San Francisco

YC Companies in San Francisco

2,672 Y Combinator startups based in San Francisco with verified founder contacts and company data.

2,672

Companies

San Francisco

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YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Abalone Bio	W20	We create activating antibodies to treat diseases others can’t.	Active	San Francisco, CA, USA	14	Richard Yu, Gustavo Pesce	Reveal
Accord	W20	The Revenue Excellence Platform	Active	San Francisco, CA, USA	20	Ross Rich, Ryan Rich	Reveal
Aden	W20	Open source agent generation framework	Active	San Francisco, CA, USA	5	Vincent Jiang, Timothy Zhang	Reveal
Aios Medical	W20	Accelerating the global take-up of GLP-1 medications	Active	San Francisco, CA, USA	100	Richie Cartwright	Reveal
Airbyte	W20	Context layer for production-grade AI agents	Active	San Francisco, CA, USA	90	Michel Tricot, Jean Lafleur, John Lafleur	Reveal
Algen Biotechnologies	W20	Using CRISPR to find treatments for cancer and inflammation	Active	San Francisco, CA, USA	13	Chun-Hao Huang, Christine Du	Reveal
Algen Biotechnologies	W20	Using CRISPR to find treatments for cancer and inflammation	Active	San Francisco, CA, USA	15	Chun-Hao Huang, Christine Du	Reveal
Altay Therapeutics	W20	Altay develops disease-modifying therapies targeting transcription…	Active	San Francisco, CA, USA; South San Francisco, CA, USA	6	Ali Ozes, Osman Ozes	Reveal
Angle Health	W20	Health Insurance for Startups	Active	San Francisco, CA, USA	100	Ty Wang, Anirban Gangopadhyay	Reveal
Angle Health	W20	Health Insurance for Startups	Active	San Francisco, CA, USA	8	Ty Wang, Anirban Gangopadhyay	Reveal
Ansa Biotechnologies	W20	Next-generation DNA synthesis using enzymes	Active	San Francisco, CA, USA; Emeryville, CA, USA	72	Dan Lin-Arlow, Sebastian Palluk, Daniel Arlow	Reveal
Atmo	W20	Ultra-precise AI weather forecasting.	Active	San Francisco, CA, USA; Berkeley, CA, USA	10	Alex Levy, Johan Mathe	Reveal
Avion	W20	Avion builds and operates autonomous eVTOL drones that deliver vital…	Active	San Francisco, CA, USA	—	Brook Ayalneh	Reveal
Avion	W20	Avion builds and operates autonomous eVTOL drones that deliver vital…	Active	San Francisco, CA, USA	—	Brook Ayalneh, Bitiya Samuel	Reveal
BeGo	W20	BeGo Connects cargo shippers with truck suppliers in Mexico and US	Active	San Francisco, CA, USA	65	Ivan Cardenas, Jasiel Cardenas	Reveal
BeGo	W20	BeGo Connects cargo shippers with truck suppliers in Mexico and US	Active	San Francisco, CA, USA	65	Ivan Cardenas, Jasiel Cardenas	Reveal
Candid Health	W20	The autonomous revenue cycle management platform.	Active	San Francisco, CA, USA	200	Nick Perry, Adam Reis	Reveal
Candid Health	W20	The revenue cycle automation platform.	Active	San Francisco, CA, USA	125	Nick Perry	Reveal
Chaos Genius	W20	DataOps Observability Platform for Snowflake	Acquired	San Francisco, CA, USA	10	Preeti Shrimal	Reveal
Cortex	W20	Cortex is the Internal Developer Portal eliminating “developer tax”…	Active	San Francisco, CA, USA; Remote	100	Ganesh Datta, Anish Dhar, Nikhil Unni	Reveal
Cron	W20	Next-generation calendar for professionals and teams	Acquired	San Francisco, CA, USA; Remote	3	Raphael Schaad	Reveal
Daedalus	W20	AWS for precision manufacturing	Active	San Francisco, CA, USA; Remote	7	Jonas Schneider	Reveal
Dashworks	W20	Your team's intelligent start page.	Acquired	San Francisco, CA, USA	9	Prasad Kawthekar, Praty Sharma	Reveal
Stardex	S21	AI native ATS + CRM for executive search firms	Active	San Francisco, CA, USA	6	Sanket Chauhan, Pranav Badami	Reveal
