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Active YC Companies

3,365 Y Combinator companies with active status. Browse founder contacts, batch info, and company data.

3,365

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YC Company Directory

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
PAX Markets	W25	More 𝛼, less latency: exchange and HFT on one chip.	Active	Redwood City, 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	—	2	Adam Chandler, Alexander Densley	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	—	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
Proception Inc	W25	Making humanoids dexterous enough to thread a needle	Active	—	10	Jay Li	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
Rebolt	W25	Build apps and agents by speaking with AI	Active	—	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
Reditus Space	W25	Reusable Satellites for zero-g manufacturing	Active	Atlanta, GA, USA	20	Stef Crum, Will Sherman	Reveal
ReJot	W25	We turn complex API integrations into drop‑in full‑stack libraries	Active	Amsterdam, Netherlands	2	Wilco Kruijer, Jan Schutte	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	—	3	Rupesh Jeyaram, Antonio Monreal	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	—	2	Alan Wells	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
SAMMY Labs	W25	SAMMY Labs, the knowledge layer for your people and AI	Active	—	10	Joe Savidge, Shav Vimalendiran	Reveal
Sennu AI	W25	AI Code Review for Salesforce Development	Active	San Francisco, CA, USA	2	Sriman Gaddam, Sukhjit Singh	Reveal
Solidroad	W25	AI agents for CX teams, starting with training and QA.	Active	San Francisco, CA, USA	6	Mark Hughes, Patrick Finlay	Reveal
Splash Inc.	W25	Autonomous patrol-boats for National Security	Active	El Segundo, CA, USA	7	Ivan Avanesov, Marcell Veszpremi	Reveal
Spott	W25	AI-native ATS/CRM for recruiting firms	Active	—	20	Manu Vanderveeren, Lander Degreve, Samuel Smeys	Reveal
Stamp	W25	The AI Native Email Client	Active	—	1	Archit Mehta	Reveal
Steinmetz	W25	Hardware for Electric Vehicles.	Active	San Francisco, CA, USA	2	Owen Brake, Ethan Childerhose	Reveal
Stillwind	W25	Autonomous Electrical Engineering	Active	Zürich, Switzerland	4	Linus Meierhöfer, Lukas Ego, Hannes Furmans, Josef Zoller	Reveal
SubImage	W25	Software that maps your infrastructure. Open core alternative to Wiz	Active	—	5	Gustaf Alstromer, Alex Chantavy, Kunaal Sikka	Reveal
Subtrace	W25	Zero code network tracer	Active	San Francisco, CA, USA	2	Adhityaa Chandrasekar, Sachin Sridhar	Reveal
superglue	W25	AI that fixes enterprise glue	Active	San Francisco, CA, USA	4	Adina Goerres, Stefan Faistenauer	Reveal
Swerve	W25	Chat with AI Characters	Active	San Francisco, CA, USA	2	Soroush Saryazdi, Jason Zhou	Reveal
TamLabs	W25	Cursor for Microsoft Word	Active	San Francisco, CA, USA	2	Joshua Doolan, Ben Doolan	Reveal
Tejas AI	W25	Risk Decisioning Platform for Banks	Active	San Francisco, CA, USA	2	Gaurav Luhariwala	Reveal
TensorPool	W25	Vercel For GPUs	Active	—	3	Tycho Svoboda, Joshua Martinez, Hlumelo Notshe	Reveal
Tergle	W25	AI Agents for Audit	Active	San Francisco, CA, USA	—	Adam Bowen	Reveal
Tire Swing	W25	AI Powered Affordable Housing Eligibility	Active	New York, NY, USA	2	Paul Witten, Lucas Irvine	Reveal
Toothy AI	W25	AI for insurance verification & billing at dental clinics	Active	San Francisco, CA, USA	15	Johnny Chen, Matt Kerrigan, Tejas Konduru	Reveal
Trace	W25	Voice AI Customer Support for Financial Services	Active	San Francisco, CA, USA	3	Saner Cakir, Kayla Lee	Reveal
TrainLoop	W25	Reasoning Fine-Tuning	Active	San Francisco, CA, USA	6	Jackson Stokes, Mason Pierce	Reveal
Trata	W25	AI-powered research desk for hedge funds	Active	New York, NY, USA	5	Eric Cho	Reveal
Trava	W25	AI agents for global trade compliance	Active	San Francisco, CA, USA	1	Pushkar Lanka	Reveal
Trim	W25	A foundation model for physics.	Active	San Francisco, CA, USA	3	Emanuel Gordis	Reveal
Truffle AI	W25	AWS for AI Agents	Active	San Francisco, CA, USA	2	Shaunak Srivastava, Rahul Karajgikar	Reveal
Tweeks.io	W25	Lovable for Chrome Plugins	Active	San Francisco, CA, USA	2	Jason Madeano, Matt Stallone	Reveal
Uncommon Therapeutics	W25	A Disease Focused Biotech, Building Multiple Billion Dollar Drugs	Active	San Francisco, CA, USA	2	Noah Auerhahn, Ryan Lim	Reveal
Vantel	W25	AI Platform for Commercial Insurance Brokerages	Active	—	4	Love Redin, Ulme Wennberg	Reveal
Verbiflow	W25	People search that works	Active	San Francisco, CA, USA	2	Kashyab Ambarani, Rishi Mahadevan	Reveal
Vetnio	W25	AI Copilot that automates admin work for veterinary professionals	Active	—	6	Arman Karégar, Max Henry Xie	Reveal
Vocality Health	W25	Voice AI for medical language translation	Active	—	2	Brogan McPartland, Vivek Jayaram	Reveal