Top 10 Family Offices in Seattle (2026)

Here are ten of the top active family offices from our database that are based in Seattle, along with their websites:

1. Graham Capital Group
   Graham Capital Group is a family office investment firm based in Seattle. It acquires and partners with traditional small to middle-market companies and their management teams to build long-term value.
2. Joshua Green Corporation
   The Joshua Green Corporation is a privately held Seattle investment company with Washington State roots dating back to the 1890s. It invests in private companies, public equities, and real estate, backing promising situations rather than fixed sectors and supporting the strategic endeavors of partners and managers.
3. Capital6
   Capital6 is the family office of Peter Vessenes. It oversees investments across traditional private equity, digital assets, and arts and culture, backing people and collectives working to change things for the better.
4. Laird Norton Company
   Laird Norton Company is a diversified enterprise that has been family-owned for eight generations, since 1855. A patient, long-term investor, it earns returns by actively and strategically investing in private businesses and real estate.
5. Bristlecone Advisors
   Bristlecone Advisors began as a multi family office and keeps that focus today. It works with each family through a customized relationship shaped by individual goals, objectives, and personal circumstances.
6. Bezos Expeditions
   Bezos Expeditions is the single family office of Jeff Bezos. It invests across both private and public markets.
7. Vulcan
   Vulcan is the single family office and investment enterprise founded by the late Paul G. Allen. Its investment domains include real estate, private equity, and startups.
8. Illium Venture Capital
   Illium is a family office with more than 40 startup investments. Its focus is on healthcare, life sciences, and deep tech.
9. Blueprint Capital
   Blueprint Capital represents and manages a community of families investing together with the aim of creating generational value. Its work spans managing the capital of its multi family office, advisory services, and discretionary fund management.
10. Sahsen Ventures
    Sahsen Ventures is a mission-driven investment firm that seeds and nurtures both for-profit and nonprofit enterprises. Its focus areas are life sciences, social justice, and environmental sustainability.

For more information and listings of active family offices:

• USA: 500 Top Single Family Offices->>
• USA Database: Active Family Offices->>