How to form an LLC in Wisconsin

Who should form an LLC in Wisconsin?

Anyone who lives in Wisconsin or runs their business from there. If you form in another state but operate in Wisconsin, you will usually have to register there as a foreign LLC anyway, paying both states' fees. See home state or another state.

How do you form an LLC in Wisconsin, step by step?

1. Choose and check the name

   Search the state's business records and include "LLC", "L.L.C." or "Limited Liability Company" in the name.

2. Appoint a registered agent

   A person or company with a physical street address in Wisconsin. See what a registered agent is.

3. File the Articles of Organization

   Online through the Department of Financial Institutions for $130, or on paper with Form 502 for $170. Expedited service is available for an extra fee.

4. Get an EIN and sign an operating agreement

   The EIN is free from the IRS. See LLC operating agreement.

5. Register for state taxes

   Sales tax and payroll as needed. Then note the first yearly filing date.

What does Wisconsin require every year?

An annual report each year, $25 online or $40 on paper, due by the last day of the calendar quarter in which the LLC was formed, starting the year after formation. An LLC formed on June 15, 2026 files its first report by June 30, 2027. The department mails a reminder to the registered agent. An LLC whose report is a year overdue can be administratively dissolved.

For deadlines, fees and late penalties in detail, see Wisconsin LLC yearly filings.

How does the quarter deadline work?

What do the first two years cost?

Should you file it yourself or use a formation service?

Filing yourself costs only the state fee, and the Wisconsin filing is short enough for most owners to complete. A formation service saves time, can act as your registered agent and may send reminders for yearly filings, but compare total yearly costs: low headline prices are often paired with paid add-ons such as expedited filing, operating agreements or EIN applications, which you can do yourself free. Whichever you choose, keep the approved filing, the EIN letter and your operating agreement together. See how much an LLC costs.

Can a non-resident form an LLC in Wisconsin?

Yes. Wisconsin has no residency or citizenship requirement for an LLC's members or managers. You need a registered agent with a Wisconsin street address and an EIN; a foreign owner without a Social Security number applies for the EIN on Form SS-4. A single-member LLC owned by a foreign person files Form 5472 with a pro forma Form 1120 every year, even with no US income. See can a non-resident own a US LLC and annual filings for foreign-owned LLCs.

What happens if you miss a required report?

The state usually charges a late fee and marks the LLC as not in good standing, which can block a certificate of good standing, a bank account or a loan. If the filing stays overdue, the state can administratively dissolve the LLC, ending its liability protection and its claim to the name. Reinstatement means filing every missing report and paying the fees owed, so put the dates in your calendar. See reinstating a dissolved LLC.

Which Wisconsin taxes apply to an LLC?

Owners pay Wisconsin's graduated income tax on their share of profit. The state sales tax is 5%, plus county taxes in most counties; register with the Wisconsin Department of Revenue if you sell taxable goods or have employees.

If you sell online, see Wisconsin sales tax for online sellers.

Federally, a Wisconsin LLC is taxed like any other LLC. See how LLCs are taxed. For a side-by-side view of state costs, see how much an LLC costs.

This guide is general information. It is not tax or legal advice for your situation.