# Top 50 AI Startups in Seattle by Funding (2026)

> The 50 best-funded AI startups in Seattle, ranked by total funding raised: $3.1B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/ai-startups-seattle (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Starcloud** Starcloud, Inc.](https://millionrounds.com/company/starcloud) Starcloud, Inc. *Founded* 2024 Redmond, United States **$430M** last round Aug 2026
- 2 [**Outreach** Outreach is a sales engagement platform that uses AI for predictive analytics as it relates to sales.](https://millionrounds.com/company/outreach) Outreach is a sales engagement platform that uses AI for predictive analytics as it relates to sales. *Founded* 2014 Seattle, United States **$238M** last round Jun 2022
- 3 [**Highspot** Highspot is a sales enablement platform that helps companies worldwide improve the performance of their sales teams.](https://millionrounds.com/company/highspot) Highspot is a sales enablement platform that helps companies worldwide improve the performance of their sales teams. *Founded* 2012 Seattle, United States **$195M** last round Jul 2022
- 4 [**XBOW** XBOW is an autonomous offensive security platform that specializes in AI-driven cybersecurity solutions.](https://millionrounds.com/company/xbow) XBOW is an autonomous offensive security platform that specializes in AI-driven cybersecurity solutions. *Founded* 2024 Seattle, United States **$155M** last round May 2026
- 5 [**Allen Institute for Artificial Intelligence** Allen Institute for Artificial Intelligence (AI2) is an artificial intelligence research institute and start-up incubator.](https://millionrounds.com/company/allen-institute-for-artificial-intelligence) Allen Institute for Artificial Intelligence (AI2) is an artificial intelligence research institute and start-up incubator. *Founded* 2014 Seattle, United States **$152M** last round Aug 2025
- 6 [**Auger** Auger is a technology company based in Bellevue, Washington, founded in 2024 by Dave Clark, the former CEO of Amazon Consumer.](https://millionrounds.com/company/auger) Auger is a technology company based in Bellevue, Washington, founded in 2024 by Dave Clark, the former CEO of Amazon Consumer. *Founded* - Bellevue, United States **$150M** last round Jul 2026
- 7 [**Rec Room** Rec Room, founded in 2016 by Nick Fajt and a team of co-founders, was a social gaming and virtual reality platform based in Seattle.](https://millionrounds.com/company/rec-room) Rec Room, founded in 2016 by Nick Fajt and a team of co-founders, was a social gaming and virtual reality platform based in Seattle. *Founded* 2016 Seattle, United States **$145M** last round Dec 2021
- 8 [**SeekOut** SeekOut is an AI-powered Enterprise Talent Optimization Platform founded in 2017 by former Microsoft executives Anoop Gupta and Aravind Bala.](https://millionrounds.com/company/seekout) SeekOut is an AI-powered Enterprise Talent Optimization Platform founded in 2017 by former Microsoft executives Anoop Gupta and Aravind Bala. *Founded* 2017 Bellevue, United States **$121M** last round Jan 2022
- 9 [**Nuance Labs** Nuance Labs is an AI research company based in Seattle, founded in 2024.](https://millionrounds.com/company/nuance-labs) Nuance Labs is an AI research company based in Seattle, founded in 2024. *Founded* - Seattle, United States **$107M** last round Sept 2026
- 10 [**Gradial** Gradial is a Seattle-based enterprise marketing execution company founded in 2023.](https://millionrounds.com/company/gradial) Gradial is a Seattle-based enterprise marketing execution company founded in 2023. *Founded* 2023 Seattle, United States **$100M** last round Jun 2026
- 11 [**Overland AI** Overland AI is a manufacturer and developer of autonomous navigation for off-road autonomous vehicles.](https://millionrounds.com/company/overland-ai) Overland AI is a manufacturer and developer of autonomous navigation for off-road autonomous vehicles. *Founded* 2023 Seattle, United States **$80M** last round Feb 2026
- 12 [**Edge Delta** Edge Delta is a Seattle-based company that specializes in observability and telemetry pipelines.](https://millionrounds.com/company/edge-delta) Edge Delta is a Seattle-based company that specializes in observability and telemetry pipelines. *Founded* 2018 Seattle, United States **$66M** last round May 2022
