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SIGMA VSS: Doing business with the State


    The State of Michigan implemented SIGMA to improve budgeting processes, accounting activities, payments, receiving bids, and providing grant opportunities. SIGMA Vendor Self-Service (VSS) improves working with vendors, payees and grantees.

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About Sigma VSS

  • About SIGMA

    Not Registered?
    You can register in SIGMA VSS to receive payments and respond to business opportunities.

    Currently Registered?
    You will need to claim your account to respond to opportunities, see financial transactions, or update your address and personal information. 

    Need More Information?
    Use the Quick Reference Guides or Vendor Tutorials below to assist with claiming your VSS account, registering as a new vendor, or seeing your payments.

    Use the SIGMA VSS home page to find even more helpful information by clicking the link below.


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  • About Image

    SIGMA VSS Logo

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Child Care Relief Fund

  • Child Care Relief Fund

    Governor Whitmer recently announced the Chlid Care Relief Fund to cover costs durng the COVID-19 state of emergency. Applications of this program and additional information can be found at www.michigan.gov/childcare. As part of the application process, you need to provide your SIGMA Vendor Number. To find you SIGMA vendor number, please follow the steps in the following document:

    How to Find Your SIGMA Vendor Number


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  • SIGMA Support

    A Vendor Support Call Center is available to assist by calling 888-734-9749 or emailing SIGMA-Vendor@michigan.gov


Who Uses Sigma?