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
Sonauto	W24	Create hit songs with AI	Active	San Francisco, CA, USA	4	Ryan Tremblay, Hayden Housen	Reveal
Sonia	W24	Validated mental health support in your pocket, anytime.	Active	San Francisco, CA, USA	7	Dustin Klebe, Lukas Wolf	Reveal
Speck	W24	AI Notetaker that automates all your admin work	Active	San Francisco, CA, USA	3	Raghav Pillai	Reveal
Stacksync	W24	Real-time and two-way sync between CRMs and Databases	Active	San Francisco, CA, USA	9	Ruben Burdin, Alexis Favre	Reveal
Stacksync	W24	Real-time and two-way sync between CRMs and Databases	Active	San Francisco, CA, USA	34	Ruben Burdin, Alexis Favre	Reveal
Superagent	W24	Security for AI-native developers	Active	San Francisco, CA, USA	2	Jordan Milkie, Alan Zabihi, Ismail Pelaseyed	Reveal
sync.	W24	AI lipsync tool for video content creators	Active	San Francisco, CA, USA	13	Prady Modukuru, Prajwal K R, Rudrabha Mukhopadhyay, Pavan Reddy	Reveal
Tamarind Bio	W24	AI Inference Platform for Drug Discovery	Active	San Francisco, CA, USA	20	Deniz Kavi, Sherry Liu	Reveal
Tesseral	W24	The open source platform for managing identity in business software	Inactive	San Francisco, CA, USA	5	Ned O'Leary, Ulysse Carion	Reveal
The New Money Company	W24	Invoicing that pays you even if your buyer doesn’t	Active	San Francisco, CA, USA; Remote	4	Derrick Wolbert, Reuben Balik, Q Carlson	Reveal
Thorntale	W24	The world's best presentation editor, powered by AI.	Inactive	San Francisco, CA, USA	2	Dori Wilson, Ellen Hui, John Stimac	Reveal
Toma	W24	AI for Underserved Industries	Active	San Francisco, CA, USA	20	Monik Pamecha, Anthony Krivonos	Reveal
Toma	W24	AI for Underserved Industries	Active	San Francisco, CA, USA	20	Monik Pamecha, Anthony Krivonos	Reveal
Trieve	W24	All-in-one API for search, RAG, & recommendations	Acquired	San Francisco, CA, USA	7	Nick Khami, Denzell Ford	Reveal
TrueClaim	W24	Transparent, AI-powered healthcare TPA.	Active	San Francisco, CA, USA	10	Barbora Howell, Bobby Bayer, Barbora P Howell	Reveal
TrueClaim	W24	Transparent, AI-powered healthcare TPA.	Active	San Francisco, CA, USA	8	Barbora Howell, Bobby Bayer	Reveal
Tusk	W24	AI agent that generates unit and integration tests	Acquired	San Francisco, CA, USA	4	Marcel Tan, Sohil Kshirsagar	Reveal
Ubicloud	W24	Open source alternative to AWS	Active	San Francisco, CA, USA	15	Umur Cubukcu, Ozgun Erdogan, Daniel Farina	Reveal
Velorum Therapeutics	W24	Breakthrough medicines unlocking the biology of heme	Active	San Francisco, CA, USA	5	Pouya Modareszadeh, Parsa Modareszadeh	Reveal
Velorum Therapeutics	W24	Breakthrough medicines unlocking the biology of heme	Active	San Francisco, CA, USA	5	Pouya Modareszadeh, Parsa Modareszadeh	Reveal
Verse Therapy	W24	Connecting All Ages with Speech Language Pathologists	Acquired	San Francisco, CA, USA	3	Adam Steinle, Danielle Yoesep, Shuying Zhang	Reveal
Vibrant Labs	W24	Autonomously scaling environments	Active	San Francisco, CA, USA; Remote	6	Jithin James, Shahul ES	Reveal
Vista Power	W24	Batteries and solar for $0 upfront to help businesses save money	Active	San Francisco, CA, USA	3	Maxim Kraft, Chaitanya Kore	Reveal
Wavelength	W24	Build Magical Customer Experiences	Active	San Francisco, CA, USA	3	Pranav Mallampalli, Deepali Jain	Reveal
