2025 Quarterly Tax Deadlines: Essential Calendar for Kansas Small Business Owners

Keeping track of tax deadlines can feel like another full-time job on top of your already packed schedule. We understand the challenges you face when juggling customer demands, daily operations, and tax compliance. Missing important tax deadlines can result in unnecessary penalties and stress for your business.

 

Why Quarterly Tax Deadlines Matter

For many small businesses, tax obligations aren’t just an annual event – they’re a quarterly responsibility. Staying on top of these dates helps maintain cash flow, avoid penalties, and keep your business in good standing with tax authorities.

 

Key Quarterly Tax Deadlines for Kansas Small Businesses

First Quarter (January – March)

January 15, 2025: Fourth quarter estimated tax payments for the previous tax year
January 31, 2025: Deadline to send W-2 forms to employees and 1099 forms to contractors
February 28, 2025: Deadline to file Form W-3 and 1099 information returns with the IRS
March 15, 2025: S-Corporation and partnership tax returns due (Form 1120-S and 1065)

Second Quarter (April – June)

April 15, 2025:

  • Individual and C-Corporation tax returns due
  • First quarter estimated tax payments
  • Kansas state income tax returns due

April 20, 2025: Kansas sales tax returns and payments due for monthly filers
April 25, 2025: Kansas sales tax returns and payments due for quarterly filers
June 15, 2025: Second quarter estimated tax payments

Third Quarter (July – September)

July 31, 2025: Kansas privilege tax payments due (for certain businesses)
September 15, 2025: Third quarter estimated tax payments
September 30, 2025: Kansas annual report filing deadline for many businesses

Fourth Quarter (October – December)

October 15, 2025: Extended individual and C-Corporation tax returns due
December 31, 2025: Last day for tax-deductible expenses for the current tax year

Tips for Managing Quarterly Tax Obligations

  • Create a tax calendar: Mark all important dates on your business calendar and set reminders at least two weeks before each deadline.
  • Maintain organized records: Keep your financial records updated throughout the quarter, not just when deadlines approach.
  • Set aside tax funds: Establish a separate account for tax obligations to ensure you have funds available when payments are due.
  • Understand your specific requirements: Different business structures have different filing requirements. Know which forms apply to your business type.
  • Consider electronic filing: The IRS and Kansas Department of Revenue offer electronic filing options that can streamline the process and provide confirmation of receipt.

When to Seek Professional Help

Many small business owners find that working with a professional accountant saves time, reduces stress, and often pays for itself through proper tax planning and avoiding penalties.

Consider professional assistance if:

  • Your business has experienced significant growth or changes
  • You’re unsure about deductions or credits you qualify for
  • You’ve missed deadlines in the past
  • You’re spending excessive time managing tax compliance

Let Us Help You Stay on Track

At CGP Group, we specialize in helping Kansas small business owners navigate tax requirements with confidence. Our team can help you establish efficient systems for tracking deadlines, prepare and file your returns accurately, and develop strategies to minimize your tax burden.

Don’t let tax deadlines add unnecessary stress to your busy schedule. Contact us today to discuss how we can support your tax needs.

This blog post is for informational purposes only and does not constitute legal or financial advice. Always consult with qualified professionals about your specific situation.

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