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

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
RealRoots	S25	AI social app for women	Active	San Francisco, CA, USA	7	Dorothy Li, Tara Kappel	Reveal
Relling	S25	RL and Data Infrastructure for Robotics & World Models	Active	San Francisco, CA, USA	—	Jai Relan, Anya Singh	Reveal
Rid	S25	Sell with a text.	Active	San Francisco, CA, USA	2	Benedikt Stroebl, Veniamin Veselovsky	Reveal
Riverbank	S25	AI-native Red Teaming and Offensive Security	Active	San Francisco, CA, USA	1	Carter Pry	Reveal
Sagekit	S25	AI workspace for research and writing	Active	San Francisco, CA, USA	2	Tom Greenwald, Anders Lie	Reveal
Serafis	S25	The AI knowledge graph for institutional investors	Active	San Francisco, CA, USA	4	Rohan Sharma	Reveal
Shor	S25	The fastest, most affordable payroll for global teams	Active	San Francisco, CA, USA	4	Daivik Goel, Avi Konduru	Reveal
Skope	S25	Build a more profitable law firm with AI.	Active	San Francisco, CA, USA	2	Ben Smith, Connor Park	Reveal
Slashy	S25	Cursor for Email	Active	San Francisco, CA, USA	3	Pranjali Awasthi, Harsha Gaddipati, Dhruv Roongta	Reveal
Stellon Labs	S25	Building tiny frontier AI models that run on edge devices	Active	San Francisco, CA, USA	2	Rohan Joshi, Divam Gupta	Reveal
Stockline	S25	AI-native ERP for food wholesalers	Active	San Francisco, CA, USA	2	Mariem Ould Ismail, Moncef DJAFRI	Reveal
Stormy AI	S25	Al platform that makes social marketing as easy as running a Google…	Active	San Francisco, CA, USA	5	Robert Lukoszko	Reveal
Synthetic Society	S25	Synthetic Users to Simulate Real Users	Active	San Francisco, CA, USA	2	Kavan Doctor, Aaron Chew	Reveal
TectoAI	S25	A Platform for AI Governance	Active	San Francisco, CA, USA	2	Niosha Afsharikia, PhD, Roksana Baleshzar	Reveal
Tesora	S25	AI-Native Software for Operations and Finance Teams	Active	San Francisco, CA, USA	2	Vivek Rao, Federico Reyes Gomez	Reveal
truthsystems	S25	Automatically blocking risky behavior with real-time governance agents	Active	San Francisco, CA, USA	3	Alex Mac, Nam Nguyen	Reveal
Veritus	S25	AI agents for the consumer lending industry	Active	San Francisco, CA, USA	10	Joshua March, David Schlesinger, Joseph Stein	Reveal
Verne Robotics	S25	AI models that teach robots new skills in hours	Active	San Francisco, CA, USA	4	Neil Nie, Aditya Jha	Reveal
Wafer	S25	AI that makes AI fast	Active	San Francisco, CA, USA	4	Emilio Andere, Steven Arellano	Reveal
Wedge	S25	Palantir for Healthcare AI Agents	Active	San Francisco, CA, USA	2	Devraj Gopal, Steven Segawa	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
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
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
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	3	Daniel Ho, Roshan Kumaraswamy	Reveal
Assembly HOA	S24	AI-enabled HOA Management Company	Active	San Francisco, CA, USA	9	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
Baseline AI	S24	AI document creation and data management for clinical trials	Active	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
Biocartesian	S24	Converting biology into digital molecular maps	Active	San Francisco, CA, USA	2	Ian Dardani, Jess Li	Reveal
BrowserOS	S24	The Open Source Agentic Browser	Active	San Francisco, CA, USA	4	Nithin Sonti, Nikhil Sonti	Reveal
Callback	S24	AI-native business process outsourcing	Active	San Francisco, CA, USA	2	Alan Xie, Paulo Bautista	Reveal
camfer	S24	Building the world’s first AI mechanical engineer.	Active	San Francisco, CA, USA	4	Arya Bastani, Keaton Elvins, Roth Vann	Reveal
Cartage	S24	Autonomous freight coordination	Active	San Francisco, CA, USA	12	Abdul Basharat, Josh Lampen	Reveal
Central	S24	Payroll, benefits, state compliance & other bullsh*t for startups	Active	San Francisco, CA, USA	15	Josh Wymer, Pranav Kashyap, Nilay Modi	Reveal
Central	S24	Payroll, benefits, state compliance & other bullsh*t for startups	Active	San Francisco, CA, USA	15	Josh Wymer, Pranav Kashyap, Nilay Modi	Reveal
Cheers	S24	Win local search on ChatGPT & other LLMs	Active	San Francisco, CA, USA	2	Dylan Allen-Arnegard	Reveal
Cloudglue	S24	Developer APIs to let your AI/LLM understand videos and audio.	Active	San Francisco, CA, USA	3	Amy Xiao	Reveal
CodeViz	S24	One living model of your software architecture	Active	San Francisco, CA, USA	2	Will McCall	Reveal
Comfy Deploy	S24	ComfyUI for everyone on your team	Active	San Francisco, CA, USA	3	Nicholas Kao, Benny Kok	Reveal
Conductor	S24	Run a team of coding agents on your Mac	Active	San Francisco, CA, USA	4	Charlie Holtz, Jackson de Campos	Reveal
Conductor Quantum	S24	Quantum computers on silicon chips using AI.	Active	San Francisco, CA, USA	3	Brandon Severin, Joel Pendleton	Reveal
Corgi Insurance	S24	Corgi is building an AI financial infrastructure company	Active	San Francisco, CA, USA	70	Nico Laqua, Emily Yuan	Reveal
CreativeMode	S24	Lovable for Minecraft mods	Active	San Francisco, CA, USA	5	Wilson Spearman, Coleman Smith, Jeffrey Tsaw	Reveal