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
Emdash	W26	Open-source Agentic Development Environment	Active	San Francisco, CA, USA	2	Raban von Spiegel, Arne Strickmann	Reveal
Envariant	W26	Interpretability and reasoning infra for foundation models.	Active	San Francisco, CA, USA	1	Varun Agarwal	Reveal
Eos AI	W26	Autonomous OS for healthcare	Active	San Francisco, CA, USA	2	Arya Khokhar	Reveal
Fed10	W26	AI Agents for Government Affairs	Active	San Francisco, CA, USA	3	Armand Iorgulescu, Zayan Islam, Winston Wei	Reveal
Fed10	W26	AI agents that replace your policy consultants	Active	San Francisco, CA, USA	3	Armand Iorgulescu, Zayan Islam, Winston Wei	Reveal
Fenrock AI	W26	AI agents for banks	Active	San Francisco, CA, USA	2	Charu Sharma, Michael M	Reveal
Foreman	W26	Keeping contractors on the job site, not behind a desk.	Active	San Francisco, CA, USA	2	Nolan Rossi	Reveal
Fort	W26	Strength Tracking Wearable	Active	San Francisco, CA, USA	4	Miranda Nover, Paul Schneider, Zac Valles	Reveal
Forum	W26	The first regulated exchange to trade on attention.	Active	San Francisco, CA, USA	2	Owen Botkin, Joseph Thomas	Reveal
Galactic Resource Utilization Space, Inc. (GRU Space)	W26	Building the First Hotel on the Moon	Active	San Francisco, CA, USA	2	Skyler Chan	Reveal
Glue	W26	Evals for frontier research agents	Active	San Francisco, CA, USA	1	Perbhat Kumar	Reveal
Grade	W26	API for performance-based payroll	Active	San Francisco, CA, USA	2	Lotanna Ezeike, James Heaney	Reveal
GrazeMate	W26	Robot Cowboys that Herd Cattle with AI Drones	Active	San Francisco, CA, USA	4	Sam Rogers	Reveal
Haladir	W26	AI-Enabled Mainframe Modernization and Code Translation.	Active	San Francisco, CA, USA	4	Jibran Hutchins, Quan Huynh, Preston Schmittou, Joseph Tso	Reveal
Haladir	W26	Operational Superintelligence for Global Logistics	Active	San Francisco, CA, USA	4	Jibran Hutchins, Quan Huynh, Preston Schmittou, Joseph Tso	Reveal
Hex Security	W26	Agentic Offensive Security at Scale	Active	San Francisco, CA, USA	3	Huzaifa Ahmad, Ahmad Khan, Prama Yudhistira	Reveal
Human Archive	W26	Physical AI data lab	Active	San Francisco, CA, USA	100	Raj Patel, Rushil Agarwal, Samay Maini, Shloke Patel	Reveal
Human Archive	W26	Multimodal data provider for robotics learning	Active	San Francisco, CA, USA	4	Rushil Agarwal, Samay Maini, Raj Patel, Shloke Patel	Reveal
IncidentFox	W26	AI SRE agent that triages, coordinates, and fixes production incidents	Active	San Francisco, CA, USA	2	Jimmy Wei, Long Yi	Reveal
InventoryQuant	W26	We automate the inventory process in insurance	Active	San Francisco, CA, USA	1	Sander Schulhoff	Reveal
Kita	W26	Automate credit assessment for lenders in emerging markets	Active	San Francisco, CA, USA	3	Carmel Limcaoco, Rhea Malhotra	Reveal
Kita	W26	Turn documents into signals for lenders	Active	San Francisco, CA, USA	2	Carmel Limcaoco, Rhea Malhotra	Reveal
Klaus AI	W26	Fast and Safe OpenClaw on the cloud	Active	San Francisco, CA, USA	2	Robbie Thompson, Bailey Wickham	Reveal
Lance	W26	Your Hotel's Best Employees	Active	San Francisco, CA, USA	3	Gavin Brennen, Caleb Chan, Gatik Trivedi	Reveal
Lance	W26	AI Agents That Run Hotel Operations.	Active	San Francisco, CA, USA	10	Caleb Chan, Gavin Brennen, Gatik Trivedi	Reveal
