San Francisco
YC Companies in San Francisco
1,500 Y Combinator startups based in San Francisco with verified founder contacts and company data.
1,500
Companies
San Francisco
Location
YC Company Directory
50 companies
Company | Batch | Description | Status | Location | Team | Site | Founders | Reveal |
|---|---|---|---|---|---|---|---|---|
Firecrawl | S22 | The web data API for AI | Active | San Francisco, CA, USA | 15 | Caleb Peffer, Eric Ciarla, Nicolas Silberstein Camara | Reveal | |
Grai | S22 | Open source version control for metadata | Inactive | San Francisco, CA, USA | 3 | Ian Eaves | Reveal | |
Integrated Reasoning | S22 | Faster processors for solving NP-complete problems | Active | San Francisco, CA, USA | 1 | David Cox | Reveal | |
iollo | S22 | Building Quinn, an AI scientist accelerating pharma/biotech R&D | Active | San Francisco, CA, USA | 4 | Daniel Gomari | Reveal | |
Jamble | S22 | Fashion resale marketplace powered by live streaming and video | Active | San Francisco, CA, USA | 3 | Louis de Jenlis, Aymar Dumoulin, Jeremy Gozlan | Reveal | |
Juicebox | S22 | AI-powered talent sourcing for recruiters | Active | San Francisco, CA, USA | 35 | David Paffenholz, Ishan Gupta | Reveal | |
Julius | S22 | AI Data Scientist | Active | San Francisco, CA, USA | 15 | Rahul Sonwalkar | Reveal | |
Knowtex | S22 | Making doctors 2x more efficient with AI note-taking & charge capture | Active | San Francisco, CA, USA | — | Caroline Zhang, Jocelyn Kang | Reveal | |
Layerup | S22 | Agentic AI OS for Financial Services and Insurance | Active | San Francisco, CA, USA | 11 | Arnav Bathla | Reveal | |
Medplum | S22 | API first electronic health record (EHR) that is open source | Active | San Francisco, CA, USA | 12 | Reshma Khilnani, Rahul Agarwal, Cody Ebberson | Reveal | |
Metriport | S22 | Open-Source Platform for Healthcare Data Intelligence | Active | San Francisco, CA, USA | 16 | Dima Goncharov, Colin Elsinga | Reveal | |
Monterey AI | S22 | Turn user feedback to product insights | Acquired | San Francisco, CA, USA | 6 | Chun Jiang | Reveal | |
Neosync | S22 | Neosync is an open-source anonymization and synthetic data platform. | Acquired | San Francisco, CA, USA | 3 | Evis Drenova | Reveal | |
Paragon AI | S22 | Turns your sales calls into CRM data, automatically. | Active | San Francisco, CA, USA | 3 | Max Lu | Reveal | |
Penguin AI | S22 | AI Sales Rep for Website Intent Signals | Inactive | San Francisco, CA, USA | 3 | Rohan Doshi, Prathik Muppidi | Reveal | |
Peoplebox.ai | S22 | AI talent platform to hire, manage, and grow your people | Active | San Francisco, CA, USA | 35 | Abhinav Chugh, Alagu M | Reveal | |
Phind | S22 | AI search engine | Active | San Francisco, CA, USA | 4 | Michael Royzen, Justin Wei | Reveal | |
Poly | S22 | Intelligent Personal Cloud Storage | Active | San Francisco, CA, USA | 3 | Abhay Agarwal | Reveal | |
Polymath Robotics | S22 | General Autonomy for Industrial Vehicles | Active | San Francisco, CA, USA | 13 | Stefan Seltz-Axmacher, Ilia Baranov | Reveal | |
PrimeVault | S22 | Infrastructure powering stablecoin and digital finance | Active | San Francisco, CA, USA | 11 | Prashant Upadhyay, Vivek Kumar | Reveal | |
PrimeVault | S22 | Infrastructure powering stablecoin and digital finance | Active | San Francisco, CA, USA | 11 | Prashant Upadhyay, Vivek Kumar | Reveal | |
Pump.co | S22 | The Costco for cloud is here 🔥🔥 | Active | San Francisco, CA, USA | 75 | Spandana Nakka | Reveal | |
Relate | S22 | All-in-One Sales and Marketing CRM for B2B teams | Active | San Francisco, CA, USA | 7 | SJ (Sangyong) Jung, Arthur (Hyun June) Kim | Reveal | |
RO Roforco | S22 | Creating viral AI consumer apps and games | Active | San Francisco, CA, USA | 4 | — | Brain Xiang | Reveal |
