y combinator batch

YC S20

209 companies listed, 208 classified into the radar taxonomy, compared against W20.

Cluster mix

17.3% 3.1pp vs W20
12.5% 1.9pp vs W20
12.0% 3.0pp vs W20
11.1% 4.0pp vs W20
11.1% 1.3pp vs W20
10.6% 1.7pp vs W20
9.6% 5.2pp vs W20
2.4% 1.5pp vs W20
2.4% 2.9pp vs W20
1.4% 1.4pp vs W20
1.0% 2.6pp vs W20

Companies

Business-in-a-Box™ for LLCs

Fintech

Prevents your emails from landing in spam.

B2B SaaS

A spend management software that provides businesses visibility,…

Fintech

Modernizing global transportation payments.

Fintech

AI to engage employees, predict attrition and automate HR/IT support

B2B SaaS

Empower your customer service team through AI & automation.

Vertical AI agents

API for healthcare compliance

Security and compliance

Elevating mental health to be a part of your daily coffee ritual.

Healthcare and bio

Humanloop is the LLM evals platform for enterprises.

Agent infrastructure

AI-native Operating System for Enterprise Ecommerce Companies

Vertical AI agents

Building world's largest men fashion brand powered by technology

Consumer

The first test designed to prevent birth control side effects

Healthcare and bio

Automating manual and repetitive data engineering tasks with AI

Vertical AI agents

International banking infrastructure for global startups.

Fintech

Build a custom SaaS or membership site with Webflow or Wordpress

B2B SaaS

The Notabene platform is the trust layer for global money movement.

Fintech

Trust Center platform that scales customer security reviews

Security and compliance

Wearable and At-Home health monitoring with silicon photonic chips

Robotics and physical world

Turns spreadsheets into internal apps and customer portals

Developer tools

An effective home-use fertility treatment for natural conception

Healthcare and bio

Finch is the Employment Data Platform

Commerce and marketplaces

LinkedIn for skilled blue-collar workers

Consumer

Manage every device. Govern every AI agent.

Agent infrastructure

We help companies automate the accounting of their carbon emissions

Climate and energy

Clinically-validated ingredients from natural microbes

Healthcare and bio

India's Fastest Diagnostics Service

Healthcare and bio

Build Backends. Fast.

Developer tools

Brex for South East Asia - Corporate cards & automated payments.

B2B SaaS

Zip58

The future of B2B spend

Commerce and marketplaces

No-code test automation for web apps

Developer tools

Affordable care via ICHRA and primary care with visits, meds, labs…

Healthcare and bio

Predictive battery management software for electrified fleets

Climate and energy

Zuddl is a modular platform for events and webinars that helps event…

B2B SaaS

The only piece of software a coffee shop needs to operate.

B2B SaaS

Transform your decision-making with reliable AI agents in weeks, not…

Vertical AI agents

[Acquired by HubSpot in 2026] Autonomous sales platform to auto-email…

Vertical AI agents

AI agents for customer support.

Vertical AI agents

Next-gen airline OS

B2B SaaS

We automate document-heavy workflows in financial services and beyond

Vertical AI agents

Helps restaurants take online orders directly from customers

Commerce and marketplaces

All 209 companies of S20

Updated hourly from the public YC directory. Companies sorted by AI-visibility score.