What they do:
Search engine for trustworthy medical information.
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HQ: London, United Kingdom
Top AI & Data Startups in London
This list has 94 startups and was last updated on Oct 15, 2026. 25 of them are hiring right now. Largest teams: Model ML, Prolific, and Encord. Latest round: Obsero raised €1M (Oct 13, 2026).
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What they do:
Voice AI for Automotive
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HQ: London, United Kingdom
What they do:
AI Agents for Advisory & Financial Services.
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HQ: London, United Kingdom
What they do:
Understand why your AI agent breaks. Iterate fast to fix it.
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HQ: London, United Kingdom
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The fastest & most scalable graph-vector database on the market
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HQ: London, United Kingdom
QuestDB
Hiring
What they do:
Data platform for mission-critical real-time workloads
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HQ: London, United Kingdom
YC S20Early stage
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Generate, iterate, and ship AI ad creatives faster
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HQ: London, United Kingdom
What they do:
Deliver genes to any cell with AI
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HQ: London, United Kingdom
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AI Employees who love overtime
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HQ: London, United Kingdom
What they do:
Humanoid robots that do your chores for the price of an iPhone!
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HQ: London, United Kingdom
What they do:
Get data insights without writing SQL
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HQ: London, United Kingdom
What they do:
Unlock wasted GPU capacity.
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HQ: London, United Kingdom
What they do:
Personalize your landing site for each vistor, in one line of code.
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HQ: London, United Kingdom
What they do:
Models that keep learning
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HQ: London, United Kingdom
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The AI data analyst for consumer brands
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HQ: London, United Kingdom
What they do:
AI-powered workflow automation for US healthcare providers.
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HQ: London, United Kingdom
What they do:
AI agent that optimizes inference for embedded compute like Jetson
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HQ: London, United Kingdom
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The fastest way to launch product catalogs.
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HQ: London, United Kingdom
What they do:
Context-aware orchestration between humans and AI.
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HQ: London, United Kingdom
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Frontier grows scalable biological brains as an ML training substrate
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HQ: London, United Kingdom
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Monitor and fix product privacy issues before they block growth
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HQ: London, United Kingdom
What they do:
Forward-deployed AI Agents
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HQ: London, United Kingdom
What they do:
Swarms of agents acting like users to find bugs before release
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HQ: London, United Kingdom
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The unbiased AI and data layer for skin health.
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HQ: London, United Kingdom
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Open-source monitoring for machine learning models
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HQ: London, United Kingdom
What they do:
AI SRE For Teams on Kubernetes
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HQ: London, United Kingdom
What they do:
Recover payment failures and maximize subscription Revenue
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HQ: London, United Kingdom
What they do:
No Code Data Analysis for Life Science Research
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HQ: London, United Kingdom
What they do:
ideate.xyz is an AI-powered 3D art suite on the web
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HQ: London, United Kingdom
What they do:
Feed of insights extracted from your go-to sources using LLMs.
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HQ: London, United Kingdom
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The AI Security Engineer to Find and Fix Vulnerabilities
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HQ: London, United Kingdom
What they do:
AI generated podcasts
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HQ: London, United Kingdom
What they do:
Persistent email inbox, phone number and secret storage for agents
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HQ: London, United Kingdom
What they do:
Grammarly for Math ✏️
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HQ: London, United Kingdom
What they do:
Experiment tracking for training ML models
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HQ: London, United Kingdom
What they do:
AI operating system for advertising
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HQ: London, United Kingdom