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One Stop Business Portal Login

Log in with your WAMS ID to access the OSB. No special permissions are required - only the WAMS ID.

Need a WAMS ID?

Click the Register button below to set up your WAMS ID. Once it is set up, come back to to begin creating a business or to file your annual report.


What is WAMS?

WAMS is the Web Access Management System for the State of Wisconsin. Setting up a WAMS ID is free and it takes just a few minutes. Be sure to complete all WAMS setup steps (you must follow a link in your email and log in to activate your account) before logging in to the OSB.

Please note: OSB status updates will be sent to your WAMS ID email address, and your progress is saved automatically.