Homeostasis
Homeostasis is a Seattle-based startup in the clean technology and materials science sectors that develops technology to convert CO2...
Organizations in Seattle
The organizations of the Seattle ecosystem — browse by category or search by name.
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HouseWhisper
HouseWhisper is a real estate technology startup that uses AI to assist agents with administrative tasks.
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Hubble
Hubble (Hubble Network) is a Seattle-based startup in the satellite Bluetooth industry; it raised $200 million at a $1.6 billion valuation.
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Hubble AI
Hubble AI is a startup participating in Y Combinator S26, headquartered in Seattle and being built by the author with Aaron Leon.
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Hubble Network
Hubble Network is a Seattle-based space startup developing a satellite Bluetooth tracking network, operating in the space technology...
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Humanly
Humanly is a Bellevue-based company that offers AI-powered recruiting and job seeker coaching tools in the Human Resources and Artificial...
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Humming
Humming is a Tacoma-based programmatic advertising platform operating in the advertising and technology sectors, distinguished by its...
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Huntr
Huntr is a threat research community in the cybersecurity industry that was acquired by Protect AI in 2023 and is headquartered in...
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Hustle Fund
Venture Capital and Private Equity Principals · Seed
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Hyperproof
Hyperproof is a compliance operations software company headquartered in Seattle, Washington, USA, and is a customer of Vieu.
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Hyphen AI
Hyphen AI is a Seattle-based organization focused on automating cloud deployments using generative AI, and is an alternative form of the...
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Hyviva
Hyviva is a startup based in Redmond, Washington, developing hydrogen-fueled modular energy storage devices that offer an alternative to...
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Icertis
Icertis is a Bellevue, Washington–based contract management software company founded in 2009 that has raised over $500 million and was...
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ICONIQ Capital
Venture Capital, Investment Management
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Icosavax
Icosavax is a biotechnology company developing synthetic vaccines, originating as a spinout from the University of Washington Institute...
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IdealSeat
IdealSeat was a Seattle-based startup (founded 2014) that built a data platform to help sports franchises improve the fan experience and...
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Ideoclick
Ideoclick is a Seattle-based company founded by Justin Leigh that assists Amazon sellers.
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ID Genomics
ID Genomics is a Seattle-based diagnostics startup developing the CovNET rapid dipstick test and a next-day sequencing service for...
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iFoodDS
iFoodDS is a Seattle-based startup that develops software for tracking fresh food across the supply chain; it has been operating for...
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Igneous
Igneous is a Seattle-area startup that is listed as part of WestRiver Group's portfolio.
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Ignition
Venture Capital, Investment
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Ignition Partners
Venture Capital and Private Equity Principals
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ImageKind
ImageKind was a Seattle-based startup founded by Kelly Smith and later sold to CafePress.
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Impact Hub Seattle
Impact Hub Seattle was a Seattle-based co-working organization (later rebranded as Seattle Impact Hall) that provided shared workspace...
