Corporation · Wisconsin · 2026

What a corporation really costs in Wisconsin

Every state fee and deadline for a corporation in Wisconsin, from the official state source, checked October 2026.

To form

$100

Articles of Incorporation - Business Corporation

First year with the state

~$125

Filing + one round of required reports and minimum taxes

With Incorra

$100

Free filing, state fee at cost. Or $349 with Plus (agent + reports, $249/yr).

Every recurring requirement

  • Wisconsin corporation annual reportEvery year in the month you formed (by month-end). Due by the end of the calendar quarter containing the formation anniversary (e.g. formed in Feb -> due March 31), starting the year after formation; modeled as end of anniversary month, which is never later than the real deadline. $25 online, $40 paper.$25

How fast

  • Expedited - next day+$100
  • Expedited - 4 hours (in person)+$250
  • Expedited - 1 hour (in person)+$500

Questions

How much does it cost to form a corporation in Wisconsin?

Wisconsin charges $100 to file the Articles of Incorporation - Business Corporation.

What does a corporation cost every year in Wisconsin?

Wisconsin corporation annual report: $25, every year in the month you formed (by month-end) (Due by the end of the calendar quarter containing the formation anniversary (e.g. formed in Feb -> due March 31), starting the year after formation; modeled as end of anniversary month, which is never later than the real deadline. $25 online, $40 paper.).

Can I expedite a corporation filing in Wisconsin?

Yes: Expedited - next day for $100, Expedited - 4 hours (in person) for $250, Expedited - 1 hour (in person) for $500, on top of the filing fee.

What if my corporation was formed in another state?

To do business in Wisconsin you register as a foreign entity: Application for Certificate of Authority (foreign corporation), $100.

Not sure a corporation is right?

Describe your business and Incorra compares LLC, S-corp and C-corp with your numbers, including the tax when you sell, then files it in Wisconsin.

Plan my company free

Source: https://dfi.wi.gov/Pages/BusinessServices/BusinessEntities/Fees.aspx · verified 2026-10-15. State fees change; Incorra re-checks them regularly. General information, not legal or tax advice.