2025 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
Approved Software Vendors	Essential Services Assessment	Sales	Use	Withholding	City of Detroit Withholding
Aatrix Software a Sovos Company www.aatrix.com/efile/ 701-746-6814 (Windows OS Users) 701-746-6017 (Mac OS Users)				X	X
ADP Tax Services, Inc. www.adp.com 800-225-5237				X	X
ADS Processing LLC Empeon https://empeon.com/ 845-547-9080				X	X
Advantage Payroll Services Advantage www.advantagepayroll.com 877-777-9567
Asure Payroll Tax Management LLC www.asuresoftware.com 888-323-8835				X	X
Avalara, Inc www.avalara.com 877-780-4848		X	X	X
Breedlove and Associates LLC HomePay https://myhomepay.com 888-273-3356				X
Business Software Inc www.bsi.com 888-293-3413
BYOGCC INC Sidr Tax https://sidr.io 888-606-7437		X	X
CCH Incorporated, A Wolters Kluwer Company CCH® SureTax® https://www.wolterskluwer.com/en/solutions/cch-suretax 800-739-9998 316-691-6880		X	X
Ceridian HCM, Inc. www.Ceridian.com 855-432-9367
Corptax, Inc. www.corptax.com 800-966-1639		X	X	X
ConnectPay LLC https://connectpayusa.com 978-450-2900
CyberPay CyberTax https://www.cyberpay.com/ 877-423-2782				X
Data Service Center, Inc. www.dscpayroll.com 419-473-1165				X
Drake Software LLC www.drakesoftware.com 828-524-8020				X
Evolution HCM www.asuresoftware.com 888-323-8835				X	X
E Workforce Payroll Inc. https://eworkforcepayroll.com/ 888-852-3511
Greenshades Software go.greenshades.com 888-255-3815				X
IRIS Global Inc. and Subs (dba AccountantsWorld By IRIS and IRIS Payroll) www.irisglobal.com/payroll/ 631-256-4900				X
isolved www.isolvedhcm.com 800-733-8839				X	X
MasterTax LLC https://www.mastertax.com/ 877-706-0510				X	X
MPAY, Inc. dba Payentry www.payentry.com 888-632-2940				X	X
OneSource Virtual TaxEx www.OneSourceVirtual.com 888-868-0800				X	X
OnPay https://onpay.com/ 877-328-6505
Paychex, Inc. Paychex www.paychex.com 800-322-7292				X	X
Paycom Payroll, LLC https://www.paycom.com/ 800-580-4505				X	X
Paycor, Inc. www.paycor.com 800-381-0053				X
Pistus, Inc. www.pistus.com 844-474-7887				X	X
Poppins Payroll, LLC www.poppinspayroll.com 855-420-1919				X
Primepoint HRMS & Payroll www.primepoint.com 800-600-5257				X
QuickBooks Payroll https://quickbooks.intuit.com/payroll/ 800-446-8848				X	X
R & A Accounting LLC www.almohaseb.us 810-471-8489		X	X	X
Rippling www.rippling.com/				X	X
Square Payroll Inc. https://squareup.com/payroll 855-700-6000				X	X
TaxTime USA, Inc. MI Sales Tax Express PPT Express www.TaxTimeUsa.com 248-642-7070		X	X	X	X
TaxJar, A Stripe Company www.taxjar.com/autofile/ support@TaxJar.com		X	X
Thomson Reuters UltraTax CS, Accounting CS https://tax.thomsonreuters.com/us/en/cs-professional-suite/ultratax-cs 800-968-8900 cs.sales@tr.com				X	X
Vertex, Inc. www.vertexinc.com 800-355-3500		X	X	X

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2025 Approved Software Developers