Forming a Limited Liability Company in Wisconsin is relatively easy.  This article should give you resources to understand how the process works in Wisconsin, and to use the legal forms from the Wisconsin Secretary of State to form an LLC in Wisconsin.

Though not required, it is advised that you check your corporate name for availability before filing any applications. To do this you can conduct a name search at the Search Corporate Records site provided by the Wisconsin Department of Financial Institutions.

Wisconsin is currently accepting online filing, as well as filing via mail. To start your online filing, you begin by visiting the Wisconsin Limited Liability Company Web site and follow the detailed instructions provided. To file via mail, you will need to fill out your Articles of Organization - Limited Liability Company form. The $170 filing fee and the original and duplicate copy form can be sent to: Department of Financial Institutions, P.O. Box 7846, Madison, WI 53707-7846.

Annual Reports are required for all companies in Wisconsin. You will receive a notice from the Department of Financial Institutions including instructions on how to file your annual report. Once you receive your form you can visit the Web site and begin your online filing there. If you have no received your notice, or you have lost your Corp/LLC ID, you can visit the same Web site and search for your company to provide that information.

There are many companies that offer the service of filing these articles on your behalf, such as FileOnline  or LegalZoom.