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2026 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 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
empeon.com/
845-547-9080
X X
Apex HCM By IRIS
Employer On Demand
employerondemand.com
800-207-8013
X X
Asure Payroll Tax Management LLC
www.asuresoftware.com
888-323-8835
X X
Avalara, Inc
www.avalara.com
877-780-4848
X X X
Avior Inc.
SutTax
suttax.avior.tax
972-535-4506
X X
Breedlove and Associates LLC
HomePay

myhomepay.com
888-273-3356
X
BYOGCC INC
Sidr Tax

sidr.io
888-606-7437
X X
CCH Incorporated, A Wolters Kluwer Company
CCH® SureTax®
www.wolterskluwer.com/en/solutions/cch-suretax
800-739-9998 316-691-6880
X X
Corptax, Inc.
www.corptax.com
800-966-1639
X X X
ConnectPay LLC
connectpayusa.com
978-450-2900
X X
CyberPay
CyberTax

www.cyberpay.com/
877-423-2782
X
Data Service Center, Inc.
www.dscpayroll.com
419-473-1165
X
Dayforce HCM, Inc.
www.Dayforce.com
855-432-9367
DM Payroll Services, L.L.C.
www.dmpayroll.com
248-244-3100
X X X
Drake Software LLC
www.drakesoftware.com
828-524-8020
X
Evolution HCM
www.asuresoftware.com
888-323-8835
X X
Greenshades Software
go.greenshades.com
888-255-3815
X X
Gusto, Inc.
Gusto
Gusto.com
800-936-0383
X
IRIS Global Inc. and Subs (dba AccountantsWorld By IRIS and IRIS Payroll)
www.irisglobal.com/payroll/
631-256-4900
X X
isolved, Inc.
www.isolvedhcm.com
800-733-8839
X X
MasterTax LLC
www.mastertax.com/
888-237-8585
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
X X
Paychex, Inc.
Paychex

www.paychex.com
800-322-7292
X X
Paycom Payroll, LLC
www.paycom.com/
800-580-4505
X X
Paycor, Inc A Paychex Company
www.paycor.com
844-917-2436
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 X
QuickBooks Payroll
quickbooks.intuit.com/payroll/
800-446-8848
X X
R & A Accounting LLC
www.almohaseb.us
810-471-8489
X X X
Rippling
Rippling.com
www.rippling.com/contact
X X
Square Payroll Inc.
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
TaxRex Inc.
TaxRex

www.taxrex.com
X X
Thomson Reuters
UltraTax CS, Accounting CS

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