The 2026 Compliance Calendar for US business owners
Every state filing deadline. Every federal due date. Every BOI update 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, BOI, annual reports, and the operating tools you need afterward. $0 service fee. Penalty-free guarantee.
Start my business See pricingOn the $129/yr Compliance Annual Filings plan, we cover state late fees.
When you autofile your annual report through the $129/yr plan and we miss the deadline, we pay the state's late fee. The guarantee applies to that specific plan and the filings it includes. Other File.Business services are billed at the prices on this page.