Industry
YC B2B Companies
2,174 Y Combinator b2b startups with verified founder contacts, batch info, and company data.
2,174
Companies
838
Active
79
Acquired
0
Public
YC Company Directory
50 companies
Company | Batch | Description | Status | Location | Team | Site | Founders | Reveal |
|---|---|---|---|---|---|---|---|---|
Magnetic | S25 | AI Tax Preparer for CPA firms | Active | — | 2 | Thomas Shelley, Patrick Fay | Reveal | |
MangoDesk | S25 | RL environments for software engineering | Active | San Francisco, CA, USA | 2 | Ankith Subramanya, Ananth Subramanya | Reveal | |
Manufact (formerly mcp-use) | S25 | Open source SDK & cloud infrastructure for MCP Servers & ChatGPT Apps | Active | — | 3 | Pietro Zullo, Luigi Pederzani | Reveal | |
Metis | S25 | Infrastructure to build reliable agents | Active | San Francisco, CA, USA | 13 | Aryan Shah, Aayush Sheth, Marcus Yearwood | Reveal | |
Mimos | S25 | Helping companies rank in AI search | Active | — | 2 | Rohit Sirosh, Michael Korovkin | Reveal | |
Minimal AI | S25 | AI Agents for E-commerce Customer Support | Active | — | 3 | Niek Hogenboom, Titus Ex | Reveal | |
Modelence | S25 | The full-stack platform for agentic development | Active | San Francisco, CA, USA | 3 | Aram Shatakhtsyan, Eduard Piliposyan | Reveal | |
Monarcha | S25 | An expert for your spatial data | Active | San Francisco, CA, USA | 2 | James Spokes, Everett Lee | Reveal | |
Motives | S25 | Consumer focus groups run by AI | Active | London, UK | — | Sean Conley, Sam Stoll | Reveal | |
Nautilus | S25 | AI platform to grow and to optimize car washes | Active | — | 2 | Amayr Babar, Ali Sareini | Reveal | |
Nixo | S25 | The first ops platform for forward deployed engineers | Active | — | 4 | Priya Khandelwal | Reveal | |
Notte | S25 | Reliable Web Agents for Enterprise | Active | San Francisco, CA, USA | 5 | Andrea Pinto, Lucas Giordano | Reveal | |
Nozomio | S25 | Context augmentation for agents | Active | — | 1 | Arlan Rakhmetzhanov | Reveal | |
Okibi | S25 | Build AI coworkers using natural language, it's Lovable for agents | Active | San Francisco, CA, USA | 2 | Mahyad Ghassemi, Saurav Mitra | Reveal | |
Omnara | S25 | Mobile & Web Interface for Claude Code & Codex | Active | San Francisco, CA, USA | 3 | Ishaan Sehgal, Kartik Sarangmath | Reveal | |
OnDeck AI | S25 | Analyze any footage, without training a model | Active | Vancouver, BC, Canada | 5 | Alexander Dungate, Sepand Dyanatkar | Reveal | |
Orange Slice | S25 | Agentic sales enrichment spreadsheet | Active | — | 2 | Vihaar Nandigala, Kishan Sripada | Reveal | |
Outrove | S25 | Ultra-realistic AI Recruiter | Active | San Francisco, CA, USA | 2 | Ahmed ElShireef, Saif Elhager | Reveal | |
Palace | S25 | Palace plans, coordinates, and executes daily ops for trucking fleets | Active | New York, NY, USA | 2 | Leeds Rising, Derek Ye | Reveal | |
Pally | S25 | Intelligent Unified Inbox + Personal CRM | Active | San Francisco, CA, USA | 3 | Haz Hubble, Wyatt Lansford | Reveal | |
Paloma | S25 | AI-native CRM for putting post-sales operations on autopilot | Active | San Francisco, CA, USA | 3 | Nazli Danis, Alex Avnit, Kaiwen Song | Reveal | |
Panels | S25 | Audio Data for AI Labs | Active | San Francisco, CA, USA | 2 | Aaron Wenk, Jason Le | Reveal | |
Pangolin | S25 | Identity-aware VPN and proxy for remote access to anything, anywhere. | Active | San Francisco, CA, USA | 2 | Milo Schwartz, Owen Schwartz | Reveal | |
Pleom | S25 | Agentic Business Intelligence | Active | — | 0 | Royce Arockiasamy | Reveal | |
Pond | S25 | Superhuman for text messages | Active | San Francisco, CA, USA | 2 | Aagam Dalal, Brian Williams | Reveal | |
