Industry

YC B2B Companies

3,278 Y Combinator b2b startups with verified founder contacts, batch info, and company data.

3,278

Companies

964

Active

Acquired

Public

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Velum Labs	W26	The OS for data quality across any stack	Active	San Francisco, CA, USA	2	Benjamin Muñoz-Cerro, Alen Rubilar-Muñoz	Reveal
Veriad	W26	AI compliance officers	Active	San Francisco, CA, USA	2	Rohan Mahendraker, Anton Muratov	Reveal
Visibl Semiconductors	W26	Custom silicon for power electronics	Active	San Francisco, CA, USA	3	Bryce Neil, Jordon Kashanchi	Reveal
VOYGR	W26	Real-world place intelligence for AI apps and agents	Active	—	—	Vlad Baskakov, Yarik Markov	Reveal
Wayco	W26	AI operator for medlegal cases	Active	New York City, NY, USA	5	Iqbol Temirkhojaev	Reveal
Wideframe	W26	AI coworker for video editors to ship more video faster	Active	San Francisco, CA, USA	2	Daniel Pearson, Zachary Kim	Reveal
Zatanna	W26	Turning all software into agent-first APIs	Active	San Francisco, CA, USA	2	Alex Blackwell, Tarun Vedula	Reveal
Zatanna	W26	Adaptive Healthcare Admin Agents	Active	San Francisco, CA, USA	3	Alex Blackwell, Rithvik Vanga, Tarun Vedula	Reveal
Zymbly	W26	Automates admin for aircraft technicians	Active	—	3	Robbie Bourke, Azmat Habibullah, Ben Jacob	Reveal
Zymbly	W26	The decision-support layer for aviation ops teams to know what to do…	Active	London, England, United Kingdom	—	Ben Jacob, Robbie Bourke, Azmat Habibullah	Reveal
Agent FM	S26	One group chat to hear and steer your coding agents.	Active	San Francisco, CA, USA	2	Aniket Deshpande, Mugdhaa Patankar	Reveal
Agnost AI	S26	Product Analytics for Conversational Agents	Active	San Francisco, CA, USA	2	Shubham Palriwala, Parth Ajmera	Reveal
Archal	S26	API sandboxes, built for AI agents	Active	San Francisco, CA, USA	2	Noah Song, Aidan Tiruvan	Reveal
Bernard	S26	AI employees that run home appliance repair companies	Active	New York City, NY, USA	9	Dan Katzman, David Goodfellow	Reveal
Buildbox	S26	Agent analytics for real user outcomes	Active	San Francisco, CA, USA	2	Trishala Jain, Mark Nour	Reveal
Caution	S26	Hosting platform for software you don't want to have hacked	Active	George Town, George Town, Cayman Islands	5	Anton Livaja, Ksenia Lesko, Lance Vick	Reveal
COACH	S26	The AI Coach for in person sales reps.	Active	San Francisco, CA, USA	4	Mathieu Perez, Thomas Perez, Nicolas Sebag	Reveal
CueBench	S26	RL post-training for science reasoning and performance engineering	Active	San Francisco, CA, USA	3	Dillon Mehta, Neel Gadde, Rishan Hemrajani	Reveal
Daqstra	S26	AI-native test infrastructure to accelerate hardware companies.	Active	San Francisco, CA, USA	3	Darell Chua, Anchit Kumar	Reveal
DeepReach Inc.	S26	Real-world data network for robots & world models	Active	San Francisco, CA, USA	6	Chris Liu	Reveal
Financial Datasets	S26	Connect your agent to the stock market	Active	New York City, NY, USA	1	Virat Singh	Reveal
hardware intelligence	S26	AI tools for the chips your AI runs on	Active	San Francisco, CA, USA	2	Athreya Anand, Rishov Sarkar	Reveal
HyperProbe	S26	The runtime data layer for agents to monitor and debug apps	Active	San Francisco, CA, USA	8	Shailendra Singh, Karan Raina	Reveal
Induction Labs	S26	Building intellectually curious AI	Active	San Francisco, CA, USA	2	Jonathan Li, David Li, Jeffrey Li	Reveal
Inkbox	S26	The identity and communication layer for AI agents	Active	San Francisco, CA, USA	3	Ray Liao, Dima Vremenko, Alex Wilcox	Reveal
LATO	S26	Agentic deal diligence for institutional investors	Active	San Francisco, CA, USA	2	Tien Chu, Tymek Staniszewski	Reveal
LemonLime	S26	Fully automated GTM for small business	Active	San Francisco, CA, USA	5	Jordan Zietz, Daniela Muñoz	Reveal
machine0	S26	Cloud computers for AI agents	Active	Paris, Île-de-France, France	1	Barnaby Malet	Reveal
