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Active YC Companies

5,056 Y Combinator companies with active status. Browse founder contacts, batch info, and company data.

5,056

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YC Company Directory

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Nitrode	W25	AI game development engine & platform	Active	—	4	Ben Kim, Sejoon Chang, Brian La	Reveal
Oki	W25	Personalized Updates on Company Progress	Active	San Francisco, CA, USA	2	Luofei Chen, Aayush Tyagi	Reveal
Olive	W25	Curated stories, every day	Active	San Francisco, CA, USA	2	Bardia Safari, Shrey Gupta	Reveal
Onlook	W25	Cursor for Designers	Active	San Francisco, CA, USA	4	Daniel Farrell	Reveal
OpenIntake	W25	The AI Front Door For Law Firms	Active	New York City, NY, USA	2	Yash Sahota, Grayson Pike	Reveal
OpenIntake	W25	The AI Front Door For Law Firms	Active	New York, NY, USA	2	Yash Sahota, Grayson Pike	Reveal
Operand	W25	—	Active	San Francisco, CA, USA	8	Ram Gorthi, Akhil Iyengar, Arjun Sahney	Reveal
Operand	W25	AI to run Business Strategy	Active	San Francisco, CA, USA	5	Ram Gorthi, Akhil Iyengar, Arjun Sahney	Reveal
Optifye.ai	W25	AI performance monitoring for factory workers	Active	San Francisco, CA, USA	8	Vivaan Baid, Kushal Mohta	Reveal
Optifye.ai	W25	AI performance monitoring for factory workers	Active	San Francisco, CA, USA	3	Vivaan Baid, Kushal Mohta	Reveal
Orbital Operations	W25	High Thrust Space Vehicles for Satellite Defense	Active	Los Angeles, CA, USA	10	Ben Schleuniger, Ross Doherty	Reveal
Orbital Operations	W25	High Thrust Space Vehicles for Satellite Defense	Active	—	2	Ben Schleuniger, Ross Doherty	Reveal
Orchids	W25	AI App Builder	Active	—	6	Kevin Lu, Bach Tran	Reveal
Osmosis	W25	Reinforcement Learning (RL) for AI Agents	Active	San Francisco, CA, USA	6	Kasey Zhang, Andy Lyu	Reveal
Outlit	W25	Retain and Grow Every Customer	Active	San Francisco, CA, USA	3	Josh Earle, Leo Paz	Reveal
Outship	W25	Hire amazing engineers by seeing how they use AI	Active	San Francisco, CA, USA	3	Saner Cakir, Kayla Lee	Reveal
Overstand Labs	W25	Navigate any set of data - no matter how large - in minutes.	Active	New York City, NY, USA	4	Mihir Patil, Derrick Cheng	Reveal
Ovlo	W25	Founder led hiring for London startups	Active	Dubai, Dubai, United Arab Emirates	2	Andrew Malouf, Amer Eid	Reveal
Paratus Health	W25	Medical Voice Agents for Patient Management	Active	Menlo Park, CA, USA	6	Pablo Bermudez-Canete, Tannen Hall	Reveal
Pave Robotics	W25	Robots that repair roads	Active	San Francisco, CA, USA	3	Josh Kelly, Mason Landon Smith	Reveal
PAX Markets	W25	More 𝛼, less latency: exchange and HFT on one chip.	Active	San Francisco, CA, USA	6	Pete Stevenson, Benjamin Kilimnik	Reveal
Peppr AI	W25	Self-improving knowledge base synthesizing scattered company data	Active	—	4	Sachitt Arora, Nitya Arora	Reveal
Permitify	W25	AI co-pilot for building plan review and building code compliance	Active	Salt Lake City, UT, USA	2	Adam Chandler	Reveal
Pickle	W25	Where your life context becomes understanding.	Active	San Francisco, CA, USA	15	Daniel Park, Sanio Jung, Emmett Kim, Hojin Yu, Brian McMahon	Reveal