- 13 [**Arzeda** We harness the power of Intelligent Protein Design TechnologyTM to create enzyme products solving industry's toughest challenges](https://millionrounds.com/company/arzeda) We harness the power of Intelligent Protein Design TechnologyTM to create enzyme products solving industry's toughest challenges *Founded* 2009 Seattle, United States **$65M** last round Sept 2024
- 14 [**MangoBoost** MangoBoost, Inc.](https://millionrounds.com/company/mangoboost) MangoBoost, Inc. *Founded* 2022 Bellevue, United States **$62M** last round Apr 2026
- 15 [**Protect AI** Protect AI is a cybersecurity company that helps in managing security risks and defending against AI security threats.](https://millionrounds.com/company/protect-ai) Protect AI is a cybersecurity company that helps in managing security risks and defending against AI security threats. *Founded* - Seattle, United States **$60M** last round Aug 2024
- 16 [**Entire** Entire is developing the world's next developer platform, allowing agents and humans to interact, learn, and ship together.](https://millionrounds.com/company/entire) Entire is developing the world's next developer platform, allowing agents and humans to interact, learn, and ship together. *Founded* - Seattle, United States **$60M** last round Feb 2026
- 17 [**Supio** Supio is a Seattle-based AI platform designed specifically for personal injury and mass tort plaintiff law firms.](https://millionrounds.com/company/supio) Supio is a Seattle-based AI platform designed specifically for personal injury and mass tort plaintiff law firms. *Founded* 2021 Seattle, United States **$60M** last round Apr 2025
- 18 [**Centific** Centific is a global data and AI solutions company based in Redmond, Washington.](https://millionrounds.com/company/centific) Centific is a global data and AI solutions company based in Redmond, Washington. *Founded* 2020 Redmond, United States **$60M** last round Jul 2025
- 19 [**Augmodo** Augmodo is a Seattle-based spatial AI company founded in 2023, specializing in real-time inventory and task tracking for the retail industry.](https://millionrounds.com/company/augmodo) Augmodo is a Seattle-based spatial AI company founded in 2023, specializing in real-time inventory and task tracking for the retail industry. *Founded* - Seattle, United States **$59M** last round Aug 2026
- 20 [**Phaidra** Phaidra is a Seattle-based artificial intelligence company founded in 2019.](https://millionrounds.com/company/phaidra) Phaidra is a Seattle-based artificial intelligence company founded in 2019. *Founded* 2019 Seattle, United States **$50M** last round Oct 2025
- 21 [**Read AI** Read AI is a Seattle-based enterprise productivity software company founded in 2021.](https://millionrounds.com/company/read-ai) Read AI is a Seattle-based enterprise productivity software company founded in 2021. *Founded* 2021 Seattle, United States **$50M** last round Oct 2024
- 22 [**Klinic** Klinic creates a practice-in-a-box experience for independent practitioners to run and grow their practice.](https://millionrounds.com/company/klinic) Klinic creates a practice-in-a-box experience for independent practitioners to run and grow their practice. *Founded* 2021 Seattle, United States **$48M** last round Jun 2026
- 23 [**Archera** Archera provides a cloud cost optimization solution for companies to save time and money on their cloud costs, without any risk.](https://millionrounds.com/company/archera) Archera provides a cloud cost optimization solution for companies to save time and money on their cloud costs, without any risk. *Founded* 2019 Bellevue, United States **$47M** last round Oct 2026
- 24 [**Proprio** Proprio is a Seattle-based surgical technology company that specializes in AI-powered, real-time intraoperative guidance systems for precision surgery.](https://millionrounds.com/company/proprio) Proprio is a Seattle-based surgical technology company that specializes in AI-powered, real-time intraoperative guidance systems for precision surgery. *Founded* 2016 Seattle, United States **$43M** last round Jul 2023
- 25 [**Vanilla** Vanilla is a B2B estate planning technology platform designed for financial advisors, Registered Investment Advisors (RIAs), and wealth management firms.](https://millionrounds.com/company/vanilla) Vanilla is a B2B estate planning technology platform designed for financial advisors, Registered Investment Advisors (RIAs), and wealth management firms. *Founded* 2019 Bellevue, United States **$35M** last round Aug 2024