Mentlio	S26	Engineering Intelligence and Token Optimization for the AI-Coding Era	Active	San Francisco, CA, USA	—	Ashank Shah, Ahmet Demirbas	Reveal
Nebula Security	S26	Autonomous AI defense system for cyber attack	Active	San Francisco, CA, USA; Remote	4	Eten Zou, Yuan Tan, Frank Wu, Xiaochuan Yu	Reveal
Nex	S26	Claude Cowork for high volume GTM workflows	Active	San Francisco, CA, USA	5	Najmuzzaman (Nazz) Mohammad, Francisco Dias	Reveal
OneTriangle	S26	The cheapest, fastest lightweight inference.	Active	San Francisco, CA, USA	4	Hannah Chung, Medha Venkatapathy	Reveal
Ooak Data	S26	We turn company data into training data	Active	San Francisco, CA, USA	5	Pierre-Louis Vouteau, Thomas Aubry	Reveal
Pango	S26	Agentic OS for e-commerce operations	Active	New York City, NY, USA	5	Steve Rahimi, Lukasz Reszczynski	Reveal
Perceptron ML	S26	We make law firms AI-native.	Active	San Francisco, CA, USA	2	Michael Marcotte, Peyton Marcotte	Reveal
Poth Labs	S26	Conversational surveys that replace Qualtrics for large brands	Active	San Francisco, CA, USA	2	Mojmir Horvath, Matthew Wong	Reveal
rekursiv.ai	S26	Scale AI scientists whose own breakthroughs accelerate the next.	Active	San Francisco, CA, USA	2	Joshua Dillon, Dan Kondratyuk	Reveal
screenpipe	S26	Turn your company's computer work into AI agents.	Active	San Francisco, CA, USA	2	Louis Beaumont	Reveal
Sidekick	S26	AI agent that handles frontline operations over text	Active	San Francisco, CA, USA	1	Justin So	Reveal
Traceforce	S26	Securing AI native apps directly on devices	Active	San Francisco, CA, USA	2	Xia Hua, Varun Wadhwa	Reveal
Trident	S26	Autonomous offensive security agents. The best defense is offense	Active	San Francisco, CA, USA	4	Junaid Mahmood, Dekai Li	Reveal
Trope	S26	AI FDE that deploys custom AI agents into ERPs	Active	San Francisco, CA, USA	2	Matthew Chow, Victor Vannara	Reveal
Vendo	S26	Let your users build their own features on top of your product	Active	San Francisco, CA, USA	2	Nour Zahzah, Yousef Helal	Reveal
Verdict Machine	S26	AI cybersecurity for financial institutions' digital assets	Active	Tel Aviv-Yafo, Tel Aviv District, Israel	4	Dan Danay, Isaac Grossman, Liran Kogan	Reveal
Waybill	S26	Managed procurement & inventory for hardware teams.	Active	Gurugram, HR, India	5	Rishi Laddha, Tushar Goyal	Reveal
Whitespace	S26	AI Operating System for Wholesale Distribution	Active	San Francisco, CA, USA	2	Alex Tung, Leon Yao	Reveal
Zomma	S26	Computer-use agent swarms for financial back offices	Active	San Francisco, CA, USA	5	Jihyun Kim, Varun Arumugam, Cashel Fitzgerald	Reveal
herdr	F26	building the open agent runtime	Active	Ankara, Ankara, Turkey	1	Can Celik	Reveal
Qokedas	F26	Data for AI Science	Active	San Francisco, CA, USA	3	Wilhelm Hedenskog, Jesper Johansson, Elias Reinfeldt	Reveal
Simantic	F26	Firmware simulation for AI agents	Active	Waterloo, ON, Canada	4	Seungmin Hong, Ahnaf Shahriar	Reveal

Batch Distribution

XX2693 XX2574 WW26160 WW25132 WW24220 SS2637

Status Breakdown

Active964 Inactive26 Acquired10

Top Locations

San Francisco661 New York City71 London31 New York17 Paris13 Stockholm12

About YC B2B Companies

Y Combinator has funded 3,278 b2b companies since its founding in 2005. These startups span from early-stage pre-launch to publicly traded companies, making YC one of the most prolific backers of b2b innovation globally.

964 of these companies are currently active. 10 have been acquired. VCBacked tracks verified founder contact information, team sizes, and company status for every YC b2b startup.

Related Industries

Healthcare805 Fintech709 Consumer654 Engineering, Product and Design610 Industrials489 Infrastructure303 Productivity208 Real Estate and Construction184

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