What they do:
AI formulas and document support for Microsoft Excel
Quick facts:
HQ: New York, NY, United States
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 69 of 138
What they do:
Prompt and Context Optimization for Coding Agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI documentation engineer – test & autoimprove stale product docs
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Environments for Long Horizon Work
Quick facts:
HQ: San Francisco, CA, United States
What they do:
We help companies win government funding with AI
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Lovable for Chrome Plugins
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The agentic AI Word editor
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Continuous inference for streaming AI models
Quick facts:
What they do:
Zero code network tracer
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AWS for AI Agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Founder led hiring for London startups
Quick facts:
What they do:
The AI Maximalist Software Holding Company
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Outbound Sequencing Infrastructure for Startups
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The social network layer for AI apps
Quick facts:
HQ: San Francisco, CA, United States
What they do:
How elite law firms do intake
Quick facts:
HQ: Miami, FL, United States
What they do:
AI personal assistant for in-home sales
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The health coach that texts you first
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Real-time AI translator for global sales and marketing
Quick facts:
HQ: Seoul, South Korea
What they do:
Build internal tools with AI
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI agents for conversational commerce
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Headless Data Team
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Simplifying Collaboration for Healthcare Organizations & Professionals
Quick facts:
HQ: New York, NY, United States
What they do:
We turn complex API integrations into drop‑in full‑stack libraries
Quick facts:
HQ: Amsterdam, Netherlands
What they do:
Foundational model research
Quick facts:
HQ: San Francisco, CA, United States
What they do:
We automate urban planning so cities can build cheaper and faster.
Quick facts:
What they do:
AI Employees for Hotels
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Building agents that reads logs and fixes issues on your behalf.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI Compliance for Affordable Housing
Quick facts:
HQ: New York, NY, United States
What they do:
We turn traditional companies into AI companies
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The AI Front Door For Law Firms
Quick facts:
HQ: New York, NY, United States
What they do:
AI co-pilot for building plan review and building code compliance
Quick facts:
HQ: Salt Lake City, UT, United States
What they do:
OpenRouter for Integrations
Quick facts:
HQ: New York, NY, United States
What they do:
Embedded Sandboxes for Agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Agent teams for complex work
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Execute the best sales playbook in industry
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The fastest native app for agentic engineering.
Quick facts:
HQ: San Francisco, CA, United States