Industry

YC B2B Companies

2,174 Y Combinator b2b startups with verified founder contacts, batch info, and company data.

2,174

Companies

838

Active

Acquired

Public

YC Company Directory

50 companies

Export All

Company	Batch	Description	Status	Location	Team	Site	Founders	Reveal
Autumn	S25	Billing infrastructure for AI	Active	—	2		Ayush Rodrigues, John Yeo	Reveal
Avent	S25	AI agents for industrial commerce	Active	—	2		Abhay Kalra	Reveal
bitrig	S25	Vibe code, test, and deploy Swift apps. All from your iPhone.	Active	—	3		Kyle Macomber, Tim Donnelly, Jacob Xiao	Reveal
Bizzy AI	S25	Bizzy works 24/7 so you never miss a lead.	Active	San Francisco, CA, USA	—		Rithvik Gabri, Ansh Sheth	Reveal
BootLoop	S25	Firmware in minutes, not months - rigorously tested on real hardware	Active	San Francisco, CA, USA	3		Noah Pacik-Nelson, Chris Markus	Reveal
burnt	S25	Agentic Operating System for Food Supply Chain	Active	San Francisco, CA, USA	3		Joseph Jacob, Rhea Karimpanal, Chandru Shanumugasundaram	Reveal
Cactus	S25	Low-latency AI engine for mobile devices & wearables	Active	San Francisco, CA, USA	8		Roman Shemet, Henry Ndubuaku	Reveal
Candytrail	S25	AI agents for in-person sales teams, starting with coaching	Active	San Francisco, CA, USA	2		Aditya Mahna, Ayush Mahna	Reveal
Certus AI	S25	Replacing the restaurant phone line with Voice AI	Active	San Francisco, CA, USA	3		Gurveer Singh, Adam Gamieldien, Isaac Nichols	Reveal
Channel3	S25	Database of every product on the internet	Active	New York, NY, USA	5		Alexander Schiff, George Lawrence	Reveal
Char	S25	Open source AI notepad for meetings	Active	—	3		John Jeong, Deokhaeng Lee, Yujong Lee	Reveal
Clodo	S25	Vibe GTM. Execute your outbound ideas with just a prompt	Active	San Francisco, CA, USA	2		Sid Rajaram, Rithvik Chuppala	Reveal
Closera	S25	AI employees for commercial real estate	Active	San Francisco, CA, USA	2		Anmol Tukrel, Chinmay Patel	Reveal
Comena	S25	AI agents for distributors and manufacturers to automate order entry.	Active	—	2		Jiehua Wu, Almo Sutedjo	Reveal
ContextFort	S25	Visibility and Controls for Browser Agents	Active	San Francisco, CA, USA	2		Ashwin Ramachandran	Reveal
Cyberdesk	S25	Self learning computer use agent for developers	Active	San Francisco, CA, USA	2		Mahmoud Al-Madi, Alan Duong	Reveal
datafruit	S25	AI DevOps Engineer	Active	San Francisco, CA, USA	4		Venkat Arun, Abhiram Chennupati, Tom Jeong, Nick Papciak	Reveal
Dedalus Labs	S25	Connect any LLM to any MCP tools and create complex agents in minutes.	Active	San Francisco, CA, USA	9		Catherine Di, Windsor Nguyen	Reveal
DeepAware AI	S25	Help AI data centers unlock more compute and become more efficient	Active	San Francisco, CA, USA	2		Jerry Huang, Stela Tong	Reveal
DeepGrove	S25	Frontier Intelligence. On Any Device.	Active	—	3		Shayaan Emran, Edward Zhang	Reveal
Doe	S25	The boring stuff, handled. Everything else, supercharged.	Active	San Francisco, CA, USA	4		Adrian Barbir, Richard Ou	Reveal
dScribe AI	S25	Computer vision for bulk inventory tracking	Active	Olathe, KS, USA	2		Warren Wijaya Wang, Cole Robertson	Reveal
Embedder	S25	Cursor for Firmware	Active	San Francisco, CA, USA	4		Ethan Gibbs, Bob Wei	Reveal
F2	S25	The AI platform for private markets investors	Active	New York, NY, USA	20		Don Muir	Reveal
Finto	S25	AI accounting for enterprise finance teams	Active	—	3		Jonas Morgner, Linus Boehm, Lorenz Neuner	Reveal
Fleetline	S25	Optimizing fleet planning with data driven algorithms	Active	New York, NY, USA	3		Saurav Kumar, Veer Juneja	Reveal
