Gullia Filing
Wisconsin state guide - 6 lessons

How to start an LLC in Wisconsin

Wisconsin's Department of Financial Institutions runs a fully online filing system for LLCs, and most Articles of Organization are approved within a few business days once submitted electronically, faster than paper. What trips people up is not the formation itself but the ongoing Annual Report, which falls in the calendar quarter tied to your anniversary of formation rather than a single fixed date shared statewide. This guide walks through naming, the registered agent requirement, the filing itself, tax registration, and the anniversary-quarter report in the order you will need them. For current filing costs, see the Wisconsin LLC cost breakdown, and for a managed filing see forming an LLC in Wisconsin through Gullia Filing.

Wisconsin LLC facts at a glance

Wisconsin LLC facts at a glance
Official filing agencyWisconsin Department of Financial Institutions, Division of Corporate and Consumer Services
Formation documentArticles of Organization
State filing fee$130
Filing methodsOnline through the DFI Business Entity Online Filing system, Mail or drop off a paper form to Madison, In person with optional expedited service
Typical processing (recent)5-7 business days
Typical expedited processing1 business day for an extra $25
Registered agentRequired
Annual Report$25, due End of anniversary quarter
Late penaltyAdministrative dissolution after non-filing
State-level business taxNo franchise tax on LLCs. 7.9% corporate income tax if C-Corp elected.
Publication requirementNone
Online filing discountFiling the Articles of Organization online costs less than the paper filing fee, and DFI processes online submissions faster than mailed paper documents.
Registered agent consentThe person or entity named as registered agent must consent to the appointment, and the registered office must be a Wisconsin street address, not just a PO box.
Name reservationA proposed LLC name can be reserved with DFI for a fee before the Articles of Organization are filed, holding the name for a limited period.
Annual Report paper surchargeFiling the mandatory Annual Report on paper instead of online adds a $15 surcharge on top of the base fee.

Processing times reflect recent official guidance and change often. Check the Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services current processing calendar before you rely on a date.

File it yourself

Wisconsin accepts filings directly from business owners. You do not need us, or any other company, to form your LLC. Here is the official portal.

the DFI Business Entity Online Filing system

The Wisconsin lessons

  1. 1Name your Wisconsin LLCRequired wording, the distinguishable name standard, and reserving a name before you file.
  2. 2Appoint your Wisconsin registered agentWho qualifies, the consent requirement, and how to update the appointment.
  3. 3File the Articles of OrganizationThe online filing system, the fee difference between online and paper, and what the form asks for.
  4. 4Get an EIN and register with the Department of RevenueThe free IRS EIN, Business Tax Registration, and what triggers a Revenue account.
  5. 5Wisconsin LLC taxes, licenses and permitsHow pass-through income is taxed, the graduated rate, sales tax, and local licensing.
  6. 6File your Wisconsin Annual Report and stay compliantThe anniversary-quarter deadline, the online versus paper fee, and what happens if you miss it.
Start lesson 1

Related Gullia Filing pages

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Everything above is yours to use for free. If you would rather hand it over, we prepare and file the Articles of Organization, act as your registered agent, and track your ongoing deadlines.

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Official sources

Last reviewed: September 2026 - reviewed by Gullia Filing Legal & Formation Team, Corporate formation specialists and registered agents