The 2026 Compliance Calendar for US business owners
Every state filing deadline. Every federal due date. Every registered agent renewal window. Printable, downloadable, and continuously updated for 2026.
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What is inside the 2026 Compliance Calendar
- Annual report deadlines for all 50 states + DC
- Federal tax deadlines (Form 1040, 1120, 1120-S, 1065, 941, 940)
- BOI reporting initial and update windows
- S-Corp election cutoffs (Form 2553)
- State-level sales tax filing schedules
- Quarterly estimated tax dates (federal + state where applicable)
- Payroll tax deposit schedules
- Charitable solicitation renewal windows (40 states)
- Printable monthly calendar grid + weekly priority list
Who this is for
Founders forming their first business, accountants advising small business clients, attorneys helping clients with formation, and anyone running a US business who wants the relevant deadlines and decisions in one place.
Why we made this free
File.Business is a business operating system, not a paywalled content factory. We make money when founders use our formation, registered agent, and compliance services. The more accurate information you have, the better choices you make.
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File.Business handles formation, registered agent, annual reports, registered agent renewals, and the operating tools you need afterward. $0 service fee. Penalty-free guarantee.
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