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
Rankai	S23	AI-Native Agency for Organic Growth (SEO & GEO)	Active	San Francisco, CA, USA	4	Dyllan Liu, Hugo (Kanghong) Zhan	Reveal
Read Bean	S23	Learn language with real-world content, at your level	Active	San Francisco, CA, USA	3	Maggie Zhang, Pearl Li, Savannah Liu	Reveal
Readily	S23	AI Compliance Platform for Healthcare Organizations	Active	San Francisco, CA, USA	8	Edward Tiong, Wei An Wang	Reveal
refine	S23	Open-source Retool for enterprise	Active	San Francisco, CA, USA	10	Civan Ozseyhan, Omer Aplak, Eren Erkalkan	Reveal
Repaint	S23	Build a website by chatting with AI	Active	San Francisco, CA, USA	2	Ben Shumaker, Izak Fritz	Reveal
Respaid	S23	Respectful B2B Debt Collection, Powered by AI	Active	San Francisco, CA, USA	42	John Banner	Reveal
Reworkd	S23	The simplest way to extract web data at scale	Active	San Francisco, CA, USA	6	Srijan Subedi	Reveal
Roame	S23	Flight search engine using credit card points and miles	Active	San Francisco, CA, USA	2	Tim Qin, Zi Liu	Reveal
Roundtable	S23	Proof of Human - invisible human verification	Active	San Francisco, CA, USA	4	Mayank Agrawal, Matt Hardy	Reveal
SafetyKit	S23	AI agents for risk, compliance, and safety	Active	San Francisco, CA, USA	10	David Graunke, Steven Guichard	Reveal
Serra	S23	Your 24/7 AI Recruiter	Active	San Francisco, CA, USA	8	Alan Wang, Albert Stanley	Reveal
Shasta Health	S23	AI calling & browser agents for healthcare	Active	San Francisco, CA, USA	2	Srinjoy Majumdar, Pransu Dash	Reveal
SID	S23	AI research lab for retrieval	Active	San Francisco, CA, USA	4	Maximilian-David Rumpf, Lotte Seifert	Reveal
Sidenote	S23	Meeting follow-up, automated	Inactive	San Francisco, CA, USA	3	Jason Lin, Scott Hickmann, Schwinn Saereesitthipitak	Reveal
sizeless	S23	Instant 3D Digital Twins for Smarter Real Estate.	Active	San Francisco, CA, USA	3	Roger de Belsunce, Cornelius von Einem	Reveal
Skyvern	S23	Open Source AI Agent to automate browser workflows via an API	Active	San Francisco, CA, USA	6	Suchintan Singh, Shuchang Zheng	Reveal
Spine AI	S23	Manage a swarm of AI agents to get real work done	Active	San Francisco, CA, USA	7	Akshay Budhkar, Ashwin Venkatesh Raman	Reveal
Studdy	S23	An AI math tutor for every student	Active	San Francisco, CA, USA	4	Michael Lam, Alex Lanzoni	Reveal
Surface Labs	S23	Building the AI-powered marketing ops platform that turns website…	Active	San Francisco, CA, USA	6	Saharsh Agrawal, Arjun Sahai	Reveal
Sweep	S23	The best AI coding assistant for JetBrains	Active	San Francisco, CA, USA	4	William Zeng, Kevin Lu	Reveal
Sweep	S23	The best AI coding assistant for JetBrains	Active	San Francisco, CA, USA	4	William Zeng, Kevin Lu	Reveal
Taylor AI	S23	Unified Platform for Text Enrichment	Active	San Francisco, CA, USA	2	Brian Kim, Benjamin Anderson	Reveal
Trainy	S23	Infrastructure for managing GPU clusters for training/serving.	Active	San Francisco, CA, USA	3	Roanak Baviskar, Andrew Aikawa	Reveal
Twenty	S23	Open Source CRM	Active	San Francisco, CA, USA	10	Félix Malfait, Charles Bochet, Thomas des Francs	Reveal
Twine	S23	AI text message receptionist for SMBs	Active	San Francisco, CA, USA	3	Anand Valavalkar, Omar Imtiaz	Reveal
