Key Filing Deadlines for 2025
We’re committed to helping you stay ahead of important tax deadlines. Here’s everything you need to know about filing deadlines and document requirements for the 2025 tax season.
Business Tax Returns
S-Corporations and Partnerships
- Filing Deadline: March 15, 2025
- Extended Deadline: September 15, 2025
- Document Submission Deadline: February 15, 2025
- For Fiscal Year Companies: Due on the 15th day of the third month after fiscal year-end, with a 6-month extension available
C-Corporations
- Filing Deadline: April 15, 2025
- Extended Deadline: October 15, 2025
- Document Submission Deadline: March 15, 2025
- For Fiscal Year Companies: Due on the 15th day of the fourth month after fiscal year-end, with a 6-month extension available
Exempt Companies and Non-Profit Organizations
- Filing Deadline: May 15, 2025
- Document Submission Deadline: February 15, 2025
- For Fiscal Year Companies: Due on the 15th day of the fifth month after fiscal year-end
- Extended Deadline: Six months from original due date (15th day of the 11th month after fiscal year-end)
Individual Tax Returns
Key Dates
- Filing Deadline: April 15, 2025
- Document Submission Deadline: March 15, 2025
- Extended Deadline: October 15, 2025
Note: To ensure timely filing, please submit your documents by March 15th. Returns will be placed on extension if documents are received after this date.
Quarterly Estimated Tax Payments
- Q1: April 15, 2025
- Q2: June 15, 2025
- Q3: September 15, 2025
- Q4: January 15, 2026
Employment Tax Requirements
W-2s and 1099s
- Distribution Deadline: January 31, 2025
Quarterly Payroll Tax Returns
- Q1: April 30, 2025
- Q2: July 31, 2025
- Q3: October 31, 2025
- Q4 & Annual: January 31, 2026
Monthly Reporting Requirements
Sales Tax & Bookkeeping
Bank statements and related documents are required within one week after month-end to ensure timely processing and reporting.
Strategic Planning Considerations
Documentation Requirements
The IRS has increased documentation requirements. Maintain detailed records of:
- Business use of vehicles
- Home office expenses
- Energy efficiency improvements
- Employee training programs
- Digital payment transactions
Action Steps for Your Business in 2025
- Schedule a tax planning meeting early in the year to review any changes
- Update your accounting software to track new categories of expenses
- Review and update your payroll systems for new credit calculations
- Evaluate potential energy efficiency projects against available incentives
- Implement systems to track digital payment transactions
Common Pitfalls to Avoid
- Missing filing deadlines for new credits and incentives
- Insufficient documentation for enhanced deductions
- Overlooking state tax implications of remote workers
- Failing to track digital payment transactions properly
- Not maintaining required energy efficiency certification
Remember: Tax laws can be complex and subject to change. Always consult with a qualified tax professional for advice specific to your business situation.
