What they do:
AI that creates and runs ads, end-end
Quick facts:
HQ: San Francisco, CA, 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 54 of 138
What they do:
Your Personal AI for everyday work. Lives in your texts.
Quick facts:
HQ: New York, NY, United States
Soren
Hiring
What they do:
The AI Transformation Company
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HQ: San Francisco, CA, United States
YC F25Early stage
What they do:
API for unlimited, durable, real-time streams
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HQ: San Francisco, CA, United States
What they do:
Simulate your customers with AI agents
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HQ: Boston, MA, United States
What they do:
The mid-market agent platform
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HQ: London, United Kingdom
What they do:
Excel AI analyst for Power Users
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What they do:
AI Infra for real-time vision applications
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HQ: San Francisco, CA, United States
VOYGR
Hiring
What they do:
Real-world place intelligence for AI apps and agents
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HQ: San Francisco, CA, United States
YC W26Early stage
Zymbly
Hiring
What they do:
The decision-support layer for aviation ops teams to know what to do…
Quick facts:
HQ: London, United Kingdom
YC W26Early stage
What they do:
An agentic CRM built for Startups
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Cardinal
Hiring
What they do:
Revenue Agents for GTM teams
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HQ: San Francisco, CA, United States
YC W26Early stage
What they do:
AI Scheduling for Short Haul Trucks
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HQ: London, United Kingdom
What they do:
Agents that run short-term rental operations end-to-end
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HQ: San Francisco, CA, United States
What they do:
Real-world sandboxes to test and train AI agents
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HQ: San Francisco, CA, United States
What they do:
Live Evaluation Arenas for Financial Work
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HQ: New York, NY, United States
What they do:
Monitoring and learning layer for long-running agents
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AgentPhone
Hiring
What they do:
Phone Numbers for AI Agents
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HQ: San Francisco, CA, United States
YC X26Early stage
What they do:
Find and engage with desperate buyers across LinkedIn, Email, and X
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HQ: San Francisco, CA, United States
What they do:
Scale AI scientists whose own breakthroughs accelerate the next.
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HQ: San Francisco, CA, United States
What they do:
Automated LiveOps for Game Studios
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HQ: San Francisco, CA, United States
What they do:
Autonomous Customer Operations
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HQ: San Francisco, CA, United States
What they do:
The AI-native trading company: factory prices, delivered, one number
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HQ: San Francisco, CA, United States
What they do:
The AI BPO for financial servies, run by computer-use agents
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HQ: San Francisco, CA, United States
What they do:
Earned intelligence for every company
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HQ: San Francisco, CA, United States
What they do:
Supply chain compliance and cost savings
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HQ: Salt Lake City, UT, United States
What they do:
AI that finds value creation opportunities across enterprise…
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HQ: San Francisco, CA, United States
Operon
Hiring
What they do:
Agentic data layer for manufacturing & process industries.
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HQ: San Francisco, CA, United States
YC S26Early stage
Lamb Labs
Hiring
What they do:
Lightning fast chips with hardcoded AI models
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Grok bot for GTM & Revenue teams
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HQ: San Francisco, CA, United States
What they do:
Hosting platform for software you can't afford to have hacked
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HQ: George Town, Cayman Islands
What they do:
Agents that run middle/back-office operations for Private Capital
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HQ: New York, NY, United States
What they do:
Context layer for enterprise AI surveying employees with voice agents
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HQ: San Francisco, CA, United States
What they do:
We tell sellers exactly when a company is ready to buy.
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HQ: San Francisco, CA, United States
Spine
Hiring
What they do:
We run benefits, payroll & compliance for startups, for free
Quick facts:
HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
A live watermark inside AI voice that survives phone calls
Quick facts:
HQ: San Francisco, CA, United States