Get ready for a new calendar of important deadlines for your business. As you start your 2025 planning, here are a few important small business tax deadlines that need to be added to your calendar.
See when you need to pay quarterly taxes, send tax documents to your team, file your taxes, and more.
2025 Important Tax Deadlines for Small Businesses
Don’t miss a tax deadline in 2025. Use this calendar to add dates, plan ahead, and get everything done on time.
January 2025
- January 15: Estimated tax payment for 4th quarter of 2024 due
- January 31: Deadline for employees to receive W-2 forms and contractors to receive 1099 forms
March 2025
- March 17: Deadline for partnership and S-corporation tax returns
- March 17: Deadline for partnerships and S-corporations to request a 6-month income tax return extension
April 2025
- April 15: Estimated tax payment for 1st quarter of 2025 due
- April 15: Deadline to make a 2024 IRA contribution
- April 15: Deadline for C-corporation and individual tax returns
- April 15: Deadline for C-corporations and individuals to request a 6-month income tax return extension
June 2025
- June 16: Estimated tax payment for 2nd quarter of 2025 due
September 2025
- September 15: Estimated tax payment for 3rd quarter of 2025 due
- September 15: Deadline for extended partnership and S-corporation tax returns
October 2025
- October 15: Deadline for extended C-corporation and individual tax returns
December 2025
- December 31: Deadline to contribute to employer-sponsored retirement plan for 2025
January 2026
- January 15: Estimated tax payment for 4th quarter of 2025 due
Get out your calendar, and mark these dates. Also, add notes to your calendar for the week before the deadline so you can plan ahead and avoid missing each tax deadline.
Related: 7 Reasons to Start Year-End Tax Planning Right Now
Are These All the Tax Deadlines You Need to Know?
This list can help you begin to track important tax deadlines for your business. But, this isn’t everything you need to know. Here are a few other considerations to keep in mind.
- If your business files tax returns for a fiscal year (not for a calendar year), some tax deadlines will change.
- You need to look into what state and local taxes your business may be responsible for throughout the year.
- Depending on your business, corporate structure, services offered, type of employees, and other factors, you may have more tax liability than is listed in this calendar.
If you run a business, it’s best to get professional advice about what taxes your business owes and when based on the unique factors of your business. We recommend starting with this calendar and then talking to a professional tax planner who can tell you exactly what your business needs to be aware of throughout the year.
Related: These 6 Small Business Tax Deductions Are Overlooked Too Often
What If You Miss a Tax Deadline?
If you miss an important small business tax deadline, you may face financial penalties.
If you fail to file, you may have to pay up to 5% of the tax due per month with additional fees adding on after 60 days. If you fail to pay, you may have to pay up to one-half of 1% for each month or part of a month.
Missing tax deadlines can be an expensive mistake. Do your best to avoid missing deadlines by adding these important dates to your calendar.
Related: The 10 Tax Mistakes You Don’t Want Your Small Business to Make
Make Sure You Never Miss a Tax Deadline
One of the best ways to ensure that you meet tax deadlines and avoid paying costly fines and fees is by working with a business tax partner. A professional tax partner can help you identify what tax deadlines you need to know and help you meet them each year.
Find out how a professional tax partner can help you stay on the right track with small business taxes, plan better, and file and pay everything on time. Schedule your intro call with CFO2U today. Our goal is your success, and we’d love to see how we can help you avoid missing any of these important tax deadlines for 2025.
Let’s talk. Schedule your intro call today.
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