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2023 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

Aatrix Software, Inc
www.aatrix.com/efile/
701-746-6814 (Windows OS Users)
701-746-6017 (Mac OS Users)



Accountants World, LLC
www.accountantsworld.com
888-999-1366

X

ADP Tax Services, Inc.
www.adp.com
800-225-5237



Advantage Payroll Services
Advantage

www.advantagepayroll.com
877-777-9567



Asure Payroll Tax Management LLC
www.asuresoftware.com

949-225-3000

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



Breedlove and Associates LLC
HomePay

https://myhomepay.com
888-273-3356


Business Software Inc
www.bsi.com
888-293-3413


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



ConnectPay LLC
https://connectpayusa.com
978-450-2900



Data Service Center, Inc.
www.dscpayroll.com
419-473-1165


Evolution HCM
www.asuresoftware.com
888-323-8835


Greenshades Software
go.greenshades.com

888-255-3815

Intuit Payroll
https://quickbooks.intuit.com/payroll/
1-800-446-8848



isolved
www.isolvedhcm.com
800-733-8839

X

MasterTax LLC
https://www.mastertax.com/
(877) 706-0510



MPAY
Millennium
Payentry

www.Payentry.com
888-632-2940



OneSource Virtual
TaxEx

www.OneSourceVirtual.com
(888) 868-0800



Paychex, Inc.
Paychex

www.paychex.com
800-322-7292

X

Paycor, Inc.
www.paycor.com
800-381-0053


Primepoint HRMS & Payroll
www.primepoint.com
1-800-600-5257


R & A Accounting LLC
www.almohaseb.us

810-471-8489



Square Payroll
Square

https://squareup.com/payroll
1-800-573-4003


TaxTime USA, Inc.
MI Sales Tax Express
PPT Express
www.TaxTimeUsa.com
248-642-7070

X X X

TaxJar, A Stripe Company
www.taxjar.com/autofile/
support@TaxJar.com



Thomson Reuters
UltraTax CS, Accounting CS

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



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