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2021 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

Individual Income Taxes 

Business Taxes 

 Michigan  City of Detroit 

Corporate Income Tax

Michigan Business Tax City of Detroit Corporate Income Tax Fiduciary

Advanced Tax Solutions, LLC                                 
MyTaxPrepOffice

1603 Capitol Ave. Suite 310 A254
Cheyenne, WY 82001
www.mytaxprepoffice.com
support@mytaxprepoffice.com

 X  X  X  
X

CCH Incorporated, a Wolters Kluwer business 
CCH ProSystemfx Tax

9111 E Douglas, Ste 400
Wichita, KS 67207
efile@prosystemfx.com
www.tax.cchgroup.com
Sales 800-739-9998, Option 1
CCH ProSystemfx Tax Customer Service
800-739-9998, Option 3            

 X  X  X  X X  X

Corptax
www.corptax.com
800-966-1639

     X  X

Crosslink Professional Tax Solutions LLC
www.crosslinktax.com

 X  X  X  
X

Drake Enterprises LTD
www.drakesoftware.com
828-524-8020

 X  X X
 X  X

FileYourTaxes.com
taxman@fileyourtaxes.com
https://www.fileyourtaxes.com

 X  X    
 

H & R Block Inc
BlockWorks

www.hrblock.com
800-472-5625

 X  X  X  
X

Intuit Inc
proconnect.intuit.com/proseries/
ProSeries: 800-434-6818

 X  X  X  
X

Intuit Inc
ProConnect Tax Online

proconnect.intuit.com/tax-online
844-591-8071

 X  X  X  
 

Intuit Inc
Lacerte

proconnect.intuit.com/lacerte
844-591-8069

 X  X  X  
 X

Jackson Hewitt
ProFiler

www.jacksonhewitt.com
800-234-1040

 X  X    

LamsonTech 
1040Now

www.1040now.net/partnerpp.htm
cs@1040now.com

 X  X    

On-Line Taxes, Inc.
OLTPRO Professional Tax Software

www.OLTPRO.com
816-232-9095

 X  X  X  X
X

PDP Tax Service
ELECTRO - 1040

www.pdptax.com
440-842-1231

 X      

TaxACT Professional  
www.taxact.com/professional
800-573-4287

 X  X  X  
X

TaxHawk, Inc.
www.freetaxusa.com
support@freetaxusa.com
www.express1040.com
support@express1040.com
www.taxhawk.com
support@taxhawk.com

 X  X    

TaxLync Professional Tax Software 
www.TaxLync.net
866-703-1040 

 X  X    
 

TaxSlayer, LLC
TaxSlayer Pro

www.taxslayerpro.com
888-420-1040

 X  X  X  
 X
Tax Technologies
Tax Series

www.taxtechnologies.com
678-574-2160
     X   X

TaxWise
https://taxna.wolterskluwer.com/professional-tax-software/taxwise
866-641-9473

 X  X  X  
 X
Taxware Systems Inc
www.taxwaresystems.com
800-877-1065
 X  


 

Thomson Reuters
ONESOURCE Income Tax, GoSystem Tax RS & ONESOURCE Trust Tax

cs.thomsonreuters.com/gosystem/
CS.Sales@ThomsonReuters.com
800-968-8900

 X  X  X  X X

Thomson Reuters
UltraTax CS, Accounting CS & Onvio Tax

https://tax.thomsonreuters.com/us/en/cs-professional-suite/ultratax-cs
800-968-8900
cs.sales@tr.com

 X  X X
X  X

TriTech Software Development Corp
www.tritechsoft.com
800-380-6407

    X X    

TurboTax
https://turbotax.intuit.com

 X  X    

Wolters Kluwer
Small Firm Services
ATX

www.taxna.wolterskluwer.com
800-638-8291

 X  X X

 X