Providers listed on this webpage are Approved IRS e-file Providers; however, they are not part of, nor do they have any special relationship with the Internal Revenue Service. The following companies have passed the IRS Assurance Testing System (ATS) requirements for Software Developers of electronic Employment Tax Returns for Tax Year 2020. 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. Thomson Reuters CS Professional Suite 6300 Interfirst Dr., Ann Arbor, MI, 48108, (800) 968-8900 Workful, LLC 3003 Allen Dr., Evans, GA 30809, (866) 967-5385 Corporate Payroll Services 1000 Miller Court West, Norcross, GA 30071, Phone: 877-926-7729 Payroll People Business Services 2152 E. Copper Ave, Suite 105, Fresno, CA 93730-5404 Universal Business Computing Company PO Box 3370, South Pasadena, CA 91030, (800) 827-8610 Tax Me, LLC 210 Rocketts Way, Suite 411, Henrico VA 23231, (804) 502-1658 Paysoft, Inc. 9205 W. Russell Rd. Bldg 3 Suite 240, Las Vegas, NV 89148, (702) 827-0015 LTtax, Inc. 10 West 33rd Street, Suite 1015, New York, NY 10001, (212) 643-1768 Profit Developers, Inc. P.O. Box 7280, Port St. Lucie, FL 34952, (772) 337-2921 Span Enterprises, LLC 202 E. Main St., Rock Hill, SC, 29730 (704) 684-4751 MPAY Inc. 230 Third Avenue, Suite A Waltham, MA 02451, (888) 632-2940 PrimePay, LLC 1487 Dunwoody Drive, West Chester, PA 19380, (610) 296-4500 Sana Tax & Bookkeeping Service, Inc. 37-28, 56th Street, Woodside, NY 11377, (718) 476-1972 Sanford Technology Group, LLC 335 S Marine Corps Dr, Tamuning, GU 96913, (671) 647-0220 ext. 400 Drake Software 235 East Palmer Street, Franklin, NC 28734, (828) 349-5700 Greenshades Software, Inc. 7020 AC Skinner Parkway, Suite 100, Jacksonville FL 32256, (888) 255-3815 Financial MicroSystems, Inc - Client Ledger System Software 3000 Langford Rd., Ste. 2500, Peachtree Corners, GA 30071, (800) 487-0677 CFS Tax Software, Inc 1445 Los Angeles Ave., Ste. 214, Simi Valley, CA 93065, 800-343-1157 C&S Technologies, Inc. 1879 Lundy Ave. Suite #266. San Jose, CA 95131, (408) 935-8969 TaxTime USA, Inc. 30800 Telegraph Road, Suite 1775, Bingham Farms, MI 48025, (248) 642-7070 Greatland Corporation PO Box 1157, Grand Rapids, MI 49501, (800) 968-1099 Aatrix Software, Inc. 2100 Library Circle, Grand Forks, ND 58201, (701) 746-6814 Smartrak Group INC. PO BOX 41322, Plymouth, MN 55441-0322, (612) 276-3567 Everee, Inc. Everee, Inc., 26 S Rio Grande St Suite 2072, Salt Lake City, UT 84101, (801) 608 MasterTax, LLC 111 W. Rio Salado Pkwy, Tempe, AZ 85281, (888) 237-8585 Universal Tax Systems, Inc. 225 Chastain Meadows Court NW, Suite 200, (866) 345-4171 Quarterly Express Plus - Lewis Software Associates, LLC 3619 Scruggs Place, Suite B, Springdale, MD 20774, (301) 386-5700
Financial MicroSystems, Inc - Client Ledger System Software 3000 Langford Rd., Ste. 2500, Peachtree Corners, GA 30071, (800) 487-0677
Quarterly Express Plus - Lewis Software Associates, LLC 3619 Scruggs Place, Suite B, Springdale, MD 20774, (301) 386-5700
