MTO Overview

MTO is an e-services portal that allows businesses secure, 24/7 online access to their Treasury business accounts. This e-service allows taxpayers or their representatives to electronically file and pay business taxes, update account information and view Treasury issued correspondence.

The following tax types are available for businesses to file or pay on Michigan Treasury Online:

• Corporate Income Tax (CIT) – payments only.
• Essential Service Assessments (ESA) – returns and payments.
• Flow Through Entity (FTE) Tax – returns and payments.
• Marihuana Retail Excise (MRE) Tax – returns and payments.
• Medical Marihuana Facilities (MMF) Tax – returns and payments.
• Michigan Business Tax (MBT) – payments only.
• Partnership Audit Adjustments (PAA) – payments only.
• Sales, Use, and Withholding (SUW) Taxes – returns and payments.

Access MTO directly at mto.treasury.michigan.gov. View the step-by-step instruction guides including log-in instructions for new or returning users.

Michigan Treasury Online is supported by Google Chrome, Microsoft Edge, Firefox and Safari.

Benefits of MTO are:

• Register for business taxes.
• Free and secure 24/7 online access to your Treasury business account.
• Update your business account information.
• E-file and make e-payments for most business taxes.
• View Treasury issued correspondence.
• Single sign-on for all MTO related functions.
• Authorized users have the ability to establish their own relationship (self-delegate) to a business.

The following tax types are required to file returns and make payments through MTO:

• Flow-Through Entity (FTE) Tax
• Marihuana Retailer Excise (MRE) Tax
• Partnership Audit Adjustments (PAA)

If a business is part of the following SUW class types, returns must be filed and paid through MTO or bulk e-file:

• 4% / 6% filers
• Accelerated
• Fuel credit filers
• Vehicle dealers

Taxpayers and/or payroll service providers (PSP) using Treasury approved tax preparation commercial or proprietary software can utilize MTOs bulk e-file option. 

Treasury takes the safeguarding of taxpayer personal information seriously. We are legally obligated to protect all taxpayer information. Treasury utilizes appropriate physical, technical, and administrative procedures to safeguard the information we collect and process. All Treasury employees are properly trained and legally bound to appropriately ensure that your personal information is protected.

In order to interact with Treasury via MTO, you must create a user profile. However, you are not required to establish a relationship with a registered business. MTO offers fast file and fast pay options. View the step-by-step guides for creating a profile in MTO and filing and paying on behalf of a business.

View the step-by-step guides including creating a profile in MTO.