Skip to content

Guerry M Duncan, PC


Contact Us (713) 325-2166

Guerry M. Duncan, CPA 






Guerry Duncan attended Oklahoma State University where he obtained a Bachelor in Business Administration - Accounting.  He has over 25 years of experience in public accounting, most of which has been centered around income tax planning and compliance for individuals, corporations, partnerships, LLC’s and trusts.  Guerry spent almost 4 years at Arthur Andersen as a tax manager in the Private Client Services Group where he focused on federal income taxation as it related to high income and high-net worth individuals, their families, and their closely-held entities.  This included compensation planning, income tax planning and compliance, and estate planning for these types of individuals, along with the income tax planning and compliance of related partnerships, corporations and trusts.  At Andersen, Guerry was responsible for managing a staff of 30 people who worked with approximately 150 clients and their related entities.  He was the manager over several accounts for individuals listed on the Forbes 400 and was also responsible for reviewing specific tax returns in the Gulf Coast Market Circle.  Guerry now focuses his income tax experience and skills to individuals and small businesses in a variety of industries including health care, real estate, construction, oil & gas, and service industries.

Guerry has served as the Chief Accounting Officer of a Global 100 Company, responsible for all areas of their accounting function, including the monthly accounting, coordination with the auditors during the year, preparing all audit work papers and coordination of the annual audit performed by a Big 4 accounting firm.

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.  

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.



Member of the American Institute of Certified Public Accountants

Member Texas Society of Certified Public Accountants

Member Houston Chapter of the Texas Society of Certified Public Accountants


Our Values
Our firm provides outstanding service to our clients because of our dedication to the three underlying principles.
Client Reviews
We strive to provide the best possible service for our clients. Please leave a review to let us know how we are doing and to share your experience with others.