Guerry co-founded the firm Duncan Sowers & Company, PLLC from 2005 to 2017. For the year of 2018, Guerry was an Equity Partner at Fitts-Roberts & Company. At the end of 2018, Guerry felt it was time to build an accounting firm where he could center his full attention to the needs of his clients. In January of 2019, Guerry transitioned his clients to his new firm Guerry M. Duncan, PC (GMDPC). His goal is to provide the highest quality service to his clients at fair rates. GMDPC focuses on tax planning and compliance for individuals, small businesses, closely-held entities and trusts, as well as client representation related to tax matters with the IRS and other taxing authorities. His clients operate in a variety of industries including health care, real estate, construction, manufacturing, oil & gas, and various service industries. Many of his clients are C level executives of some of the largest companies in the world.
Guerry has served on the Board of one of the largest Chamber of Commerce’s in the Houston area. Guerry was recently recognized as a Top Wealth Advisor in the Houston area by Texas Monthly magazine.