Ruleset | S22 | The SaaS Decision Engine for Lenders | Inactive | San Francisco, CA, USA | 1 | Logan Frederick, Zheng Hao Tan | Reveal | |
SilkChart | S22 | AI Sales Assistant to increase playbook adoption and win more deals | Active | San Francisco, CA, USA | 8 | Andreea Francis | Reveal | |
Slingshot | S22 | Analyze medical records in seconds | Acquired | San Francisco, CA, USA | 4 | Zoe Holderness | Reveal | |
SO Sonnet | S22 | Meeting notes and CRM, automated | Inactive | San Francisco, CA, USA | 7 | — | Ted Chai, Dylan Feng | Reveal |
Stellar | S22 | AI-powered business goals | Inactive | San Francisco, CA, USA | 3 | Angela Dao, Elise Nguyen, Quan Zhou | Reveal | |
Stream | S22 | The AI Claims Workbench automating insurance claims | Active | San Francisco, CA, USA | 15 | Eilam Levitov | Reveal | |
Trendex - Connect with stars | S22 | Bringing fans closer to the world’s greatest athletes | Active | San Francisco, CA, USA | 9 | Andrea Bonapersona, Jean-Joseph MARIANI | Reveal | |
Two Dots | S22 | AI fraud prevention and underwriting agent | Active | San Francisco, CA, USA | 18 | Henson Orser | Reveal | |
TypeLess | S22 | AI messaging API for smarter, faster communication. | Active | San Francisco, CA, USA | 2 | Milad Morgan, Inaz Novin | Reveal | |
Adni | S21 | AI career platform for healthcare workers | Active | San Francisco, CA, USA | 5 | Anthony Scarpone-Lambert, Jennifferre Mancillas | Reveal | |
Affogato AI | S21 | Affogato AI — Your Agent for instant TikToks, Reels, and ads. | Active | San Francisco, CA, USA | 15 | Bhagaban Behera, Nakul Kelkar | Reveal | |
Anakin | S21 | We automate pricing for eCommerce and on-demand service companies | Active | San Francisco, CA, USA | 60 | Mohit Prateek, Rashmi Bala | Reveal | |
Ananya Health | S21 | Portable cryoablation to prevent cervical cancer | Active | San Francisco, CA, USA | 8 | Anu Parvatiyar | Reveal | |
Aviator | S21 | Google-level engineering productivity suite | Active | San Francisco, CA, USA | 6 | Ankit Jain | Reveal | |
Awesomic | S21 | Get matched with top 1% of talents in 24h | Active | San Francisco, CA, USA | 150 | Stacy Pavlyshyna, Roman Sevast | Reveal | |
Birdie | S21 | Connect LinkedIn to your CRM to automate and track LinkedIn outreach. | Active | San Francisco, CA, USA | 2 | Daniel Hung | Reveal | |
Breadcrumbs.io | S21 | No-code scoring engine identifying your most engaged upsell opps | Acquired | San Francisco, CA, USA | 20 | Armando Biondi, Gary Amaral, Massimo Chieruzzi | Reveal | |
Buoyant Aero | S21 | Bringing back blimps | Active | San Francisco, CA, USA | 2 | Benjamin Claman | Reveal | |
Bytebot | S21 | Bytebot is the open source container for AI desktop agents. | Active | San Francisco, CA, USA | 3 | Carl Atupem | Reveal | |
Cabal | S21 | Private workspace for founders, investors, and advisors to collaborate | Active | San Francisco, CA, USA | 8 | Fahim Ferdous | Reveal | |
Cache | S21 | Online convenience stores fulfilled by tiny, automated dark stores. | Inactive | San Francisco, CA, USA | 2 | Christopher Wu, Jimmy Young | Reveal | |
Canopi | S21 | API to measure and eliminate carbon emissions | Inactive | San Francisco, CA, USA | — | Taishi Nojima, Tomas Alvarez Belon | Reveal | |
Cloudthread | S21 | Eliminate Cloud Waste. Attribute and Track Savings. Engage Engineers. | Active | San Francisco, CA, USA | 8 | Ilia Semenov | Reveal | |
Dime | S21 | Instant E2E tests for your website | Inactive | San Francisco, CA, USA | 2 | Ben Share, Aaron Barbieri-Aghib | Reveal | |
Dots 💸 | S21 | Developer friendly drop in payouts infrastructure | Active | San Francisco, CA, USA | 10 | Sahil Hasan, Kartikye Mittal | Reveal | |
Epinoma | S21 | We engineer proteins that control the operating system of biology. | Active | San Francisco, CA, USA | 8 | Varun Govil, Zhijian Li | Reveal |
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