LegalOS	W26	The AI-powered law firm for complex work visas	Active	San Francisco, CA, USA	3	Matthew Asir, Rachel Asir, Claire Jutabha	Reveal
LegalOS	W26	The AI-Native Immigration Law Firm	Active	San Francisco, CA, USA; Remote	3	Matthew Asir, Rachel Asir, Claire Jutabha	Reveal
Lexius	W26	AI Crime Detection	Active	San Francisco, CA, USA	3	David Elskamp, Liam Webster	Reveal
Lexius	W26	AI for Corporate Security Cameras	Active	San Francisco, CA, USA	3	David Elskamp, Liam Webster	Reveal
Lucent	W26	AI that automatically improves products from user behavior	Active	San Francisco, CA, USA	2	Alisa Rae	Reveal
Luel	W26	Turning everyday words and actions into usable training data.	Active	San Francisco, CA, USA	12	William Namgyal, Inigo Lenderking	Reveal
Martini	W26	AI Video Production for Professionals	Active	San Francisco, CA, USA	2	Koh Terai, Long Hoang	Reveal
Maven	W26	Payments Infrastructure for Voice Agents	Active	San Francisco, CA, USA	2	Brandon Boehme, Wasi Ahmed	Reveal
Mendral	W26	AI DevOps Engineer	Inactive	San Francisco, CA, USA	2	Sam Alba, Andrea Luzzardi	Reveal
MochaCare	W26	Agentic Management Service for Care Organizations	Active	San Francisco, CA, USA	2	Nicolas Walker, Pranav Uppiliappan, Nick Walker	Reveal
Moda	W26	Sentry for AI.	Active	San Francisco, CA, USA	2	Mohammed Al-Rasheed, Pranav Bedi	Reveal
One Robot	W26	World models for robot evals and training.	Active	San Francisco, CA, USA	2	Hemanth Sarabu, Elton Shon	Reveal
Opalite Health	W26	Helping Healthcare Providers Speak Any Language	Active	San Francisco, CA, USA	3	Cathleen Kuo, Alex Mehregan	Reveal
Origami Robotics	W26	Manipulate Anything Robot	Active	San Francisco, CA, USA	5	Quanting(Daniel) xie, Ryan Xie, Quanting xie	Reveal
Origin	W26	AI and Data for Cancer Therapeutics	Active	San Francisco, CA, USA	4	Yash Rathod, Malhar Bhide	Reveal
Orthogonal	W26	Agentic Payments for APIs	Active	San Francisco, CA, USA	2	Christian Pickett, Bera Sogut	Reveal
Ossus	W26	Intelligence for cultural institutions	Active	San Francisco, CA, USA	3	Jonathan Görtz, Carl-Hugo Jacobsson, Kaan Sirin	Reveal
Overshoot	W26	AI Infra for real-time vision applications	Active	San Francisco, CA, USA	5	Zakaria El hjouji, Younes El hjouji, Younes El hjouji	Reveal
Oximy	W26	Take command of the AI your company already runs on.	Active	San Francisco, CA, USA	8	Naman Ambavi	Reveal
Oxus	W26	AI-powered automation for internal audit workflows	Active	San Francisco, CA, USA	3	Janet Liu, Melinda Liu, Christine Watts	Reveal
Panta	W26	Commercial insurance brokerage run by AI agents. Scales like software.	Active	San Francisco, CA, USA	4	Vincent Chen, Frank Wang	Reveal
Pax Historia	W26	The first AI-powered grand strategy platform	Active	San Francisco, CA, USA	3	Eli Bullock-Papa, Ryan Zhang	Reveal
Pax Historia	W26	The first AI-powered worldbuilding and gameplay platform	Active	San Francisco, CA, USA	6	Eli Bullock-Papa, Ryan Zhang, Eli Bulllock	Reveal
Payna	W26	AI Licensing Agent for Regulated Industries	Active	San Francisco, CA, USA	2	Aaron Chen, He Song	Reveal
Perfectly	W26	The AI-native Recruiting OS	Active	San Francisco, CA, USA	4	Victor Luo, Zhuang (Gary) Luo, Huimin Xie	Reveal