Skip to main content
Exploring the Business Portal

Exploring the Business Portal

MiTreasury eServices - Business Portal

The Business Portal is the pathway within Michigan Treasury eServices for responsible parties of businesses and third parties (including but not limited to tax professionals, service providers, and attorneys) to interact online about select business taxes and programs administered by Treasury.

  • Supported Tax Types for Responsible Parties

    • Bottle Deposit Program
    • Michigan Fiduciary Income Tax
    • Michigan Composite Income Tax
    • Wholesale Marijuana Tax (payments only)

  • Supported Tax Types for Third Parties

    • Michigan Individual Income Tax
    • Bottle Deposit Program
    • Michigan Fiduciary Income Tax
    • Michigan Composite Income Tax
    • Wholesale Marijuana Tax (payments only)

  • What Can You Do in the Business Portal?

    • Check refund status
    • Make a payment
    • Respond to a letter
    • Directly file reports and tax returns (including amended returns) for free
    • Send and receive secure messages with Treasury
    • View/update records
    • Retrieve copies of Treasury issued letters
    • Request access
    • Approve or deny third party access requests
    • Submit power of attorney
    • Enter into installment arrangements or request Offer in Compromise
    • Update Treasury tax account

  • How Can You Do It?

    Visit the MiTreasury eServices - Business Portal to get started where you can view and send information.

    Go to the MiTreasury eServices - Business Portal

    Access to some features may require signing in with a MiLogin for Business user profile and the most protected data requires connecting your user profile to the customer account (if you are a responsible party) or requesting access to a customer account (to view or send information on behalf of a client if you are a third party).

    There's different levels of access required, depending on what you need to do.

    Access Levels Explained

  • Guides and Resources

    Logging In

    Send a Web Message

    Make a Wholesale Marijuana Tax Guest Payment