Top Investors in Seattle

Between them, the 24 investors on this page cover series (7), biotech (5), seed stage (4) and series a (4). They also list work in San Francisco, New York City, Boston and Chicago. 24 of them have written a profile you can read before you get in touch.

1. 1

   

   WRF Capital

   Biotech · Also in Stockholm and Shanghai

   WRF Capital puts money behind people and partnerships in Washington state, aiming to move university and institute research forward, particularly in life sciences and enabling…

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   Why #1: Founded 1981 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   Reed Elsevier Ventures

   Cloud · Science · DataBase · Also in London and Los Angeles

   Reed Elsevier Ventures, known as REV, is a venture capital partnership funded by the RELX Group.

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   Why #2: Founded 2000 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   Kreos Capital

   Series A · Financial Services · Series · Also in Edinburgh and Washington, Dc

   Kreos Capital provides debt financing to venture-backed growth companies across Europe and Israel. It has focused only on this kind of lending for more than 25 years.

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   Why #3: In business 25+ years — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   Founders' Co-op

   Series A · Seed Stage · Series · Also in Washington and Oregon

   Founders' Co-op is a seed-stage venture fund serving the Pacific Northwest. It describes itself as built and funded by founders, and has operated since 2008.

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   Why #4: Founded 2008 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

5. 5

   

   EQx Fund

   Series B · Series · Partners

   EQx Fund is a Boston-based venture capital fund that backs early-stage companies.

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   Why #5: Founded 2018 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

6. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
7. –

   

   Alliance of Angels

   Seed Stage · Artificial Intelligence · Biotech

   Alliance of Angels is an angel investor network based in Seattle that finances start-ups across the Pacific Northwest.

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8. –

   

   Altitude Life Science Ventures

   Science

   Altitude Life Science Ventures looks for opportunities in early-stage life science companies operating in markets with significant demand and growth potential.

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9. –

   

   BioMed Ventures

   Biotech · Also in Cambridge and Boston

   BioMed Ventures is listed here for a business that supplies real estate to the life science and technology industries.

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10. –

    

    Eastern Link Capital

    Growth Stage · Private Equity · Medical · Also in Shenzhen and Jiangsu

    Eastern Link Capital, also called EL Capital, is a private equity manager concentrating on China.

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11. –

    

    Enterprise Ireland

    Biotech · Agritech · Also in Warsaw and Toronto

    Enterprise Ireland is the Irish government agency responsible for supporting businesses in manufacturing and internationally traded services.

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12. –

    

    Frazier Healthcare Partners

    Also in Chicago and New York City

    Frazier Healthcare Partners is a growth buyout investor that works with profitable healthcare companies, pairing them with executives from its network to help drive expansion.

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13. –

    

    Keiretsu Capital

    Growth Stage

    Keiretsu Capital offers experienced and high-net-worth individuals access to investment opportunities sourced through what it describes as the world's largest angel-investor…

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14. –

    

    Lighter Capital

    Growth Stage · Artificial Intelligence · SaaS

    Lighter Capital provides revenue-based financing to technology companies.

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15. –

    

    Madrona Venture Labs

    Seed Stage · Series B · Also in Silicon Valley

    Madrona Venture Labs is the incubation arm of Madrona Venture Group.

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16. –

    

    MDI Ventures

    Series A · Growth Stage · Seed Stage · Also in Jakarta and Asia

    MDI Ventures is the venture capital business of the Telkom group in Indonesia.

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17. –

    

    NewTribe Capital

    Venture Capital · Also in Dubai

    A Web3-focused venture capital firm investing in early-stage blockchain projects across Asia, Europe and the Middle East

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18. –

    

    Qiming Venture Partners (USA)

    Series A · Series · Partners · Also in Boston and San Francisco

    Qiming Venture Partners USA is the American arm of Qiming Venture Partners, a venture firm based in China. It focuses on entrepreneurs creating the future of healthcare.

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19. –

    

    Roark Capital Group

    Private Equity

    Roark Capital Group is a private equity firm that invests in franchise and multi-unit businesses.

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20. –

    

    Sahsen Ventures

    Sahsen Ventures invests in organisations that aim to support life on Earth.

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21. –

    

    SJF Ventures

    Series · Energy · Also in New York City and San Francisco

    SJF Ventures backs companies that aim to make the future healthier, smarter and cleaner. Its stated mission is to help build businesses that bring lasting positive change.

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22. –

    

    The CAPROCK Group

    Also in Austin and Silicon Valley

    We advocate on behalf of family decision-makers and assist you with the entirety of your wealth

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23. –

    

    Tola Capital

    Tola Capital is a venture capital firm that invests only in software for business.

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24. –

    

    venBio

    Venture Capital · Series · Biotech · Also in San Francisco

    VenBio is a life sciences investment firm that works with industry leaders to develop new medicines and technologies.

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25. –

    

    Voyager Capital

    Financial Services · Partners · Cloud

    Venture capital firm backing early-stage software, cloud and big data companies in the Pacific Northwest and Western Canada

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