Updated:
Annandale Capital
Annandale Capital was established in 2005 by George Seay, grandson of Bill Clements, whose SEDCO drilling operations generated the founding wealth.
Annandale Capital
Annandale Capital was established in 2005 by George Seay, grandson of Bill Clements, whose SEDCO drilling operations generated the founding wealth. The firm operates as a multi-family office from Dallas and advises aligned U.S. families and institutions. Annandale allocates across public equities, hedge funds, fund-of-funds vehicles and direct secondaries. Its strategy emphasizes secondaries and co-investments executed through SPVs. The geographic focus remains North America. No specific portfolio holdings appear in public records. The firm lists 2626 Cole Avenue as its Dallas office address. George Seay maintains board roles with the Texas-Israel Alliance and UT McCombs School of Business Advisory Board. No operational events from the last 24 months are recorded. Annandale maintains separation between its investment mandate and the Seay family's philanthropic vehicles, including the 7th Generation Foundation and New Covenant Foundation.
General information
Firm type
Multi Family Office
Year founded
2005
Location
Region
North America
Country
United States
City
Dallas
Corporate office
Dallas, TX, United States
Principals
George Seay
Founder
Altss tracks 2 additional named team members for this firm — including direct investment leads, IR, and operating principals not listed on the public website.
Book a demoSector focus
Frequently asked questions
Who runs investment decisions at Annandale Capital?
George Seay leads the firm as founder. Cullum Clark and Lee Blaylock serve as co-founders and participate in investment decisions.
Is Annandale Capital structured as a single family office or multi-family office?
Annandale Capital operates as a multi-family office. It advises multiple U.S. families, foundations and select institutions beyond the Seay family.
What investment stages and structures does Annandale Capital use?
The firm focuses on secondaries and direct co-investments through SPVs and fund-of-funds commitments. It does not publish target stages for venture or growth equity.
Where does the underlying wealth at Annandale Capital originate?
The Seay family wealth traces to SEDCO, the offshore drilling company founded by Bill Clements, grandfather of George Seay.
Does Annandale Capital participate in fund commitments or only direct deals?
Annandale uses both fund commitments and direct secondaries. Its confirmed investment types include hedge funds and secondaries vehicles.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
Need institutional-grade insight on family offices?
Altss delivers:
Prefer a guided tour?
We’ll walk you through: