Seattle
YC Companies in Seattle
68 Y Combinator startups based in Seattle with verified founder contacts and company data.
68
Companies
Seattle
Location
YC Company Directory
50 companies
Company | Batch | Description | Status | Location | Team | Site | Founders | Reveal |
|---|---|---|---|---|---|---|---|---|
Chamber | W26 | The AIOps Agent for ML Teams | Active | Seattle, WA, USA | 4 | Charles Ding, Andreas Bloomquist, Jason Ong, Shaocheng Wang | Reveal | |
ClaimGlide | W26 | AI automated prior-auths for private medical practices | Active | Seattle, WA, USA | 1 | Nami Lindquist | Reveal | |
Constellation Space | W26 | AI operating system for mega-scale satellite networks. | Active | Seattle, WA, USA | 4 | Kamran Majid, Laith Altarabishi, Raaid Kabir, Omeed Tehrani | Reveal | |
Constellation Space | W26 | AI for space mission assurance. | Active | Seattle, WA, USA | 4 | Laith Altarabishi, Raaid Kabir, Kamran Majid, Omeed Tehrani | Reveal | |
Kyten Technologies | W26 | Custom Aerospace-Grade Battery Packs | Inactive | Seattle, WA, USA | 2 | Cooper McBride, Lucas Maddox | Reveal | |
CopyCat | W25 | AI agents built for insurance brokers | Active | Seattle, WA, USA | 2 | Graham Sabin, Abhi Balijepalli, Abhi Balijepali | Reveal | |
Red Barn Robotics | W25 | A Roomba for weeds on a farm. | Active | Seattle, WA, USA | 5 | Adam Iseman, Ilya Kelner, Alex Neff | Reveal | |
Manifold Freight | W24 | Aggregating Spot Freight Opportunities for Carriers | Active | Seattle, WA, USA; Remote | 5 | Oliver Jones, Andrew Huff | Reveal | |
Manifold Freight | W24 | Aggregating Spot Freight Opportunities for Carriers | Active | Seattle, WA, USA | 3 | Oliver Jones, Andrew Huff | Reveal | |
Preloop | W24 | Translate your experimental scripts into production ML services | Active | Seattle, WA, USA | 2 | Tejas Hosangadi, Nikith Hosangadi | Reveal | |
Soundry AI | W24 | Remix any song into any style | Acquired | Seattle, WA, USA | 2 | Mark Buckler, Justin Parus, Diandre Ruiz | Reveal | |
Terrakotta | W24 | AI platform for phone-first sellers | Active | Seattle, WA, USA | 5 | Vincent Wilson, Kusiima Boswell, Gabriel Wilson | Reveal | |
Backdrop | W23 | AI coworkers for running projects and operations | Active | Seattle, WA, USA | 2 | Akanksha Singh, Caitlin Short | Reveal | |
Boundary | W23 | The programming language for AI | Active | Seattle, WA, USA | 5 | Vaibhav Gupta, Aaron Villalpando Gonzalez | Reveal | |
Cakework | W23 | API that adds cloud hosting to any developer platform | Inactive | Seattle, WA, USA | 2 | Eric Chen, Jessie Young | Reveal | |
Decohere | W23 | Real-time generative AI | Active | Seattle, WA, USA | 4 | Rishi Bhuta, Will Stith | Reveal | |
highlight.io | W23 | The open source, fullstack monitoring platform: stop guessing why… | Acquired | Seattle, WA, USA; Remote | 8 | Jay Khatri, Vadim Korolik, Nathaniel Emodi | Reveal | |
highlight.io | W23 | The open source, fullstack monitoring platform: stop guessing why… | Acquired | Seattle, WA, USA | 8 | Jay Khatri, Vadim Korolik | Reveal | |
Matano | W23 | Cloud Native SIEM (alternative to Splunk/Elastic) | Active | Seattle, WA, USA | 2 | Samrose Ahmed, Shaeq Ahmed | Reveal | |
Radical | W23 | Building persistent, high-performance infrastructure in the sky | Active | Seattle, WA, USA | 6 | James Thomas, Cyriel Notteboom | Reveal | |
Radical | W23 | Building persistent, high-performance infrastructure in the sky | Active | Seattle, WA, USA | 6 | James Thomas, Cyriel Notteboom | Reveal | |
Cash Flow Portal | W22 | Investment management platform for real estate | Active | Seattle, WA, USA | 19 | Perry Zheng | Reveal | |
Cash Flow Portal | W22 | Investment management platform for real estate | Active | Seattle, WA, USA; Remote | 19 | Perry Zheng | Reveal | |
Strac | W22 | Data Discovery, DLP, DSPM for SaaS, Cloud, Gen AI & Endpoints | Active | Seattle, WA, USA | 8 | Aatish Mandelecha | Reveal | |
Uberduck | W22 | Fast, professional content creation with AI audio, image, and video. | Active | Seattle, WA, USA | 2 | Zach Ocean | Reveal | |
Uberduck | W22 | Fast, professional content creation with AI audio, image, and video. | Inactive | Seattle, WA, USA | 2 | Zach Ocean, Samson Koelle | Reveal | |
VacationHomeRents | W22 | Kayak.com for vacation rentals | Active | Seattle, WA, USA | 4 | Allan Jiang, Jianyu (Leo) Li | Reveal | |
Nimbus | W21 | Nimbus reduces Datadog costs by more than 60% without Manual Effort | Inactive | Seattle, WA, USA | 3 | Kevin Lin | Reveal | |
Promoted.ai | W21 | Dramatically better search and ads for marketplaces | Acquired | Seattle, WA, USA | 12 | Dan Hill, Andrew Yates | Reveal | |
Stoke Space | W21 | Seamless mobility to, through, and from space. It starts with 100%… | Active | Seattle, WA, USA | 305 | Andy Lapsa, Tom Feldman | Reveal | |
Stoke Space | W21 | Seamless mobility to, through, and from space. It starts with 100%… | Active | Seattle, WA, USA | 305 | Andy Lapsa, Tom Feldman | Reveal | |
Stoke Space | W21 | Seamless mobility to, through, and from space. It starts with 100%… | Active | Seattle, WA, USA | 305 | Andy Lapsa, Tom Feldman | Reveal | |
Worksphere | W21 | Manage your hybrid workplace | Acquired | Seattle, WA, USA | 6 | Aakhil Fardeen, Theresa Klaassen, Mark Piper | Reveal | |
Humanly | W20 | We empower the world’s hiring teams to grow engaged, high-performing… | Active | Seattle, WA, USA | 30 | Andrew Gardner, Prem Kumar, Bryan Leptich | Reveal | |
bluedoor | S24 | The world's data, ready for AI | Active | Seattle, WA, USA | 1 | Sam Crombie | Reveal | |
Clearly AI | S24 | Automate security and privacy reviews | Active | Seattle, WA, USA | 17 | Emily Choi-Greene, Joe Choi-Greene | Reveal | |
Silurian | S24 | Foundation models to simulate Earth, starting with weather. | Active | Seattle, WA, USA | 6 | Jayesh K. Gupta, Cristian Bodnar, Nikhil Shankar | Reveal | |
Starcloud | S24 | Data centers in space | Active | Seattle, WA, USA | 12 | Philip Johnston, Ezra Feilden, Adi Oltean | Reveal | |
OpenPipe | S23 | Turn expensive prompts into cheap fine-tuned models | Acquired | Seattle, WA, USA | 2 | Kyle Corbitt, David Corbitt | Reveal | |
Talc | S23 | Event extraction for Medical Researchers | Active | Seattle, WA, USA | 3 | Matt Lee, Max Kerr | Reveal | |
VetRec | S23 | AI Scribe for veterinarians. Saving time and improving patient care. | Active | Seattle, WA, USA | 45 | David de Matheu, Kevin Cohen, David Matheu | Reveal | |
Alma | S22 | Gamified mobile banking app where people can win $1M every Wednesday | Inactive | Seattle, WA, USA; Palo Alto, CA, USA; Remote | — | Agni Bhattacharya, Allison Bellows | Reveal | |
Aurelian | S22 | Automating non-emergency calls for 911 centers | Active | Seattle, WA, USA | 45 | Max Keenan, James Liu | Reveal | |
Aurelian | S22 | Automating non-emergency calls for 911 centers | Active | Seattle, WA, USA | 15 | Max Keenan, James Liu | Reveal | |
Intuned | S22 | Code-first scrapers and RPAs — built and maintained by AI | Active | Seattle, WA, USA | 15 | Faisal Ilaiwi | Reveal | |
aSim | S21 | Build and share apps with friends | Active | Seattle, WA, USA | 9 | Daniel Li, Daniel Kim | Reveal | |
Talus Bio | S21 | Discovering drugs that target the DNA regulome | Active | Seattle, WA, USA | 16 | Alex Federation, Lindsay Pino | Reveal | |
Talus Bio | S21 | Discovering drugs that target the DNA regulome | Active | Seattle, WA, USA | 16 | Alex Federation, Lindsay Pino | Reveal | |
Awtomic | S20 | Dollar Shave Club as a platform. | Active | Seattle, WA, USA | 11 | Emily Yuhas | Reveal | |
Inspectify | S20 | Home Inspections, Simplified | Active | Seattle, WA, USA | 55 | Josh Jensen, Denis Bellavance, Taylor Zwisler | Reveal |
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