Yoneda Labs	W24	Foundation Model for Chemical Manufacturing	Active	San Francisco, CA, USA	3	Michał Mgeładze-Arciuch, Jan Oboril, Daniel Vlasits	Reveal
Zep AI	W24	Agent Context Is Hard. We Fixed It.	Active	San Francisco, CA, USA	5	Daniel Chalef	Reveal
Zep AI	W24	Agent Context Is Hard. We Fixed It.	Active	San Francisco, CA, USA	5	Daniel Chalef	Reveal
1849 bio	S24	Engineering microbes for miners to unlock billions in trapped metal	Active	San Francisco, CA, USA	3	Jai Padmakumar, Yongjin Park	Reveal
1849 bio	S24	Engineering microbes for miners to unlock billions in trapped metal	Active	San Francisco, CA, USA	3	Jai Padmakumar, Yongjin Park	Reveal
Abel Police	S24	Automating police paperwork	Active	San Francisco, CA, USA	5	Daniel Francis	Reveal
Affil.ai	S24	AI Affiliate Network For Financial Companies	Active	San Francisco, CA, USA	4	John Ta, Vivek Olumbe	Reveal
&AI	S24	Collaborative workspace for patent litigators	Active	San Francisco, CA, USA	13	Caleb Harris, Herbert Turner	Reveal
&AI	S24	Collaborative workspace for patent litigators	Active	San Francisco, CA, USA	7	Caleb Harris, Herbert Turner	Reveal
Aluna	S24	Data for biomedical AI	Active	San Francisco, CA, USA	3	David Chu	Reveal
AminoAnalytica	S24	The AI-Native Operating System for Protein Engineering	Active	San Francisco, CA, USA	2	Abhi Rajendran, Adam Wu	Reveal
Anara	S24	AI for researchers	Active	San Francisco, CA, USA	5	Naveed Janmohamed	Reveal
Anglera	S24	AI-Powered Product Data Enrichment	Active	San Francisco, CA, USA	5	Amay Aggarwal, Ray Iyer	Reveal
Ångström AI	S24	Gen AI molecular simulations that reproduce wetlab results	Active	San Francisco, CA, USA	5	Javier Antoran, Jose Miguel Hernandez Lobato, Laurence Midgley	Reveal
Ångström AI	S24	Gen AI molecular simulations that reproduce wetlab results	Active	San Francisco, CA, USA	5	Jose Miguel Hernandez Lobato, Laurence Midgley, Javier Antoran	Reveal
Anthrogen	S24	We're training the next generation of protein foundation models.	Active	San Francisco, CA, USA	6	Ankit Singhal, Connor Lee	Reveal
Apten	S24	Omnichannel AI agents that engage leads across SMS, voice, and email	Active	San Francisco, CA, USA	6	Daniel Ho, Roshan Kumaraswamy	Reveal
Apten	S24	Omnichannel AI agents that engage leads across SMS, voice, and email	Active	San Francisco, CA, USA	3	Daniel Ho, Roshan Kumaraswamy	Reveal
Assembly HOA	S24	AI-native HOA Management Company	Active	San Francisco, CA, USA	12	Allen Liou, Shreyas Bharadwaj	Reveal
AutoPallet Robotics	S24	We make robots that move boxes in warehouses	Active	San Francisco, CA, USA	6	Nathan Yee, Eric Miller	Reveal
Autumn Labs	S24	Datadog for industrial robots	Active	San Francisco, CA, USA	3	Prathik Muppidi, Harsh Bhatt, Sam Monga	Reveal
Autumn Labs	S24	Datadog for industrial robots	Active	San Francisco, CA, USA	3	Prathik Muppidi, Harsh Bhatt, Sam Monga	Reveal
Azalea Robotics Corporation	S24	Automating airport baggage handling with robots.	Active	San Francisco, CA, USA	—	David Millard, John B. Stroud	Reveal
Baseline AI	S24	AI document creation and data management for clinical trials	Active	San Francisco, CA, USA	2	Zoe Sheill, Nabil Baugher	Reveal
Baseline AI	S24	AI document creation and data management for clinical trials	Inactive	San Francisco, CA, USA	2	Zoe Sheill, Nabil Baugher	Reveal
Benchify	S24	Executable healthcare contracts	Active	San Francisco, CA, USA	4	Juan Castaño, Max von Hippel	Reveal