- 26 [**Avante** Avante Health Inc.](https://millionrounds.com/company/avante) Avante Health Inc. *Founded* 2024 Seattle, United States **$30M** last round Oct 2026
- 27 [**CopilotKit** The full-stack framework for building user interactive agents and copilots.](https://millionrounds.com/company/copilotkit) The full-stack framework for building user interactive agents and copilots. *Founded* 2023 Seattle, United States **$27M** last round May 2026
- 28 [**Rhythms** Rhythms offers generative AI, the prevalence of hybrid workplaces, the imperative to do more with less are reshaping organizations function.](https://millionrounds.com/company/rhythms) Rhythms offers generative AI, the prevalence of hybrid workplaces, the imperative to do more with less are reshaping organizations function. *Founded* 2023 Bellevue, United States **$26M** last round Dec 2023
- 29 [**GoodShip** GoodShip is a SaaS platform based in Nashville, Tennessee, that specializes in freight orchestration, procurement, and pricing.](https://millionrounds.com/company/goodship) GoodShip is a SaaS platform based in Nashville, Tennessee, that specializes in freight orchestration, procurement, and pricing. *Founded* 2022 Bellevue, United States **$25M** last round Aug 2025
- 30 [**Lexion** Lexion is an operations workflow platform that streamlines and centralizes the contracting process to enhance team productivity.](https://millionrounds.com/company/lexion) Lexion is an operations workflow platform that streamlines and centralizes the contracting process to enhance team productivity. *Founded* 2019 Seattle, United States **$24M** last round Apr 2023
- 31 [**Textio** Textio is an AI company based in Seattle, Washington, founded in 2014 by Kieran Snyder and Jensen Harris.](https://millionrounds.com/company/textio) Textio is an AI company based in Seattle, Washington, founded in 2014 by Kieran Snyder and Jensen Harris. *Founded* 2014 Seattle, United States **$23M** last round Jan 2022
- 32 [**Talus Bio** Talus Bio is a drug discovery biotech startup working on drug development for gene regulators.](https://millionrounds.com/company/talus-bio) Talus Bio is a drug discovery biotech startup working on drug development for gene regulators. *Founded* 2020 Seattle, United States **$22M** last round Sept 2026
- 33 [**Golden Analytics** Golden Analytics develops an AI-native business intelligence platform that automates analytics workflows and surfaces insights.](https://millionrounds.com/company/golden-analytics) Golden Analytics develops an AI-native business intelligence platform that automates analytics workflows and surfaces insights. *Founded* 2026 Seattle, United States **$21M** last round Jun 2026
- 34 [**Summation** Summation is an AI-native enterprise platform based in Bellevue, WA.](https://millionrounds.com/company/summation) Summation is an AI-native enterprise platform based in Bellevue, WA. *Founded* 2024 Bellevue, United States **$21M** last round Oct 2025
- 35 [**Aloft** Aloft is a real estate valuation technology company.](https://millionrounds.com/company/aloft) Aloft is a real estate valuation technology company. *Founded* 2021 Seattle, United States **$21M** last round Feb 2026
- 36 [**Diagrid** Diagrid is a software company focused on cloud-native application development and distributed systems management.](https://millionrounds.com/company/diagrid) Diagrid is a software company focused on cloud-native application development and distributed systems management. *Founded* 2021 Seattle, United States **$20M** last round Nov 2022
- 37 [**Union.ai** Union.ai is a private AI infrastructure company founded in 2021 and located in the Seattle/Bellevue area of Washington.](https://millionrounds.com/company/union-ai) Union.ai is a private AI infrastructure company founded in 2021 and located in the Seattle/Bellevue area of Washington. *Founded* 2021 Seattle, United States **$19M** last round Feb 2026
- 38 [**Bridgetown Research** Bridgetown Research creates AI agents with a research and analysis focus, utilizing primary and secondary data for verticals.](https://millionrounds.com/company/bridgetown-research) Bridgetown Research creates AI agents with a research and analysis focus, utilizing primary and secondary data for verticals. *Founded* - Seattle, United States **$19M** last round Feb 2025
