Top Startups in Seattle
From TerraPower to Temporal, explore the top Seattle startups that raised capital this year. See the full list and local hiring trends here.
- 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.
