
Middleware
What they do:
AI-based full stack observability platform
Quick facts:
HQ: San Francisco, CA, United States
This list has 746 startups and was last updated on Oct 15, 2026. Biggest hubs: San Francisco (443), New York (121), and London (22). Largest teams: Relativity Space, Podium, and Flock Safety. Latest round: Revnu raised €2.6M (Oct 1, 2026).

What they do:
AI-based full stack observability platform
Quick facts:
HQ: San Francisco, CA, United States

What they do:
AI Servicing for Auto Lenders
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HQ: San Francisco, CA, United States

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Make Banking Magical
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HQ: San Francisco, CA, United States

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Real-world training data for frontier AI labs and robotics.
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HQ: San Francisco, CA, United States

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AI Document Fraud Detection for Banks, Credit Unions & Lenders
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HQ: San Francisco, CA, United States

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Landeed is India’s digital infrastructure for property intelligence,…
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Marketplace for America's most essential assets
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HQ: New York, NY, United States

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AI Time Platform for Law Firms
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HQ: New York, NY, United States

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Modern OS for the financial back office.
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HQ: New York, NY, United States

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Medical Record Retrieval with Zero Human Error
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HQ: New York, NY, United States

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The organic growth engine for financial advisors
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HQ: New York, NY, United States

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The multimodal data lab
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HQ: San Francisco, CA, United States

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AI-native operations for the banks
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HQ: San Francisco, CA, United States

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Accelerate Medication Access with AI
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HQ: San Francisco, CA, United States

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Creating a new form of air transportation to advance our civilization
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HQ: Austin, TX, United States

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Earn airline miles on hotels and everyday spend.
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HQ: New York, NY, United States

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Authorization Infrastructure securing AI at OpenAI, Zoom, & more
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HQ: New York, NY, United States

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Making Anime Real
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HQ: San Francisco, CA, United States

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Swayable predicts consumer opinion and the impact of content
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HQ: New York, NY, United States

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Bunkerhill is a long-horizon agent for health systems
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HQ: San Francisco, CA, United States

What they do:
The API to get recordings, transcripts, and metadata from meetings
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HQ: San Francisco, CA, United States

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Automating manual and repetitive data engineering tasks with AI
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HQ: New York, NY, United States

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AI Native Sales Outreach Platform
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Virtualizing brick-mortar infrastructures of clinics w/ generative AI
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HQ: Houston, TX, United States

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AI-Powered Infrastructure for Insurance & Healthcare
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HQ: London, United Kingdom

What they do:
Infrastructure to protect companies from AI abuse
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HQ: New York, NY, United States

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Spade is the data and AI platform for modern finance.
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HQ: New York, NY, United States

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Automate data-driven slide decks and documents with AI
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HQ: New York, NY, United States

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AI-Powered Accounting
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HQ: San Francisco, CA, United States

What they do:
Revenue Activation Platform
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HQ: San Francisco, CA, United States

What they do:
AI-powered user interviews
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HQ: San Francisco, CA, United States

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AI Operating System for Private Market Investors
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HQ: New York, NY, United States

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AI Support Agent for Enterprises.
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HQ: San Francisco, CA, United States

What they do:
The complete agentic document platform
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HQ: San Francisco, CA, United States

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Alex is the AI recruiter for hiring great people.
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HQ: San Francisco, CA, United States

What they do:
Applied research lab curating data solutions for foundation model…
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HQ: San Francisco, CA, United States