Larry  Maddox

Larry Maddox


Horizon Advisors

(713) 748-7000

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Fee Only Financial Planner and Wealth Manager Located in Houston, TX and Serving Clients Nationwide


  • Fee-Only Financial Services
  • Comprehensive Financial Planning
  • Wealth Management
  • Retirement Planning
  • Education Planning
  • Estate Planning
  • Insurance Analysis
  • Charitable Giving and Trusts
  • Planning for Business Owners
  • Cash Flow and Budgeting
  • High Net-Worth Clients
  • Tax Planning and Preparation


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2603 Augusta
Suite 1400
Houston, TX 77057

Fee-Only & Fiduciary

The National Association of Personal Financial Advisors (NAPFA) is the country's leading association of fee-only and fiduciary financial planners.

Horizon Advisors is a Houston, TX financial planning and wealth management firm serving Houston and all surrounding areas.  Horizon specializes in helping successful individuals and families understand, organize, and manage their often complex financial situations through financial planning, investment management, retirement planning, and tax planning and services.  Larry Maddox is a NAPFA-Registered Financial Advisor and a CERTIFIED FINANCIAL PLANNER™ Professional.

Larry Maddox works with clients in all facets of the wealth management process. His involvement includes helping clients to define their personal goals and objectives. He collaborates with our wealth management team and other external advisors to provide comprehensive wealth management services. Larry founded Horizon Advisors, LLC in Houston, Texas in 1999 with fellow business partner Joe Thomson.

In 1981, Larry Maddox formed his own Houston CPA and tax services firm and in 1985, Joe Thomson joined him to create Maddox Thomson & Associates, P.C. (MTA). Prior to starting MTA, Larry was the controller of a small, family-owned and run oil and gas service firm. Larry’s professional career began at Peat Marwick Mitchell & Co. followed by Deloitte & Touche.

Larry Maddox attended the University of Texas (UT) at Austin where he received a Bachelor of Arts in Economics and an MBA with a concentration in finance and accounting. Larry is a CPA, a CERTIFIED FINANCIAL PLANNER™ (CFP®), and a registered member of the National Association of Personal Financial Planners (NAPFA). Larry is also a member of the Financial Planning Association (FPA) and a founding member of a national group of financial advisors who work together to share ideas about how best to serve their clients and manage their practices.


Horizon Advisors is a Houston-based, privately owned, fee-only financial advisor established in 1999. Our mission is to develop long-term relationships with thoughtful, successful individuals, families, and organizations to support and assist them in achieving their goals. Our clients include successful professionals who are accumulating their wealth and retirees who are interested in maintaining their current lifestyles and preserving their wealth. At Horizon, we focus on developing a deep and personal understanding of our clients, allowing us to be very proactive and responsive to their unique needs.

We specialize in helping you understand, organize, and manage your often complex financial situations. Our recommendations are independent, objective, and based solely on what is best for you.

The principals of Horizon Advisors have many years of experience serving clients together. They have been serving Houston’s high net worth since 1985, through our partner CPA firm Maddox, Thomson & Associates, P.C.