Floot	S25	The easiest way for non-coders to build apps with AI.	Active	—	2		Yujian Yao, Edward Look	Reveal
Fluidize	S25	Helping scientists and engineers run experiments with AI.	Active	San Francisco, CA, USA	3		Henry Bae, Alex Fleury, Jamin Liu	Reveal
Fulcrum	S25	The agentic debugger for AI systems	Active	—	2		Kaivalya Hariharan, Uzay Girit	Reveal
GhostEye	S25	Vulnerability Management for Human Risk	Active	New York, NY, USA	3		Mohammad Eshan, Charles Antoine Malenfant	Reveal
gitdot	S25	A better GItHub	Active	—	2		Paul Bae, Mikkel Kim	Reveal
Golpo	S25	Most Powerful AI Video Gen Model for Explainer Videos From Documents	Active	San Francisco, CA, USA	4		Shraman Kar, Shreyas Kar	Reveal
Halluminate	S25	Data and RL environments to automate knowledge work	Active	San Francisco, CA, USA	2		Jerry Wu, Wyatt Marshall	Reveal
Humoniq	S25	AI-Native BPO for travel & transport	Active	San Francisco, CA, USA	6		Todd Sullivan, Will Weber	Reveal
Idler	S25	Reinforcement learning environments.	Active	San Francisco, CA, USA	14		Ivan Chub, Nalu Concepcion, Tony Goss	Reveal
Imprezia	S25	The World's First AI Ad Network.	Active	—	3		Bishesh Khadka	Reveal
Interfere	S25	Build software that never breaks	Active	New York, NY, USA	5		Luke Shiels	Reveal
Janet AI	S25	The AI-Native Jira	Active	San Francisco, CA, USA	2		Adhit Sankaran, William Barthell	Reveal
Juxta	S25	Building a GPS alternative 100x more powerful with no hardware needed.	Active	—	—		John Ferrara	Reveal
Kalinda	S25	Deep research for class action law firms	Active	—	2		Sayan Bhatia, Sohil Bhatia	Reveal
Kernel	S25	Crazy fast, open source infra for AI agents to use the Internet	Active	San Francisco, CA, USA	6		Catherine Jue, Rafael Garcia	Reveal
KE Kestroll	S25	—	Active	San Francisco, CA, USA	2	—	Benjamin Skinner, Tom Yang	Reveal
Knowlify	S25	Convert textual content into explainer videos in < 15s	Active	San Francisco, CA, USA	4		Ritam Rana, Jonathan Maynard, Arjun Talati, Ritvik Varada	Reveal
Lanesurf	S25	Voice AI for booking freight	Active	San Francisco, CA, USA	4		Pratham Bansal, Sarthak Singh Chauhan	Reveal
Lark	S25	The E2E testing layer for AI-driven development	Active	San Francisco, CA, USA	2		Vijit Dhingra, Jack Brown	Reveal
Lilac	S25	Spot GPUs that use idle GPUs from enterprises	Active	San Francisco, CA, USA	2		Ryan Ewing, Lucas Ewing	Reveal
Liva AI	S25	Audio & Video Data	Active	San Francisco, CA, USA	2		Ashley Mo, Aoi Otani	Reveal
Lotas	S25	AI for Data Science and 3D	Active	San Francisco, CA, USA	2		Jorge Guerra, William Nickols	Reveal
Louiza Labs	S25	Hebbia for Pharmaceutical Evidence	Active	San Francisco, CA, USA	2		Larissa Tyagi	Reveal
Luminal	S25	Making AI run fast on any hardware.	Active	—	3		Joe Fioti, Matthew Gunton, Jake Stevens	Reveal

Batch Distribution

WW26101 WW2599 WW24149 WW23159 WW22161 WW21134

Status Breakdown

Active838 Inactive83 Acquired79

Top Locations

San Francisco415 New York110 London23 Bengaluru14 Toronto13 Seattle11

About YC B2B Companies

Y Combinator has funded 2,174 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.

838 of these companies are currently active. 79 have been acquired. VCBacked tracks verified founder contact information, team sizes, and company status for every YC b2b startup.

Related Industries

Engineering, Product and Design139 Industrials89 Consumer80 Healthcare78 Fintech65 Infrastructure64 Productivity38 Manufacturing and Robotics30

← All YC Companies

Get the full b2b dataset

Verified founder emails, CSV export, and advanced filters for all 2,174 YC b2b companies.

No credit card required