YC Summer 2026 B2B Startups

Y Combinator's Summer 2026 batch included 91 B2B startups. Of these, 91 remain active, 0 have been acquired, and 0 have shut down.

• Archal (2 people) — The improvement loop for AI agents
• Poth Labs (2 people) — Helping companies understand why users behave the way they do
• Sidekick (1 people) — AI-powered SMS assistant for deskless workers.
• Instance (2 people) — Automated evals for robot policies
• Osmaura (2 people) — AI growth engine for law firms.
• Rex (2 people) — AI Operations Partner for Enterprise Order to Cash
• Codag (1 people) — Log compression for agents.
• Pango (5 people) — Agentic OS for e-commerce operations
• Parasma (1 people) — Training human brain cells for AI compute
• Hoplite (2 people) — Effortlessly deploy cloud software factories.
• Context.dev (1 people) — We give AI agents realtime web context.
• Dialogus (3 people) — Infra for enterprise voice agents.
• Glen (1 people) — Unified organizational context for agents and humans
• Whitespace (2 people) — AI Operating System for Wholesale Distributors
• LATO (2 people) — Agent-native research and simulation platform for investors
• Markov (2 people) — Data for computer-use ai
• Mireye (2 people) — Infrastructure for Physical World AI Agents
• Experiential Labs (2 people) — Continual Learning for Agents
• Edviro (2 people) — Energy world models that fix energy waste before it becomes expensive.
• Ekho Labs — Decisions for disrupted freight
• Induction Labs (2 people) — Building intellectually curious AI
• TrustAI (3 people) — Continuous compliance and governance for agents on sensitive systems
• Rapidfolio — AI for fintechs & banks
• Assemble (3 people) — Agents for Enterprise IT
• Litmus (3 people) — Run an async work trial on every engineer you interview.
• Palette (2 people) — An AI-Native Media Platform
• Shepherd (3 people) — Give your company the knowledge it deserves
• rekursiv.ai (2 people) — Scale AI scientists whose own breakthroughs accelerate the next.
• Rindler (2 people) — The translation layer between AI agents and the web
• GitCafe (2 people) — GitCafe is a modern replacement for GitHub.
• Kebra (2 people) — Make your field service company AI-native
• Donkey (7 people) — The AI-native trading company: China factory-direct for US importers
• Perceptron ML (2 people) — We make law firms AI-native.
• Olam Labs (2 people) — Evaluating models for behavior and performance through simulated games
• Belvedir (1 people) — The autonomous private AI platform.
• Nebula Security (4 people) — A security engineer in your team
• Zomma (5 people) — Computer Use Agents for back offices in finance
• Prized (2 people) — Lovable for internal tools
• Understudy Labs (2 people) — Effortlessly move to open weight models
• Speko (4 people) — OpenRouter for voice AI
• LemonLime (5 people) — No-code AI that learns your business and self-creates automations.
• Buildbox (2 people) — Understand how users experience your AI agents
• Bizmark (2 people) — The OS for companies that make, move, or sell physical goods
• COACH (4 people) — The AI Coach for in person sales reps.
• Marble (2 people) — The autonomous back-of-house for restaurants.
• Touchmark (2 people) — Solving AI pricing
• Zaplar (8 people) — Agentic Hotel Operating System
• screenpipe (6 people) — AI powered by everything you've seen, said or heard
• Alkera AI (3 people) — Reliable and safe data engineering and data science agents
• Definite (3 people) — Build everyday back-office agents on one live model of your books
• Traceforce (2 people) — Securing AI native apps directly on devices
• Cerenovus (5 people) — A knowledge company
• machine0 (1 people) — Cloud computers for AI agents
• Ooak Data (5 people) — We build the world's largest library of real-world business workflow…
• Graphify Labs (2 people) — On-device knowledge graph engine for enterprises
• Vendo (2 people) — Let your users build their own features on top of your product
• Rational (2 people) — AI Employees for Accounting
• Fabraix (2 people) — The world's frontier hacker for AI agents.
• Daqstra (3 people) — AI-native orchestration for physical R&D testing
• Luca IQ (5 people) — API First Tax Calculator for CPAs