- 39 [**ElastixAI** ElastixAI is an AI inference platform company based in Seattle, WA, founded in 2025.](https://millionrounds.com/company/elastixai) ElastixAI is an AI inference platform company based in Seattle, WA, founded in 2025. *Founded* 2025 Seattle, United States **$18M** last round Mar 2026
- 40 [**Symbl.ai** Symbl.ai is an early-stage, venture-backed startup that is democratizing access to conversational intelligence for developers.](https://millionrounds.com/company/symbl-ai) Symbl.ai is an early-stage, venture-backed startup that is democratizing access to conversational intelligence for developers. *Founded* 2018 Seattle, United States **$17M** last round Nov 2021
- 41 [**Vouched** Vouched is a Seattle-based company founded in 2018 that specializes in AI-powered identity verification.](https://millionrounds.com/company/vouched) Vouched is a Seattle-based company founded in 2018 that specializes in AI-powered identity verification. *Founded* 2018 Seattle, United States **$17M** last round Sept 2025
- 42 [**NewDays** NewDays is a health technology company based in Seattle, dedicated to enhancing cognitive health for older adults, particularly those with mild cognitive impair](https://millionrounds.com/company/newdays) NewDays is a health technology company based in Seattle, dedicated to enhancing cognitive health for older adults, particularly those with mild cognitive impair *Founded* 2024 Seattle, United States **$16M** last round Sept 2026
- 43 [**Outbound AI** Outbound AI is a Seattle-based healthcare technology company founded in 2021.](https://millionrounds.com/company/outbound-ai) Outbound AI is a Seattle-based healthcare technology company founded in 2021. *Founded* 2021 Seattle, United States **$16M** last round Jun 2023
- 44 [**ConverzAI** ConverzAI is an innovative HR technology startup based in Seattle, Washington, with operations in Mumbai, India.](https://millionrounds.com/company/converzai) ConverzAI is an innovative HR technology startup based in Seattle, Washington, with operations in Mumbai, India. *Founded* 2019 Seattle, United States **$16M** last round Feb 2025
- 45 [**Vercept** Humanloop is an AI platform that helps enterprises evaluate, manage, and monitor large language model applications.](https://millionrounds.com/company/vercept) Humanloop is an AI platform that helps enterprises evaluate, manage, and monitor large language model applications. *Founded* - Seattle, United States **$16M** last round Jun 2025
- 46 [**firmly** Firmly is an agentic commerce platform based in Sammamish, Washington, founded in 2019.](https://millionrounds.com/company/firmly) Firmly is an agentic commerce platform based in Sammamish, Washington, founded in 2019. *Founded* 2019 Seattle, United States **$15M** last round Nov 2026
- 47 [**SageOx** Agentic engineering makes coding fast but alignment hard.](https://millionrounds.com/company/sageox) Agentic engineering makes coding fast but alignment hard. *Founded* - Seattle, United States **$15M** last round May 2026
- 48 [**Xembly** Xembly is a Seattle-based technology company founded in 2020 that specializes in developing an AI-powered automated chief of staff for knowledge workers.](https://millionrounds.com/company/xembly) Xembly is a Seattle-based technology company founded in 2020 that specializes in developing an AI-powered automated chief of staff for knowledge workers. *Founded* 2020 Seattle, United States **$15M** last round Oct 2022
- 49 [**Defined.ai** Defined.ai (former DefinedCrowd) enabling AI creators of the future.](https://millionrounds.com/company/defined-ai) Defined.ai (former DefinedCrowd) enabling AI creators of the future. *Founded* 2015 Seattle, United States **$15M** last round Jan 2022
- 50 [**Clarify** Clarify is an AI-native, autonomous CRM platform designed for modern revenue teams.](https://millionrounds.com/company/clarify) Clarify is an AI-native, autonomous CRM platform designed for modern revenue teams. *Founded* 2024 Seattle, United States **$15M** last round Jun 2025

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed as any of these sectors, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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