Wisconsin LLC Requirements

Updated for 2026 · Official Secretary of State Website

Wisconsin processes LLC formations immediately online and keeps costs moderate with a $130 filing fee and $25 annual report. The state's quarterly-based annual report deadline is unusual — it's tied to the quarter containing your formation anniversary. Wisconsin's diverse economy spans manufacturing, agriculture, healthcare, and technology.

Filing Fee

$130

One-time state fee

Annual Fee

$25

Per year

Processing

Immediate

Online filing

Deadline

End of anniversary quarter

Annual report due

Note: $130 online, $170 by mail.

Average Cost

Wisconsin's $130 filing fee is near the national average, and the $25 online annual report is below the median for ongoing costs. Overall, total costs are close to the national middle.

Notable Facts About Wisconsin LLCs

Wisconsin provides immediate online processing for LLC formation filings
Annual reports are due by the end of the quarter containing your anniversary date
The state charges a $15 paper surcharge for mail filings, encouraging electronic submission
Wisconsin's Department of Financial Institutions handles business filings, not a Secretary of State

Tax Information for Wisconsin LLCs

Wisconsin has a progressive individual income tax with rates from 3.5% to 7.65%. LLCs taxed as pass-through entities pay at individual rates. There is no franchise tax for standard LLCs. Wisconsin has a 5% state sales tax plus local additions.

Formation Steps

1

Choose a Name for Your LLC
Select a unique business name that complies with Wisconsin naming requirements. The name must include "LLC" or "Limited Liability Company" and cannot be the same as an existing registered business in Wisconsin.
2

Appoint a Registered Agent
Designate a registered agent with a physical address in Wisconsin who can receive legal documents and official correspondence on behalf of your LLC.
3

File Articles of Organization
Submit your Articles of Organization (also called a Certificate of Formation in some states) to the Wisconsin Secretary of State. This is the official document that creates your LLC.
4

Create an Operating Agreement
Draft an operating agreement that outlines ownership percentages, member roles, profit distribution, and management structure of your LLC. While not always legally required, it is strongly recommended.
5

Get an EIN from the IRS
Apply for a free Employer Identification Number (EIN) from the IRS. You'll need this for opening a business bank account, hiring employees, and filing taxes.
6

Open a Business Bank Account
Open a dedicated business bank account to keep your personal and business finances separate. This helps maintain your LLC's liability protection.
7

File Annual Reports
Wisconsin requires periodic reports due by End of anniversary quarter. The filing fee is $25. Mark your calendar to avoid late fees or administrative dissolution.

Visit Official SOS Website

Annual Report Details

Fee: $25

Deadline: End of anniversary quarter

Annual report due by the last day of the calendar quarter containing the LLC's anniversary date. Q1: Mar 31, Q2: Jun 30, Q3: Sep 30, Q4: Dec 31.

$25 online, $40 by mail ($15 paper surcharge). Must be filed online or by mail.

Need a Registered Agent in Wisconsin?

Every Wisconsin LLC must have a registered agent with a physical address in the state. A registered agent service ensures you never miss important legal documents or compliance deadlines.

Compare Registered Agent Services

Frequently Asked Questions

How much does it cost to form an LLC in Wisconsin?

The state filing fee to form an LLC in Wisconsin is $130 for the Articles of Organization. $130 online, $170 by mail. This cost is near the national average compared to other states. Additional costs may include a registered agent service ($50-$300/year) and an operating agreement if you hire an attorney.

What is the annual cost of an LLC in Wisconsin?

Wisconsin charges $25 for its periodic reporting requirement, due End of anniversary quarter. $25 online, $40 by mail ($15 paper surcharge). Must be filed online or by mail. Wisconsin's $130 filing fee is near the national average, and the $25 online annual report is below the median for ongoing costs. Overall, total costs are close to the national middle.

How long does it take to form an LLC in Wisconsin?

Online filing in Wisconsin typically takes Immediate. You'll need to file Articles of Organization with the state. Processing times may vary based on filing volume and the time of year.

Do I need a registered agent in Wisconsin?

Yes, Wisconsin requires every LLC to have a registered agent with a physical street address in the state. The registered agent receives legal documents, tax notices, and official government correspondence on behalf of your LLC.

What taxes does a Wisconsin LLC pay?

Does Wisconsin require an operating agreement for LLCs?

While not all states legally require an operating agreement, it is strongly recommended for every LLC in Wisconsin. An operating agreement defines ownership structure, member roles, and how the business will be managed. Without one, your LLC will be governed by Wisconsin's default LLC laws.