Public firm-level fields only. Contact details are withheld. Order follows disclosed assets under management where available, then profile depth. It is not a ranking.
More family offices from nearby areas.
Cowles Company
Spokane, WA | Single family office
Cowles Company is a family-owned enterprise that operates businesses and invests in growth companies. Its activities span media, forestry, real estate, and early-stage growth investments.
- AUM range
- $50M-$250M
- Check size
- Not stated
- Asset classes
- Real Estate, Venture Capital, Direct Investments
- Wealth source
- Cowles family; publishing and media businesses
Keiretsu Family Office
Seattle, WA | Multi-family office | Founded 2020
Keiretsu Family Office provides family office structuring services and access to deal flow, resources, and educational content. Its affiliated network and fund partner support angel co-investment and real estate funds.
- AUM range
- $1B-$5B
- Check size
- Not stated
- Asset classes
- Venture Capital, Real Estate, Funds
Onelin Capital Corporation
Seattle, WA | Single family office | Founded 2015
Onelin Capital Corporation is a multi-asset strategy single family office affiliated with a global investment conglomerate. It invests across venture capital, funds, debt, and real estate, with stated industry interests in real estate, technology, and financial services.
- AUM range
- $250M-$1B
- Check size
- Not stated
- Asset classes
- Venture Capital, Funds, Private Credit, Real Estate
- Wealth source
- Not stated
Ballmer Group
Bellevue, WA | Single family office | Founded 2015
Ballmer Group is a family office that manages wealth and supports economic mobility for children from low-income families.
- AUM range
- $50M-$250M
- Check size
- Not stated
- Asset classes
- Not stated
- Wealth source
- Ballmer family; technology
Bristlecone Advisors, LLC
Bellevue, WA | Multi-family office | Founded 1999
Bristlecone Advisors is an independent investment advisory firm and multi-family office providing personalized advice and solutions. Its stated investment areas include hedge funds, private equity, and impact investments.
- AUM range
- $250M-$1B
- Check size
- Not stated
- Asset classes
- Hedge Funds, Private Equity
Bezos Expeditions
Mercer Island, WA | Single family office | Founded 2003
Bezos Expeditions manages personal investments across early- and later-stage ventures. Its holdings also include a newspaper, space projects, and a family foundation.
- AUM range
- Under $50M
- Check size
- Up to $14M
- Asset classes
- Venture Capital, Direct Investments
- Wealth source
- Not stated
Graham Capital Group, LLC
Seattle, WA | Single family office | Founded 2007
Graham Capital Group is a single-family office formed to acquire and partner with traditional small- to middle-market companies and their management teams. Its stated area includes commercial real estate development.
- AUM range
- $250M-$1B
- Check size
- Not stated
- Asset classes
- Real Estate, Direct Investments
- Wealth source
- Graham family
Parcion Private Wealth
Bellevue, WA | Multi-family office | Founded 2019
Parcion Private Wealth is a multi family office and wealth management firm serving business owners, entrepreneurs and families. Its services include investment management, tax planning, cash flow, wealth transfer, asset protection and charitable giving.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Not stated
Avantia
Bellevue, WA | Multi-family office | Founded 2020
Avantia is a multi-family office providing investment management and financial advice to individuals, families, and institutions. Its services include investing, banking, capital advisory, tax, trusts, estate planning, and philanthropy.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Not stated
Rule Family Office
Anacortes, WA | Single family office | Founded 2021
Rule Family Office manages private capital and invests in debt and equity interests issued by publicly quoted natural resource and financial services companies. Its investment activity has included public and private issuers in natural resource industries.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Public Equities, Private Equity, Private Credit
- Wealth source
- Rule family; investment management
Hoban Family Office
Everett, WA | Single family office | Founded 1987
Hoban Family Office invests directly in real estate, operating businesses, private equity, and angel opportunities. Its strategy includes co-investments and direct investments intended to support long-term capital preservation and growth.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate, Private Equity, Direct Investments
- Wealth source
- Hoban family; real estate operating businesses
Zen Capital Partners, LLC
Bainbridge Island, WA | Single family office | Founded 2009
Zen Capital Partners is a single-family office investing in real estate, technology startups, and selected venture capital and private equity funds. It also operates an educational philanthropy supporting first-generation, low-income college students.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate, Venture Capital, Private Equity, Funds
- Wealth source
- Not stated
Tapestry Associates, LLC
Seattle, WA | Multi-family office | Founded 2010
Tapestry Associates manages non-financial assets and complex projects for families. Its services address the operational, lifestyle, and planning needs associated with assets such as real estate, art, vehicles, yachts, and aircraft.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate
Aletheian Wealth Advisors
Bellevue, WA | Multi-family office | Founded 2019
Aletheian Wealth Advisors is a multi-family office serving families with estate planning and asset management needs. Its services include wealth planning, investment management and support with family enterprise and legacy planning.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Not stated