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We want to be your business and tax partner!

Welcome to KLSM CPA Firm PLLC

KLSM is a CPA Firm, based in Houston, TX, that serves individuals, businesses and non-profit organizations in multiple states within the United States of America. We focus on providing professional accounting and tax solutions to both small businesses and individuals. We offer customized packages based on each client's needs to ensure we maintain flexibility and provide excellent customer service. Our key practice areas include:

  • Accounting & Bookkeeping Services
  • Business Consulting
  • Business Formation
  • Tax Preparation
  • Specialized Tax Planning
  • IRS Tax Resolution 

Whether you are seeking specialized tax planning, or tax return preparation and bookkeeping support, we are committed to partnering with you to shape the future of your business and personal affairs. Our goal is the be the CPA firm that you select for your accounting and tax needs. We value providing professional, timely advice and services to our clients. Partner with us today!

Tax Reminders & Events


  • Form 1099-NEC & 1099-MISC are due on February 1, 2021.
  • Form 1120S & 1065 due on March 15, 2021
  • Form 1040: U.S. Individual Income Tax Return Due April 15, 2021
  • 2021 1st Quarter Estimated Tax payment due April 15, 2021
  • Texas Franchise Tax Return due deadline is May 15, 2020
  • 2021 2nd Quarter Estimated Tax payment due June 15, 2021 
  • 2021 3rd Quarter Estimated Tax payment due September 15, 2020
  • Form 1040: U.S. Individual Income Tax Return Due October 15, 2021 -  for extended filers
  • 2021 4th Quarter Estimated Tax payment due January 15, 2022.


  • February 6, 2021 9:00am: KLSM Webinar: Are you ready for tax season?"  
  • May 8, 2021 9:00am: KLSM Business Webinar: 6 Tax savings ideas to lower your tax bill. Register here