Startups in Seattle: Top 20 Funded Companies (2026)
From TerraPower to Temporal, explore the top startups in Seattle that raised capital this year. See the full list and local hiring trends here.
Published March 26, 2026 by Jacob Klionsky
- 01
Energy • Science and Engineering•Washington$650MEquityBill Gates‑backed nuclear startup TerraPower raised a $650M funding round; NVentures, Bill Gates, and HD Hyundai participated
- 02Commerce and Shopping • Financial Services•Washington$500MEquity
Avalara raised a $500 million investment led by BlackRock.
- 03Information Technology • Internet Services•Washington$300MSeries D
Temporal Technologies, an open-source durable execution platform for agentic AI applications, raised a $300 M Series D round led by Andreessen Horowitz with participation from Lightspeed, Sapphire, Sequoia, Index, Tiger, GIC, Madrona, and Amplify.
- 04Artificial Intelligence (AI) • Consumer Electronics•Washington$120MSeries C
Autonomous offensive security company XBOW raised $120 million in a Series C at a valuation of over $1 billion led by DFJ Growth and Northzone with participation from Sofina, Alkeon Capital, Altimeter, NFDG Ventures, and Sequoia Capital
- 05Data and Analytics • Software•Washington$100MSeries C
Statsig, a complete platform for product development, raised a $100M Series C at a $1.1B valuation led by ICONIQ Growth; Sequoia and Madrona participated.
- 06Biotechnology • Health Care•Washington$100MSeries D
Inhaled pulmonary fibrosis therapeutics developer Avalyn Pharma raised a $100M Series D co-led by Suvretta Capital Management and SR One; Norwest Venture Partners and Perceptive Advisors participated.
- 07Apps • Information Technology•Washington$100MSeries B
Bluesky, a social network built on the AT Protocol, raised $100M in a Series B led by Bain Capital Crypto with participation from Alumni Ventures, True Ventures, Anthos Capital, Bloomberg Beta, and Knight Foundation.
- 08Energy • Internet Services•Washington$87MEquity
Omnidian, a provider of solar performance plans, secured a more than $87M funding commitment led by B Capital; Activate Capital, Liberty Mutual Investments, National Grid Partners and others participated.
- 09Artificial Intelligence (AI) • Data and Analytics•Washington$80MEquity
Overland AI, a defense-focused autonomous ground vehicle startup, raised a $100M funding round—including a $20M venture debt facility—led by 8VC with participation from Point72 Ventures, Ascend Venture Capital, Shasta Ventures, Overmatch Ventures, Valor Equity Partners, and StepStone Group.
- 10Consumer Electronics • Consumer Goods•Washington$75MEquity
Seattle-based public-safety drone maker Brinc raised a $75M funding round led by Index Ventures; Motorola Solutions also participated.
- 11Blockchain and Cryptocurrency • Financial Services•Washington$70MEquity
Ethereum restaking protocol EigenLayer received a $70M token buy from a16z to back the launch of EigenCloud.
- 12Information Technology • Software•Washington$60MSeed
Entire, a collaborative AI developer platform, raised a $60 million seed round led by Felicis with participation from Madrona, M12, Basis Set, 20VC, Cherry Ventures, Picus Capital, Global Founders Capital, and strategic angels.
- 13Artificial Intelligence (AI) • Data and Analytics•Washington$60MSeries B
Supio, a legal AI platform for plaintiff law, raised a $60M Series B led by Sapphire Ventures; Mayfield and Thomson Reuters Ventures participated.
- 14Manufacturing • Science and Engineering•Washington$60MGrant
Gravitics, a developer of large space structures, secured up to $60 million in Strategic Funding Increase (STRATFI) funding from the U.S. Space Force’s SpaceWERX.
- 15Artificial Intelligence (AI) • Data and Analytics•Washington$50MSeries B
AI-infrastructure optimizer Phaidra raised a Series B of more than $50 million led by Collaborative Fund, with participation from Helena, Index Ventures, NVIDIA, Sony Innovation Fund, and others.
- 16Artificial Intelligence (AI) • Data and Analytics•Washington$50MEquity
AI platform for heavy machinery AIM raised $50M in funding; investors include Khosla Ventures, General Catalyst, Human Capital, Ironspring Ventures, Mantis, and others
- 17Artificial Intelligence (AI) • Data and Analytics•Washington$40MSeries B
AI communication-training startup Yoodli raised a $40 million Series B led by WestBridge Capital with Neotribe and Madrona participating.
- 18Artificial Intelligence (AI) • Data and Analytics•Washington$38.1MSeries A
Union.ai, an AI development infrastructure startup, raised a $38.1 million Series A round led by NEA with participation from Nava Ventures and Mozilla Ventures.
- 19Commerce and Shopping•Washington$37.5MSeries A
Real-time inventory spatial AI startup Augmodo raised a $37.5M Series A led by TQ Ventures, with participation from Lerer Hippeau, NewFare, WIN, Interlace, Arena Holdings, Jefferson River Capital and others.
- 20Artificial Intelligence (AI) • Data and Analytics•Washington$37MSeries B
Dropzone AI, an AI SOC analysts provider, raised a $37M Series B led by Theory Ventures; Madrona, Decibel Ventures, Pioneer Square Labs and IQT participated.