Proliferate | S25 | The autonomous engineering organization | Active | San Francisco, CA, USA | 2 | Pablo Hansen | Reveal | |
Qualify.bot | S25 | AI phone agents for Commercial Lending | Active | San Francisco, CA, USA | 2 | Rohan Datta, Yash Goenka | Reveal | |
Reacher | S25 | We automate creator marketing for the world's largest brands | Active | San Francisco, CA, USA | 15 | Jerry Qian, Bora Mutluoglu | Reveal | |
Relling | S25 | RL and Data Infrastructure for Robotics & World Models | Active | San Francisco, CA, USA | — | Jai Relan, Anya Singh | Reveal | |
Riverbank | S25 | AI-native Red Teaming and Offensive Security | Active | San Francisco, CA, USA | 1 | Carter Pry | Reveal | |
RowFlow | S25 | Replacing forms with AI conversations | Active | New York, NY, USA | 2 | Alec Olesky, Jack Bubes | Reveal | |
Sagekit | S25 | AI workspace for research and writing | Active | San Francisco, CA, USA | 2 | Tom Greenwald, Anders Lie | Reveal | |
Serafis | S25 | The AI knowledge graph for institutional investors | Active | San Francisco, CA, USA | 4 | Rohan Sharma | Reveal | |
SigmanticAI | S25 | The Cursor for Chip Design - Delivering Silicon-Ready Chip Designs… | Active | Dublin, CA 94568, USA | 2 | Rohil Khare, Tamzid Razzaque | Reveal | |
Sira | S25 | AI Native Rippling for Deskless Workers | Active | — | 0 | Nathan Belaye, Antonio Chan | Reveal | |
Skope | S25 | Build a more profitable law firm with AI. | Active | San Francisco, CA, USA | 2 | Ben Smith, Connor Park | Reveal | |
Slashy | S25 | Cursor for Email | Active | San Francisco, CA, USA | 3 | Pranjali Awasthi, Harsha Gaddipati, Dhruv Roongta | Reveal | |
Socratix AI | S25 | AI coworkers for fraud and risk teams. | Active | — | 3 | Riya Jagetia, Satya Vasanth Tumati | Reveal | |
stagewise | S25 | The frontend coding agent for real codebases. | Active | — | 2 | Glenn Töws, Julian Goetze | Reveal | |
Stellon Labs | S25 | Building tiny frontier AI models that run on edge devices | Active | San Francisco, CA, USA | 2 | Rohan Joshi, Divam Gupta | Reveal | |
Stockline | S25 | AI-native ERP for food wholesalers | Active | San Francisco, CA, USA | 2 | Mariem Ould Ismail, Moncef DJAFRI | Reveal | |
Stormy AI | S25 | Al platform that makes social marketing as easy as running a Google… | Active | San Francisco, CA, USA | 5 | Robert Lukoszko | Reveal | |
Synthetic Society | S25 | Synthetic Users to Simulate Real Users | Active | San Francisco, CA, USA | 2 | Kavan Doctor, Aaron Chew | Reveal | |
TectoAI | S25 | A Platform for AI Governance | Active | San Francisco, CA, USA | 2 | Niosha Afsharikia, PhD, Roksana Baleshzar | Reveal | |
Tesora | S25 | AI-Native Software for Operations and Finance Teams | Active | San Francisco, CA, USA | 2 | Vivek Rao, Federico Reyes Gomez | Reveal | |
The Prompting Company | S25 | We help products get mentioned in ChatGPT. | Active | — | 4 | Kevin Chandra, Michelle Marcelline, Albert Purnama | Reveal | |
Topological | S25 | Physics-based foundation models for CAD optimization. | Active | — | 2 | Nicole Ma, Zeyneb Kaya | Reveal | |
TraceRoot.AI | S25 | Open source AI agents auto-fix your production bugs | Active | — | 2 | Xinwei He | Reveal | |
truthsystems | S25 | Automatically blocking risky behavior with real-time governance agents | Active | San Francisco, CA, USA | 3 | Alex Mac, Nam Nguyen | Reveal | |
Uplift AI | S25 | Foundational Voice Models for regional languages | Active | — | 5 | Hammad Malik, Zaid Qureshi | Reveal |
Status Breakdown
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.
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