What they do:
Explore dozens of design directions with your agent
Quick facts:
HQ: San Francisco, CA, United States
YC F25Early stage
Top B2B Software Startups
This list has 4,938 startups and was last updated on Oct 15, 2026. 1,026 of them are hiring right now. Biggest hubs: San Francisco (2,110), New York (555), and London (147). Largest teams: Stripe, Deel, and 99minutos. Latest round: Onebrief raised $151M (Oct 14, 2026).
Survival statistics →4,003 open roles →
4,938 startupsPage 80 of 138
What they do:
Plan mode for complex features
Quick facts:
YC W26Early stage
What they do:
AI Document Workflows for Enterprises
Quick facts:
HQ: San Francisco, CA, United States
YC W26Early stage
What they do:
AI-native back-office for banks and fintechs
Quick facts:
HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Automating Government Workflows, starting with FOIA
Quick facts:
YC X26Early stage
What they do:
AI Event Manager for in-person events
Quick facts:
HQ: San Francisco, CA, United States
YC X26Early stage
What they do:
AI Employee for Manufacturing Operations
Quick facts:
HQ: San Francisco, CA, United States
YC X26Early stage
What they do:
Engineering Intelligence and Token Optimization for the AI-Coding Era
Quick facts:
HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
We help Fortune 500 companies hedge their supply chain risk
Quick facts:
HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
AI-native insurance department for auto body shops
Quick facts:
HQ: San Francisco, CA, United States
YC W27Early stage
What they do:
Teaching AI to Design Chips
Quick facts:
HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Autonomous Hardware Testing
Quick facts:
HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Host a Poker Club and Make Money
Quick facts:
HQ: Jaco, Costa Rica
YC S26Early stage
What they do:
World Model for Freight
Quick facts:
HQ: New York, NY, United States
YC S26Early stage
What they do:
AI teammates for your business-critical work.
Quick facts:
HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
AI-native Accounting Firm that's killing Deloitte
Quick facts:
HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Persistent sandboxes for agents like hermes, openclaw, claude code
Quick facts:
HQ: New York, NY, United States
YC F26Early stage
What they do:
Resin helps engineers design electronics faster and more reliably
Quick facts:
HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
A graph based IDE for when agents program faster than you can read
Quick facts:
HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
The crowdsourced benchmark for AI-generated music and music production
Quick facts:
HQ: San Francisco, CA, United States
Optimizely
Acquired
What they do:
The first all-in-one operating system for marketing
Quick facts:
HQ: San Francisco, CA, United States
Segment
Acquired
What they do:
Software and APIs to collect, clean, and control customer data.
Quick facts:
HQ: San Francisco, CA, United States
Heap
Acquired
What they do:
Captures user interactions with no code to generate analytics.
Quick facts:
HQ: Seattle, WA, United States
Heroku
Acquired
What they do:
Enabling developers to build and run applications in the cloud.
Quick facts:
HQ: San Francisco, CA, United States
Lever
Acquired
What they do:
Talent Acquisition Suite that combines ATS + Talent CRM
Quick facts:
HQ: San Francisco, CA, United States
Clever
Acquired
What they do:
The platform that powers technology in the classroom.
Quick facts:
HQ: San Francisco, CA, United States
Fivestars
Acquired
What they do:
Customer loyalty and payments platform for small businesses.
Quick facts:
HQ: San Francisco, CA, United States
Weebly
Acquired
What they do:
Build a free website that grows with your business.
Quick facts:
HQ: San Francisco, CA, United States
DrChrono
Acquired
What they do:
The essential platform for modern medical practices and patients.
Quick facts:
HQ: San Francisco, CA, United States
CoreOS
Acquired
What they do:
Open source tools of modern distributed systems.
Quick facts:
HQ: San Francisco, CA, United States
Sqreen
Acquired
What they do:
Sqreen is the application security platform for the modern enterprise
Quick facts:
HQ: San Francisco, CA, United States
GitPrime
Acquired
What they do:
Visibility and analytics for software development leaders.
Quick facts:
HQ: Durango, CO, United States
HelloSign
Acquired
What they do:
eSignature software for small and mid-market businesses.
Quick facts:
HQ: San Francisco, CA, United States
Quick facts:
HQ: Altrincham, United Kingdom
Incorporated: 2025
Funding:
$1.1B · Equity · May 2026
Quick facts:
HQ: San Francisco, CA, United States
Funding:
$1.1B · Equity · Jun 2026
Quick facts:
HQ: Austin, TX, United States
Incorporated: 2022
Funding:
$1.02B · Equity · Apr 2026