Pickle	W25	Where your life context becomes understanding.	Active	San Francisco, CA, USA	15	Daniel Park, Sanio Jung, Emmett Kim, Ho Jin Yu	Reveal
Pinch	W25	Real-time AI Voice Translation for Developers	Active	VC, Spain; Remote	3	Christian Safka	Reveal
Pluto	W25	Regulated derivatives exchange	Active	New York, NY, USA	5	Ronit Jain, Aarav Patel	Reveal
Praxim	W25	The agentic AI Word editor	Active	San Francisco, CA, USA	2	Richie Hsiung, Frank Li	Reveal
Praxim	W25	The agentic AI Word editor	Active	San Francisco, CA, USA	2	Richie Hsiung, Frank Li	Reveal
Proception Inc	W25	Making humanoids dexterous enough to thread a needle	Active	San Francisco, CA, USA	10	Jay Li, Jack Xu	Reveal
Promptless	W25	An AI teammate that automatically updates your customer-facing docs	Active	San Francisco, CA, USA	5	Prithvi Ramakrishnan, Frances Liu	Reveal
Quantstruct	W25	AI documentation engineer – test & autoimprove stale product docs	Active	San Francisco, CA, USA	2	Sarthak Srinivas, Newman Hu	Reveal
Rally	W25	Financial OS for Modern Fleets	Active	Berlin, Berlin, Germany	5	Nick Telecki, Thiago Peres, Christopher Bruno	Reveal
Rebolt	W25	AI-Powered Company OS	Active	San Francisco, CA, USA	3	Celia Manzano, Javier Sanchez	Reveal
Red Barn Robotics	W25	A Roomba for weeds on a farm.	Active	—	5	Adam Iseman, Ilya Kelner, Alex Neff	Reveal
Red Barn Robotics	W25	A Roomba for weeds on a farm.	Active	Seattle, WA, USA	5	Adam Iseman, Ilya Kelner, Alex Neff	Reveal
Reditus Space	W25	Reusable Satellites for zero-g manufacturing	Active	Atlanta, GA, USA	20	Stef Crum, Will Sherman	Reveal
Reditus Space	W25	Reusable Satellites	Active	Atlanta, GA, USA	12	Stef Crum, Will Sherman	Reveal
ReJot	W25	We turn complex API integrations into drop‑in full‑stack libraries	Active	Amsterdam, NH, Netherlands	2	Wilco Kruijer, Jan Schutte	Reveal
Retrofit	W25	A vintage marketplace curated by AI	Active	New York City, NY, USA	2	Sandra Lifshits, Maddy Yip	Reveal
Retrofit	W25	A vintage marketplace curated by AI	Active	New York, NY, USA	2	Sandra Lifshits	Reveal
Revise Robotics	W25	Automating refurbishment of $1T in consumer electronics	Active	New York City, NY, USA	3	Rupesh Jeyaram, Antonio Monreal	Reveal
Revise Robotics	W25	Automating refurbishment of $1T in consumer electronics	Active	—	3	Rupesh Jeyaram, Antonio Monreal	Reveal
Riviera	W25	AI Employees for Hotels	Active	San Francisco, CA, USA	2	Shaun Lane, Daniel Tyshler	Reveal
Riviera	W25	AI Employees for Hotels	Active	San Francisco, CA, USA	2	Shaun Lane, Daniel Tyshler	Reveal
Roark	W25	Test, monitor, and improve your voice agents	Active	San Francisco, CA, USA	3	James Zammit, Daniel Gauci	Reveal
Rocketable	W25	The AI Maximalist Software Holding Company	Active	San Francisco, CA, USA; Remote	2	Alan Wells	Reveal
Rocketable	W25	The AI Maximalist Software Holding Company	Active	—	2	Alan Wells	Reveal
SalesPatriot	W25	AI powered operating system for distributors and OEMs	Active	San Francisco, CA, USA	15	Nelson Ray, Ben Rhodes-Kropf, Maciej Szymczyk, Benjamin Rhodes-Kropf	Reveal
SalesPatriot	W25	We help defense firms win more contracts with the Pentagon	Active	San Francisco, CA, USA	13	Nelson Ray, Ben Rhodes-Kropf, Maciej Szymczyk	Reveal