit Protect and Assist Filing to avoid penalties and stay Complient

Know About California’s Business Tax System
Here’s How Taxes Are Shaping the Golden State’s Economy
California businesses must file different forms depending on their entity type. Ensuring the correct forms are filed is critical to staying compliant. California’s business tax landscape is as dynamic as its economy. With an 8.84% corporate income tax and a minimum $800 franchise tax, businesses contribute to the state’s vibrant growth. Plus, the sales tax, starting at 7.25%, varies by location, adding a local flavor to the mix.
California Business Tax Forms
Know CA Business Tax Forms, which required for your business to stay compliant with California’s regulations and avoid penalties.
Corporations
- Form 100: California Corporation Franchise or Income Tax Return.
- Form 100S: S Corporation Franchise or Income Tax Return.
- Form 100W: Water’s Edge Filers Franchise or Income Tax Return.
- Form 3461: California Limitation on Business Losses.
- Form 3504: Enrolled Tribal Member Certification.
- Form 3523: Research Credit.
- Form 3801: Passive Activity Loss Limitations.
- Form 3805Z: Enterprise Zone Deduction and Credit Summary.
- Form 3814: New Donated Fresh Fruits or Vegetables Credit.
- Schedule D: Capital Gain or Loss Adjustment.
Partnerships
- Form 565: Partnership Return of Income.
- Form 3804: Pass-Through Entity Elective Tax Calculation.
- Form 3461: California Limitation on Business Losses.
- Form 3526: Investment Interest Expense Deduction.
- Form 3531: California Competes Tax Credit.
- Form 3544: Assignment of Credit.
- Form 3804CR: Pass-Through Entity Elective Tax Credit.
- Schedule EO: Pass-Through Entity Ownership.
Limited Liability Companies (LLCs)
- Form 568: LLC Return of Income and Franchise Tax.
- Form 568: Limited Liability Company Return of Income.
- Form 3522: LLC Tax Voucher.
- Form 3537: Payment Voucher for Automatic Extension.
- Form 3831: Homeless Hiring Tax Credit.
- Form 3567: Installment Agreement Request.
- Form 3568: Dependent Exemption Credit.
- Form 3588: Payment Voucher for LLC E-Filed Returns.
Estates and Trusts
- Form 541: Fiduciary Income Tax Return.
- Form 3525: Substitute for W2 Wage and Tax Statement.
- Form 3805P: Additional Taxes on Qualified Plans Including IRAs.
- Form 5870A: Tax on Accumulation Distribution of Trusts.
- Form 3840: California Like Kind Exchanges.
- Schedule G1: Tax on Lump Sum Distributions.
How to file CA Business Tax online with X.TAX
It’s Just a 4 Step Process to File Your California Business Tax online with X.TAX
Set Up Your Account
Register securely and access all tools in minutes.
Upload Your Information
Enter income, expenses, and other financial details.
Review Your Filing
Identify errors and optimize deductions with review tools.
Submit Your Forms
File directly with the IRS and California Franchise Tax Board.
California Business Tax Filing Deadlines
Don’t Miss These Important CA Business Tax Filing Deadlines
Business Type | Forms | Deadline |
---|---|---|
Corporations | Form 100, 100W | April 15, 2025 |
Form 100S | March 15, 2025 | |
Partnerships | Form 565 | March 15, 2025 |
LLCs | Form 568 | March 15, 2025 |
Estates and Trusts | Form 541 | April 15, 2025 |
California Business Tax Exemptions
Know every CA business exemption your business qualifies
Eligible California businesses can benefit from these exemptions:
Nonprofits
- File Form 3500 to apply for tax-exempt status.
Manufacturing and R&D Equipment:
- Partial sales tax exemptions on qualifying purchases.
Veterans
- Tax exemptions for veterans operating sole proprietorships.
Agriculture
- Exemptions on machinery and equipment used in farming.
Small Businesses
- Reduced rates for businesses with receipts under $1 million.
California Business Tax Filing Software – X.TAX
Get access to tools that provide the ease of filings
Audit Protect
- Detect and address audit triggers early using Data Signals.
- Manage audits efficiently with full support from X.TAX.
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.
Know Why California Businesses Love X.TAX
Hear from the Businesses Themselves
X.TAX made California business e-filing a breeze! Filing Form 568 was straightforward, and the reminders kept me on track. Highly recommend.
Monica R.
I’ve tried several e-filing platforms, and X.TAX is hands-down the best e-filing software. It helped me claim credits I didn’t even know about.
James L.
Thanks to X.TAX, I filed Form 540 on time and avoided penalties. The process was seamless, and their CPA assistance was invaluable!
Sarah K.
E-filing with X.TAX was a game changer. I used their tools to handle my corporate taxes, including Form 100S, and saved hours of work.
Robert T.
X.TAX is the best e-filing software for California businesses. The QuickBooks integration made everything so much easier, and their support team was excellent.
Linda M.
Got Some California Biz TAX FAQ’s
We’ve Got the Answers
What makes X.TAX the best e-filing software for California businesses?
X.TAX simplifies tax filing by matching you with the correct forms, providing deadline alerts, and offering CPA support to ensure accuracy.
Can X.TAX help my California business avoid penalties?
Yes, X.TAX ensures timely submissions for forms like Form 568 and 540 while helping you stay compliant with California tax laws.
Is e-filing with X.TAX secure?
Absolutely. X.TAX uses bank-level encryption to protect your business’s sensitive data during the e-filing process.
Which California business forms can I e-file with X.TAX?
X.TAX supports a wide range of forms, including Form 100, Form 568, Form 540, and specialized credits like Form 3523 and 3506.
Why should I choose X.TAX for my California business e-filing?
X.TAX is the best e-filing software for California businesses because it offers accurate filing, tax-saving tools, QuickBooks integration, and expert CPA assistance.
File Your California Business Taxes with X.TAX Today
Get everything done on time, avoid penalties, and optimize your filings with X.TAX.