Key Tax Deadlines for 2025 - A Comprehensive Guide for Business Owners
- Vish Raj
- Jan 28
- 3 min read

As a business owner, staying ahead of important tax deadlines is crucial to avoid penalties and ensure your financial records are in order. In 2025, there are several key tax deadlines you must remember, depending on your business structure and the type of taxes you need to file.
Whether you're managing a partnership, S corporation, LLC, or a C corporation, missing these deadlines could lead to costly consequences.

Here's a quick guide to the essential tax dates for 2025, so you can plan and stay compliant.
January 31, 2025
Send Form W-2 to employees.
Send Form 1099-NEC for freelance/self-employment income and Form 1099-K for third-party payments.
March 15, 2025
Partnerships, S corporations, and multi-member LLCs tax returns due.
Form 2553 due to elect S corporation status for 2024.
Request tax extension (Form 7004) for partnerships and S corpporations
Filing extension , allows to file the return by September 15, 2025
April 15, 2025
C corporations, sole proprietors, single-member LLCs, and LLCs taxed as corporations tax returns due.
Request tax extension if needed.
Quarterly Estimated Tax Payments
June 16, 2025 – Second quarter payments due.
September 15, 2025 – Third quarter payments due.
September 15, 2025
Extended deadline for partnerships and S corps that filed for an extension.
October 15, 2025
Extended deadline for C corporations and sole proprietors.
January 15, 2026
The estimated tax payments for the fourth quarter of 2025 are due.
Tip: Stay on top of your deadlines to avoid penalties and ensure a hassle-free tax filing experience. If you need help or have questions, Raj and Associates, one of the leading tax & accounting firms in Fairfax, VA, offers expert tax preparation and planning services to help you navigate the process and maximize your tax savings.
How to Pay Your Business Taxes
IRS Direct Pay: Pay directly from your bank account via IRS Direct Pay.
EFTPS: Use the EFTPS system for secure online payments.
Credit/Debit Card: Pay through third-party processors (fees apply). Learn more on the IRS Payments page.
Mail: Send a check with Form 1040-V to the IRS.
Stay ahead of deadlines and avoid penalties. Contact Raj and Associates for tailored tax solutions that make paying taxes stress-free. Let us take care of your tax needs so you can focus on what matters most—your business!
2025 Tax Deadlines for Business Owners : Key FAQs
1. What is the deadline for sending Form W-2 to my employees?
The deadline to send Form W-2 to your employees is January 31, 2025. This form reports your employees' wages and the taxes withheld from their paychecks.
2. What is Form 1099-NEC, and when should I send it?
Form 1099-NEC is used to report payments made to independent contractors or freelancers. It should be sent to contractors by January 31, 2025 if you've paid them $600 or more during the year.
3. What is the due date for filing tax returns for partnerships and S corporations?
For partnerships, S corporations, and multi-member LLCs taxed as partnerships, the tax return is due on March 15, 2025. If you need more time, you can request an extension.
4. When are estimated tax payments due?
Estimated tax payments for the year 2025 are due on the following dates:
First quarter: April 15, 2025
Second quarter: June 16, 2025
Third quarter: September 15, 2025
Fourth quarter: January 15, 2026
5. How do I request an extension for my business taxes?
To request an extension, businesses must file Form 7004. This allows additional time to file your tax returns but does not extend the time to pay any taxes owed.
6. Can I pay my business taxes with a credit card?
Yes, you can pay your business taxes using a credit or debit card through authorized third-party processors. Please note that fees may apply.
7. What should I do if I miss the deadline for my business tax payment?
If you miss the payment deadline, it’s important to pay as soon as possible to minimize penalties and interest. You may also want to consider filing for an extension to delay filing, though the payment deadline remains the same.
Need help with your tax preparation this filing season? No worries — whether you're filing as an individual or a business, Raj & Associates is here to assist you. Our expert team offers personalized tax planning and preparation services to ensure a smooth and stress-free experience. Reach out to us today and let us guide you through the process!
This article provides general information and is not intended as legal or financial advice. You must seek guidance and advise of a professional tax preparer or a Certified Public Accountant before taking any advise.