Horizon Advisors Overview

General Information

Horizon Advisors is a multi-family office headquartered in Houston, United States. Founded in 1999, the firm traces its wealth origin to the CPA and tax advisory practice established by founders Larry Maddox and Joe Thomson, leveraging decades of professional service to affluent families. It provides integrated investment management, tax planning, and estate advisory for multiple high-net-worth households—delivering disciplined, long-term wealth stewardship.