Tax Year 2018 1065 Modernized e-File (MeF) Providers


The Providers listed on these webpages are Approved IRS Modernized e-File (MeF) Providers; however, they are not part of, nor do they have any special relationship with the Internal Revenue Service.

The Providers have passed the IRS Assurance Testing System (ATS) requirements for Software Developers of electronic Partnership (1065 MeF) Returns for Tax Year 2018. Meeting the requirements means that the software can provide correct data in the proper format for processing by IRS 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.  It is the filer's responsibility to contact the provider to determine if the software meets their needs.

The providers are not listed in any particular order.

H&R Block
One H&R Block Way, Kansas City, MO 64105, 1-800-HRBLOCK / 1-800-472-5625


CrossLink Professional Tax Solutions, LLC

7575 W Linne Rd, Tracy, CA 95304 (800) 345-4337


CCH, A Wolters Kluwer Business Prosystem FX Tax

9111 E. Douglas, Suite 400, Wichita, KS 67207 (800) 739-9998


Profit Developers Inc.

P.O. Box 7280 Port St Lucie, FL 34985 (772) 337-2921


Taxware Systems Inc.

924 W 9th Street, Upland, CA 91786 (800) 877-1065


Thomson Reuters - UltraTax CS

6300 Interfirst Drive, Ann Arbor, MI 48108 (800) 968-8900


Tax Technologies, Inc.

196 Woods Ave, Bergenfield, NJ 07621 (678) 574-2160


TaxAct, Inc.

1425 60th Street NE, Suite 300, Cedar Rapids, IA 52402 (319) 536-3571


Corptax, Inc.
2100 E. Lake Cook Road, Suite 800, Buffalo Grove, IL 60089 (800) 966-1639