Multi Family Office

Horizon Advisors

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...

Horizon Advisors

Horizon Advisors

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.

General information

Firm type

Multi Family Office

Year founded

1999

AUM

Location

Region

North America

Country

City

Houston

Corporate office

Frequently asked questions

What is Horizon Advisors?

Horizon Advisors is a multi family office headquartered in Houston.

When was Horizon Advisors founded?

Horizon Advisors was founded in 1999.

Where is Horizon Advisors headquartered?

Horizon Advisors is headquartered in Houston, in the North America region.

What does Altss track for Horizon Advisors?

Altss maintains an OSINT-verified profile of Horizon Advisors covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), assets (real estate, public market positions, private companies, art and cultural holdings, philanthropy and foundations), and network (club memberships, associations, and event participation). Detailed values are available to Altss subscribers.

What is Horizon Advisors's website?

Horizon Advisors's public website is www.horizonadvisorsla.com. Verified contact details for principals and decision-makers are available to Altss subscribers.

What type of firm is Horizon Advisors?

Horizon Advisors is classified by Altss as a Multi Family Office within the North America region.

How does Altss source intelligence on Horizon Advisors?

Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.

How fresh is the Altss profile for Horizon Advisors?

Horizon Advisors's profile is part of Altss's continuous-refresh dataset, with a full update cycle at least every 30 days and priority changes applied as new information is verified.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Continuous refresh with full update cycles at least every 30 days.

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