Vertical Computer Systems (VCSY) 8-K Changes in Registrant's Certifying Accountant

EXHIBIT 99.1

July 1, 2019

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

We have read the statements under Item 4.01 of the Current Report on Form 8-K of Vertical Computer Systems, Inc. to be filed with the Securities and Exchange Commission on or about July 1, 2019. We agree with all statements pertaining to us. We have no basis on which to agree or disagree with the other statements contained therein.

/s/ Malone Bailey, LLP

MaloneBailey, LLP

www.malonebailey.com

Houston, Texas