
Dart
What they do:
The work and agent management platform
Quick facts:
HQ: San Francisco, CA, United States
This list has 1,026 startups and was last updated on Oct 15, 2026. Biggest hubs: San Francisco (572), New York (164), and London (41). Largest teams: Stripe, Deel, and 99minutos. Latest round: HyLight raised €13M (Oct 12, 2026).

What they do:
The work and agent management platform
Quick facts:
HQ: San Francisco, CA, United States

What they do:
Build and analyze things with AI
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HQ: San Francisco, CA, United States

What they do:
Modern financial infrastructure for the trucking industry.
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HQ: Austin, TX, United States

What they do:
AI risk and ops platform for Payment Processors, Banks, SaaS…
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HQ: San Francisco, CA, United States

What they do:
Outbound AI voice agents for the financial services industry
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HQ: Chicago, IL, United States

What they do:
A new kind of creative company.
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HQ: San Francisco, CA, United States

What they do:
The operating system for building mission-critical enterprise apps.
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HQ: San Francisco, CA, United States

What they do:
Go from idea to production with AI.
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HQ: San Francisco, CA, United States

What they do:
Rippling for the Construction Industry
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HQ: San Francisco, CA, United States

What they do:
The programming language for AI
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HQ: Seattle, WA, United States

What they do:
AI for Government Contracting.
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HQ: New York, NY, United States

What they do:
AI agents for fintech risk and compliance operations
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HQ: London, United Kingdom

What they do:
The modern distributor for grocers.
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HQ: New York, NY, United States

What they do:
AI-Native CPQ & Billing for Modern Pricing Models
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HQ: London, United Kingdom

What they do:
POS & operating system that makes liquor stores more money
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HQ: New York, NY, United States

What they do:
Live intelligence for biopharma teams.
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HQ: Boston, MA, United States

What they do:
AI agents for risk, compliance, and safety
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HQ: San Francisco, CA, United States

What they do:
The unified context layer for enterprise data
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HQ: San Francisco, CA, United States

What they do:
Simulation & Evaluation that scales voice and chat AI agents
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HQ: San Francisco, CA, United States

What they do:
The Memory layer for AI Agents
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HQ: San Francisco, CA, United States

What they do:
Complete QA platform for voice agents
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HQ: San Francisco, CA, United States

What they do:
AI call centers
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What they do:
Vanta for carbon compliance
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HQ: Denver, CO, United States

What they do:
Automated AI data integrations for roll-ups
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HQ: New York, NY, United States

What they do:
AI Co-Pilot for Chemical Process Optimization
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HQ: Cambridge, United Kingdom

What they do:
AI Broker for Tariff Refunds
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HQ: San Francisco, CA, United States

What they do:
Data for audio AI
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HQ: San Francisco, CA, United States

What they do:
GPUs for Agents
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HQ: San Francisco, CA, United States

What they do:
The OS for hospital workforce management
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HQ: New York, NY, United States

What they do:
Automate circuit board design using AI
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HQ: New York, NY, United States

What they do:
The deterministic layer for frontier intelligence
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HQ: San Francisco, CA, United States

What they do:
Computational Law
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HQ: London, United Kingdom

What they do:
Build autonomous AI agents for enterprise systems
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HQ: San Francisco, CA, United States

What they do:
Test, monitor, and improve your voice and chat AI agents
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HQ: San Francisco, CA, United States

What they do:
Autonomous security testing for web apps, APIs, cloud, and AI systems
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What they do:
AI Mobile App Quality Assurance Tester
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HQ: San Francisco, CA, United States