Waldium	S23	The publishing layer for the AI-native web	Active	San Francisco, CA, USA	5	Amrutha Gujjar, Shivam Singhal	Reveal
Webhound	S23	Long-horizon research agents	Active	San Francisco, CA, USA	2	Moe Khalil	Reveal
Zelos Cloud	S23	The Data Platform for Mission‑Critical Systems	Active	San Francisco, CA, USA	3	Michael Jaradah, Taylor Keairns	Reveal
Activepieces	S22	Open-source, AI-first and no-code business automation tool	Active	San Francisco, CA, USA	10	Ashraf Samhouri, Mohammad AbuAboud	Reveal
Airtrain AI	S22	No-code data curation for LLM fine-tuning and evaluation.	Inactive	San Francisco, CA, USA	5	Emmanuel Turlay	Reveal
Argovox	S22	Voice AI agents for patient billing and collections	Inactive	San Francisco, CA, USA	3	Noe Branagan, Luis Pellerano	Reveal
Artemis Search	S22	A search technology that actually finds what you’re looking for.	Active	San Francisco, CA, USA	3	Austin McCoy, Manvir Singh	Reveal
Atonomo	S22	Autonomous conversion rate optimization for startups	Active	San Francisco, CA, USA	2	Michael Egan, Brendan Ashworth	Reveal
Banabo	S22	ML Marketing Infrastructure	Active	San Francisco, CA, USA	2	Colin Snyder	Reveal
BiggerPicture	S22	Scheduling automation platform between trucking and warehousing	Active	San Francisco, CA, USA	5	Deema Adada, Guillaume Lo Re	Reveal
Blitz	S22	Lovable for non-tech users: Build no-code internal and customer apps	Active	San Francisco, CA, USA	4	Loic Veillard	Reveal
BlueHill Payments	S22	Expanding Payment Flexibility and Lowering Rates for Merchants	Active	San Francisco, CA, USA	2	Himanshu Minocha, Rohan Minocha	Reveal
Boundo	S22	Using generative AI to 10x outbound sales, all on autopilot!	Active	San Francisco, CA, USA	2	Simar Kohli, Samik Shrotriya	Reveal
Cambio	S22	AI-native commercial real estate operations	Active	San Francisco, CA, USA	60	Leia de Guzman, Stephanie Grayson	Reveal
CAPSULE	S22	Buy anything you find on social media	Inactive	San Francisco, CA, USA	4	Michele Van Ruiten, Kelsey Pedersen	Reveal
Champ	S22	Top of B2B sales funnel on autopilot, by Champ AI SDR	Active	San Francisco, CA, USA	5	Matt Sun, Daniel Wasserlauf	Reveal
Ciro	S22	Build the perfect prospect list in <5min with AI	Active	San Francisco, CA, USA	5	Ross Geiger, Richard Lee, David Winer	Reveal
Cobbery	S22	Enabling discovery to be done entirely in-house	Active	San Francisco, CA, USA	4	Dan Goodman, Alex Pickett	Reveal
Coris	S22	AI risk and ops platform for Payment Processors, Banks, SaaS…	Active	San Francisco, CA, USA	10	Vinodh Poyyapakkam, Shyam Maddali	Reveal
Delfino AI	S22	Generative AI for administrative automation in healthcare	Active	San Francisco, CA, USA	2	Sneh Patel, Kimberly McManus	Reveal
Denormalized	S22	serverless platform for real-time data	Inactive	San Francisco, CA, USA	2	Amey Chaugule, Matt Green	Reveal
Dev Tools AI	S22	AI powered web & mobile automation	Inactive	San Francisco, CA, USA	2	Chris Navrides, Etienne DEGUINE	Reveal
Diversion	S22	A scalable, cloud-native Perforce and Git alternative	Active	San Francisco, CA, USA	14	Sasha Medvedovsky	Reveal
Dr. Treat	S22	“One Medical for pets.”	Active	San Francisco, CA, USA	21	Rakesh Tondon, Hetal Shah, charlie bowman	Reveal
Entvin	S22	—	Active	San Francisco, CA, USA	5	Sanskar Jain, Hemant Phalak	Reveal