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May 2026 Business Tax Deadlines & Compliance Guide

As a business owner, your focus belongs on growth, not tracking payroll schedules. However, staying compliant is an essential part of protecting the wealth you are building. Here are the crucial business tax deadlines for May 2026.

May 11: Form 941 Extended Deadline

If you made full, on-time deposits for your first-quarter 2026 taxes, you have until May 11 to file your Form 941 for Q1.

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May 15: Monthly Employer Deposits

For employers following the monthly deposit rule, May 15 is your deadline to submit Social Security, Medicare, and withheld income taxes for April 2026. This also applies to April's nonpayroll withholding deposits if the monthly rule applies to your business.

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Blumark Tax Advisors offers tax planning, tax preparation, and financial advisory services tailored just for you.
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Scheduling Exceptions and Disaster Relief

Deadlines falling on a weekend or legal holiday automatically push to the next business day. Furthermore, businesses in federally declared disaster areas may qualify for extended relief deadlines. Check current declarations here:

Want to spend less time on tax compliance and more time running your business? Contact the team at Blumark Tax Advisors in Auburn Hills for proactive tax planning and long-term financial clarity.

Want Tax Help?
Blumark Tax Advisors offers tax planning, tax preparation, and financial advisory services tailored just for you.
Contact Us
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