As of January 2017, all annual reports for Domestic Corporations and Limited Liability Companies must be filed thru the portal.
As of August 28, 2019, the URL for the One Stop Business Portal has changed. When you are re-directed to the portal, the URL will be OneStop.wi.gov. This will not change anything about the website or the filing process.
If you are not automatically re-directed, you can click the button below to access the site: