
What they do:
Spend Intelligence for Complex Enterprises
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This list has 241 startups and was last updated on Oct 15, 2026. 53 of them are hiring right now. Biggest hubs: San Francisco (109), New York (34), and London (12). Largest teams: Fivetran, Amplitude, and Nabis. Latest round: Bayesline raised $5.79M (May 15, 2026).

What they do:
Spend Intelligence for Complex Enterprises
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What they do:
Test, monitor, and improve your voice agents
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HQ: San Francisco, CA, United States

What they do:
Understand your users beyond the numbers
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HQ: San Francisco, CA, United States

What they do:
Building medical school for AI Agents
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HQ: San Francisco, CA, United States

What they do:
Digital transformation for real economy businesses
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HQ: San Francisco, CA, United States

What they do:
Open-source monitoring for machine learning models
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HQ: London, United Kingdom

What they do:
AI agents to build B2B datasets
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HQ: San Francisco, CA, United States

What they do:
Payments & analytics for apps in the OpenAI GPT Store
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What they do:
ML Marketing Infrastructure
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HQ: Singapore

What they do:
Cloud Native SIEM (alternative to Splunk/Elastic)
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HQ: Seattle, WA, United States

What they do:
Build chat-with-data agents for customer-facing applications
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HQ: Limerick, Ireland

What they do:
Win local search on ChatGPT & other LLMs
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HQ: San Francisco, CA, United States

What they do:
Open source agentic BI for founders
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HQ: San Francisco, CA, United States

What they do:
Datadog for robots
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HQ: San Francisco, CA, United States

What they do:
Outbound Sequencing Infrastructure for Startups
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HQ: San Francisco, CA, United States

What they do:
Headless Data Team
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HQ: San Francisco, CA, United States

What they do:
AI Employees for Hotels
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HQ: San Francisco, CA, United States

What they do:
Let your agent build dashboards and reporting.
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HQ: San Francisco, CA, United States

What they do:
AI for quantitative trading
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HQ: San Francisco, CA, United States

What they do:
The agentic debugger for AI systems
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HQ: San Francisco, CA, United States

What they do:
Consumer simulations for CPG market research
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HQ: New York, NY, United States

What they do:
Find what's losing you customers and money in your AI agent and fix it
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HQ: San Francisco, CA, United States

What they do:
TikTok for Sports Trading
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HQ: San Francisco, CA, United States

What they do:
Accurately simulate market response at scale
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HQ: San Francisco, CA, United States

What they do:
Foundation models on enterprise transaction data.
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HQ: San Francisco, CA, United States

What they do:
We find where AI agents fail, then train better models to run them.
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HQ: San Francisco, CA, United States

What they do:
A factory for small and specialized video reasoning models
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What they do:
AI Agents for Healthcare Intake
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HQ: San Francisco, CA, United States

What they do:
Embed charts, dashboards and exports in your app
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HQ: Austin, TX, United States

What they do:
Managed GPU-accelerated Spark + SQL at 2x speed and half the cost
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HQ: New York, NY, United States

What they do:
The AI forecasting company for global macro events.
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HQ: San Francisco, CA, United States

What they do:
AI Data Analyst for fast-growing teams
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HQ: San Francisco, CA, United States

What they do:
Analytics stack for omnichannel retailers and brands
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HQ: San Francisco, CA, United States

What they do:
Analytics to improve how teams work and collaborate
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HQ: Seattle, WA, United States

What they do:
Agentic Business Intelligence
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HQ: New York, NY, United States

What they do:
Software and APIs to collect, clean, and control customer data.
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HQ: San Francisco, CA, United States