2018 Approved Software Developers

The following companies have passed the Michigan Department of Treasury (Treasury) Assurance Testing System (ATS) requirements for Software Developers of electronic returns to Treasury. Treasury does not endorse any specific company or its product or services. Meeting the requirements means that the software can provide correct data in the proper format for processing by Treasury's systems. It does not mean that a software package includes every possible schedule or attachment, or that it will meet the needs of all filers.

Approved Software Vendors

Essential
Services
Assessment

Sales,
Use and Withholding

Sales

Use

Withholding

City of Detroit Withholding

Advantage Payroll Services
Advantage
www.advantagepayroll.com
877-777-9567

      X  

Avalara, Inc
www.avalara.com
877-780-4848

 

X

X

 

 

Ceridian HCM, Inc.
www.Ceridian.com
1-855-432-9367

      X  

Paychex Inc.
Paychex

www.paychex.com
800-322-7292

      X  

Thomson Reuters
UltraTax CS, Accounting CS

www.tax.thomsonreuters.com/cs-professional-suite/
800-968-8900
cs.sales@tr.com

      X  

Vertex, Inc
www.vertexinc.com
800-355-3500

  X X X