Missouri LLC annual report & franchise tax deadlines 2026-2027
Every recurring Missouri filing for LLCs, S corps and C corporations — due dates, fees and the official source for each. Last verified Oct 21, 2026.
LLC
| Report | No annual report for LLCs Partly confirmed — verify |
|---|---|
| Due | Missouri LLCs do not file an annual report |
| State fee | — |
| How often | annual |
Corporation (C & S corp)
| Report | Annual Registration Report Confirmed on official page |
|---|---|
| Due | By the end of the incorporation month each year (biennial option available) |
| State fee | $20 online / $45 paper |
| How often | annual |
Franchise & entity-level taxes
| No separate statewide franchise or entity-level tax listed for this state. |
State income & estimated tax
| Corporate income tax | Yes |
|---|---|
| C corp return | Apr 15 (MO-1120) |
| Partnership / S corp return | Apr 15 (MO-1065 / MO-1120S) |
| Corporate estimates | Apr 15, Jun 15, Sep 15, Dec 15 (follows the federal corporate schedule) |
General pattern — verify Calendar-year pattern; confirm with the revenue department.
Sales tax
Monthly returns due the 20th; quarterly and annual returns due the last day of the month after the period.
General pattern — verify Your assigned frequency and due day appear in your state tax account.
IRS disaster postponements in Missouri
No active IRS disaster postponements for Missouri as of Oct 21, 2026. See all deadline changes.
Your Missouri calendar
Add your formation month/year to date anniversary-based reports. Calendar-year filers; weekend and federal-holiday dates roll to the next business day.
Upcoming deadlines
Not tax advice — verify each date with the linked source. Fiscal-year filers' dates differ.
Tools that help you stay compliant
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Missouri deadline FAQ
When is the Missouri LLC annual report due?
Missouri LLCs do not file an annual report.
How much does the Missouri LLC annual report cost?
There is no LLC annual report fee because no report is filed; see the franchise/entity taxes section for any annual tax.
When is the Missouri corporation annual report due?
By the end of the incorporation month each year (biennial option available). Fee: $20 online / $45 paper. S corporations file the same report as other corporations.
Does Missouri have a franchise tax or annual LLC tax?
We don't list a separate statewide franchise or entity-level tax for Missouri. Income and sales taxes may still apply.
When are Missouri business income tax returns due?
C corporations: Apr 15 (MO-1120). Pass-through entities (partnerships, S corps): Apr 15 (MO-1065 / MO-1120S). These are general calendar-year patterns — confirm with the state revenue department.
How often do I file Missouri sales tax?
Monthly returns due the 20th; quarterly and annual returns due the last day of the month after the period.
What happens if I miss a Missouri deadline?
Most states charge a late fee or penalty and interest, and an entity that keeps missing its annual report can lose good standing and eventually be administratively dissolved. Check the official source for the exact penalty and reinstatement steps.
Official sources
- https://www.sos.mo.gov/business/corporations/generalInfo
- https://dor.mo.gov
- https://www.sos.mo.gov/CMSImages/Business/fees.pdf
- https://revisor.mo.gov/main/OneSection.aspx?section=351.120
- https://revisor.mo.gov/main/OneSection.aspx?section=351.122
- https://revisor.mo.gov/main/OneSection.aspx?section=351.125
- https://revisor.mo.gov/main/OneSection.aspx?section=351.127
- https://revisor.mo.gov/main/OneSection.aspx?section=351.484
- https://revisor.mo.gov/main/OneSection.aspx?section=351.486
- https://revisor.mo.gov/main/OneSection.aspx?section=351.488
Federal dates: IRS Publication 509. Disaster relief: IRS tax relief in disaster situations.
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