Wisconsin: annual report deadlines, fees and closing a business
For LLCs and corporations registered in Wisconsin. Facts last verified against the official pages linked below.
Find my exact due date File on the official Wisconsin site
At a glance
| Entity | Annual report due | Fee | Late |
|---|---|---|---|
| LLC (annual report) | By the end of the calendar quarter that contains the anniversary of organization (March 31, June 30, September 30 or December 31), each year after the year the LLC was organized. Foreign LLCs file in the first quarter (by March 31) | $25 online; $40 on paper (a $15 paper surcharge since March 1, 2024). Foreign LLC: $80 | No separate late fee found on the pages read. |
| Corporation (annual report) | During the calendar quarter in which the anniversary of incorporation occurs, each year after the year of incorporation (Wis. Stat. 180.1622(3)(a)); the quarter ends March 31, June 30, September 30 or December 31 | $25 online; $40 on paper (DFI fee table). Domestic business corporations are required to file the annual report online through the One Stop Business Portal | No separate late fee found on the pages read. |
LLC (annual report)
- Due: By the end of the calendar quarter that contains the anniversary of organization (March 31, June 30, September 30 or December 31), each year after the year the LLC was organized. Foreign LLCs file in the first quarter (by March 31).
- Fee: $25 online; $40 on paper (a $15 paper surcharge since March 1, 2024). Foreign LLC: $80.
- Late: No separate late fee found on the pages read.
- If you miss it: Failure to file may result in administrative dissolution of a domestic LLC (Wis. Stat. 183.0708) or revocation of a foreign LLC's registration.
- To close it: Dissolution/cancellation filing: $20 online or $35 on paper (DFI fee table). Other closing steps: not yet researched.
Sources: WI DFI: Form 5-I annual report instructions (LLC and nonstock corporation) (PDF) read 2026-10-20 · WI DFI: corporation fees read 2026-10-20 · WI DFI: One Stop Business Portal FAQ read 2026-10-20 · verified 2026-10-20
Corporation (annual report)
- Due: During the calendar quarter in which the anniversary of incorporation occurs, each year after the year of incorporation (Wis. Stat. 180.1622(3)(a)); the quarter ends March 31, June 30, September 30 or December 31.
- Fee: $25 online; $40 on paper (DFI fee table). Domestic business corporations are required to file the annual report online through the One Stop Business Portal.
- Late: No separate late fee found on the pages read.
- If you miss it: not yet researched: the consequence of not filing for business corporations was not on the pages read.
- To close it: Dissolution filing: $20 online or $35 on paper (DFI fee table). Other closing steps: not yet researched.
Sources: Wis. Stat. 180.1622 (business corporation annual report) read 2026-10-20 · WI DFI: corporation fees read 2026-10-20 · WI DFI: One Stop Business Portal FAQ read 2026-10-20 · verified 2026-10-20
Good to know
File online through the One Stop Business Portal.
Since January 3, 2017, domestic business corporations, close corporations and LLCs must file their annual reports online through the One Stop Business Portal. DFI emails entities each quarter when their reports are due in the next quarter.
Source: WI DFI: One Stop Business Portal FAQ read 2026-10-20 · verified 2026-10-20
Quarter, not exact date.
Organized January 1 to March 31: due March 31. April 1 to June 30: due June 30. July 1 to September 30: due September 30. October 1 to December 31: due December 31.
Source: WI DFI: Form 5-I annual report instructions (LLC and nonstock corporation) (PDF) read 2026-10-20 · verified 2026-10-20
Wisconsin business taxes
We have not compiled Wisconsin business tax thresholds or due dates yet. Start at Wisconsin Department of Revenue (state taxes: not yet researched). This page covers annual report or periodic filing rules only; tax details are not yet researched.
Closing a Wisconsin business
Wisconsin closing steps: not yet researched. The federal steps are on the closing checklist. For state steps, start at Wisconsin Department of Financial Institutions (DFI), Division of Corporate and Consumer Services.
Not yet researched for Wisconsin
- late fee, if any
- business corporation consequence of not filing
- closing steps beyond the dissolution filing fee
- Wisconsin Department of Revenue taxes
These items are left out on purpose until they can be confirmed on an official page.
Official links
- Wisconsin Department of Financial Institutions (DFI), Division of Corporate and Consumer Services
- Wisconsin One Stop Business Portal (annual reports)
- Wisconsin Department of Revenue (state taxes: not yet researched)
Beware of mail asking you to pay to file your annual report: see scam mailers.