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

Location

YC Company Directory

50 companies

Export All

Company	Batch	Description	Status	Location	Team	Founders	Reveal
Metis	S25	Infrastructure to build reliable agents	Acquired	San Francisco, CA, USA; Remote	13	Aryan Shah, Aayush Sheth, Marcus Yearwood	Reveal
Modelence	S25	Build production-ready apps with AI	Active	San Francisco, CA, USA; Remote	3	Aram Shatakhtsyan, Eduard Piliposyan	Reveal
Monarcha	S25	Turn maps into data	Active	San Francisco, CA, USA	2	James Spokes, Everett Lee	Reveal
Monte	S25	Continual Learning for Agents	Active	San Francisco, CA, USA	3	Henry Bae, Alex Fleury, Jamin Liu	Reveal
Nautilus	S25	AI platform to grow and to optimize car washes	Active	San Francisco, CA, USA	4	Amayr Babar, Ali Sareini	Reveal
Nexa Labs	S25	Implantable microchips and AI for cattle monitoring	Acquired	San Francisco, CA, USA	3	Zarif Azher, Kenneth Chan, Alvin Zhang	Reveal
Nixo	S25	Make every FDE on your team capable of moving any account forward.	Active	San Francisco, CA, USA	6	Priya Khandelwal, Priti Rangnekar	Reveal
Normal	S25	Deploying and integrating useful robots	Active	San Francisco, CA, USA	2	Anson Yu, Hudhayfa Nazoordeen	Reveal
Normal	S25	Testing and certifying the hardware of the future	Active	San Francisco, CA, USA	2	Anson Yu, Hudhayfa Nazoordeen	Reveal
NOSO LABS	S25	Build AI agents for field technicians to diagnose and sell 10x better	Active	San Francisco, CA, USA	6	Winston Chi, Alex Xi	Reveal
Notte	S25	Reliable Web Agents for Enterprise	Active	San Francisco, CA, USA	5	Andrea Pinto, Lucas Giordano	Reveal
Notte	S25	Reliable Web Agents for Enterprise	Active	San Francisco, CA, USA	5	Andrea Pinto, Lucas Giordano	Reveal
Novaflow	S25	The AI data analyst for biology labs	Active	San Francisco, CA, USA	2	Aman Agarwal, Amulya Balakrishnan	Reveal
Novaflow	S25	The AI data analyst for biology labs	Active	San Francisco, CA, USA	5	Aman Agarwal, Amulya Balakrishnan	Reveal
Nozomio	S25	product lab. focused on personal ai and context.	Active	San Francisco, CA, USA	3	Arlan Rakhmetzhanov	Reveal
Nuntius	S25	Making Models Follow Rules.	Inactive	San Francisco, CA, USA	2	Abhijay Rana	Reveal
Okibi	S25	Turns products into CLIs and agents into customers	Active	San Francisco, CA, USA	2	Mahyad Ghassemi, Saurav Mitra, Mahyad Ghassemibouyaghchi	Reveal
Omnara	S25	The Open-Source Alternative to Claude Managed Agents	Active	San Francisco, CA, USA	4	Ishaan Sehgal, Kartik Sarangmath	Reveal
Opennote	S25	The notebook that thinks with you.	Acquired	San Francisco, CA, USA	3	Rishi Srihari, Abhi Arya, Vedant Vyas	Reveal
Orange Slice	S25	Agentic sales enrichment spreadsheet	Active	San Francisco, CA, USA	2	Vihaar Nandigala, Kishan Sripada	Reveal
Outrove	S25	Synthetic populations for decisions	Active	San Francisco, CA, USA	2	Ahmed ElShireef, Saif Elhager	Reveal
Outrove	S25	Ultra-realistic AI Recruiter	Active	San Francisco, CA, USA	2	Ahmed ElShireef, Saif Elhager	Reveal
Pally	S25	Your personal AI Assistant	Active	San Francisco, CA, USA	2	Haz Hubble, Wyatt Lansford	Reveal
Paloma	S25	Digital transformation for real economy businesses	Active	San Francisco, CA, USA	3	Nazli Danis, Alex Avnit	Reveal
Panels	S25	Audio Data for AI Labs	Active	San Francisco, CA, USA	2	Aaron Wenk, Jason Le	Reveal
Panels	S25	Audio Data for AI Labs	Active	San Francisco, CA, USA	1	Aaron Wenk	Reveal
Pangolin	S25	Identity-aware VPN and proxy for remote access to anything, anywhere.	Active	San Francisco, CA, USA	2	Milo Schwartz, Owen Schwartz	Reveal
Panoptive	S25	The continuous oversight engine for clinical trials	Active	San Francisco, CA, USA	2	Youssef Kallel	Reveal
PARES AI	S25	Helping commercial real estate brokers find and close more deals.	Active	San Francisco, CA, USA	3	Zihao Wang	Reveal
Phases	S25	Automated clinical trial oversight and execution	Active	San Francisco, CA, USA	3	James Wall, Anton Zaliznyi, Jonathan van Wersch	Reveal
Playgent	S25	Sandboxes for AI agents	Active	San Francisco, CA, USA	2	Aniruddh Sriram, Neer Jain	Reveal
Pond	S25	Superhuman for text messages	Active	San Francisco, CA, USA	2	Aagam Dalal, Brian Williams	Reveal
ProcIndex	S25	AI-powered accounting automation for construction and manufacturing	Active	San Francisco, CA, USA	4	Neha Suresh, Akash Thakur	Reveal
Proliferate	S25	The autonomous engineering organization	Active	San Francisco, CA, USA	2	Pablo Hansen	Reveal
Qualify.bot	S25	AI phone agents for Commercial Lending	Active	San Francisco, CA, USA	2	Rohan Datta, Yash Goenka	Reveal
Reacher	S25	We automate creator marketing for the world's largest brands	Active	San Francisco, CA, USA; Remote	10	Jerry Qian, Bora Mutluoglu	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
Risely AI	S25	AI agents that automate administrative work across college campuses.	Active	San Francisco, CA, USA	8	Shahryar Abbasi, Sadia Saifuddin	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	Narrative intelligence for 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
SigmanticAI	S25	The Cursor for Chip Design - Delivering Silicon-Ready Chip Designs…	Active	San Francisco, CA, USA	2	Rohil Khare, Tamzid Razzaque	Reveal
Sira	S25	AI Native Rippling for Deskless Workers	Active	San Francisco, CA, USA	4	Nathan Belaye, Antonio Chan	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
Socratix AI	S25	AI coworkers for fraud and compliance teams.	Active	San Francisco, CA, USA	4	Riya Jagetia, Satya Vasanth Tumati	Reveal
Spotlight Realty	S25	AI powered brokerage reducing residential rental commissions in NYC…	Active	San Francisco, CA, USA	4	Raymond Allie, Jake Phelan, Aryan Sharma	Reveal