The State of Michigan SIGMA Vendor Self Service (VSS) system allows you, as a payee/vendor/grantee, to manage your information, view your financial transactions, view business and grant opportunities and much more. Click on the Register button to begin filling out an electronic application to become a payee/vendor/grantee. Please disable your pop-up blocker in order to access all parts of the site.
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If you have questions, please contact the State of Michigan VSS (SOM VSS) Support Center at SIGMA-Vendor@michigan.gov or 1-888-734-9749. The State of Michigan VSS (SOM VSS) Support Center Office Hours are 7:00 AM until 6:00 PM EST, Monday-Friday.