Storylane	S21	Build Interactive Product Demo in 10 mins for SaaS companies	Active	San Francisco, CA, USA	55	Akash Bansal, Nalin Senthamil	Reveal
Sully.ai	S21	Autonomous team of AI agents that runs the entire hospital operations	Active	San Francisco, CA, USA	49	Ahmed Omar, Ahmed Nasser	Reveal
Sully.ai	S21	Autonomous team of AI agents that runs the entire hospital operations	Active	San Francisco, CA, USA	49	Ahmed Omar, Ahmed Nasser	Reveal
Synder	S21	Easy accounting for e-commerce	Active	San Francisco, CA, USA	—	Michael Astreiko, Ilya Kisel	Reveal
Talentdrop	S21	Your personal hiring page.	Inactive	San Francisco, CA, USA; Atherton, CA, USA; Remote	3	Maddy Nguyen, Janelle Tiulentino	Reveal
Tavus	S21	Building the human layer of AI	Active	San Francisco, CA, USA	75	Hassaan Raza, Quinn Favret	Reveal
Tavus	S21	Building the human layer of AI	Active	San Francisco, CA, USA	40	Hassaan Raza, Quinn Favret	Reveal
Telivy	S21	Automate your cyber security risk assessments	Acquired	San Francisco, CA, USA	6	Naren Sathiya	Reveal
Telivy	S21	Automate your cyber security risk assessments	Acquired	San Francisco, CA, USA	6	Naren Sathiya, Ben Grosser	Reveal
Telmai	S21	Automated data observability and quality for Data Lake	Active	San Francisco, CA, USA	12	Mona Rakibe, Maxim Lukichev	Reveal
Telmai	S21	Automated data observability and quality for Data Lake	Active	San Francisco, CA, USA; Foster City, CA, USA; Remote	12	Mona Rakibe, Maxim Lukichev	Reveal
testRigor	S21	Executable specifications in English for test automation	Active	San Francisco, CA, USA; Remote	25	Artem Golubev, Enzo Biancato	Reveal
TrackChain	S21	AI-native logistics OS for autonomous freight execution	Active	San Francisco, CA, USA	20	Eduardo Narvaez, Hugo Alvarez	Reveal
Truss	S21	Banking for construction	Active	San Francisco, CA, USA	12	matthew smith, Matthew Smith	Reveal
Varos	S21	AI Business Analysts to gather requirements and optimize processes	Active	San Francisco, CA, USA	9	Yarden Shaked, Lior Chen, Gil Shaked	Reveal
Verano Health	S21	Nonprofit telehealth coaches for underserved Americans on Medicaid	Acquired	San Francisco, CA, USA; Remote	3	Karin Underwood, Bharat Kilaru	Reveal
Verano Health	S21	Nonprofit telehealth coaches for underserved Americans on Medicaid	Acquired	San Francisco, CA, USA	3	Karin Underwood, Bharat Kilaru	Reveal
Vogent	S21	Build Voice AI Agents	Active	San Francisco, CA, USA	3	Jagath Vytheeswaran, Vignesh Varadarajan	Reveal
WarpBuild	S21	Accelerate software development with WarpBuild's 10x faster CI infra.	Active	San Francisco, CA, USA	5	Surya Oruganti	Reveal
Waterplan	S21	Water risk mitigation for industrial sites	Active	San Francisco, CA, USA; Remote	20	Jose Ignacio Galindo, Nicolas Wertheimer	Reveal
Writesonic	S21	Track & Boost Your Brand’s Visibility in AI Search	Active	San Francisco, CA, USA; Remote	35	Samanyou Garg	Reveal
Zage	S21	Pay by bank and earn rewards	Inactive	San Francisco, CA, USA	10	Arsh Shah Dilbagi, Cole Bransford, Ryan Ozminkowski	Reveal
Zeit Medical	S21	Immediate stroke detection at home	Active	San Francisco, CA, USA; Redwood City, CA, USA	2	Orestis Vardoulis, Urs Naber	Reveal
Zensors	S21	AI to understand and automates the physical world	Active	San Francisco, CA, USA	12	Anuraag Jain	Reveal
Zensors	S21	AI to understand and automates the physical world	Active	San Francisco, CA, USA	12	Anuraag Jain	Reveal
Zuma	S21	We help businesses convert leads into sales in minutes using text	Active	San Francisco, CA, USA	30	Shiv Gettu, Kendrick Bradley	Reveal