What they do:
Cell-specific genetic medicines
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HQ: London, United Kingdom
Top Startups in London
This list has 217 startups and was last updated on Oct 15, 2026. 57 of them are hiring right now. Largest teams: GoCardless, LemFi, and Permutive. Latest round: Obsero raised €1M (Oct 13, 2026).
217 startupsPage 5 of 7
What they do:
The unbiased AI and data layer for skin health.
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HQ: London, United Kingdom
What they do:
Open-source monitoring for machine learning models
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HQ: London, United Kingdom
What they do:
Digital program for tinnitus
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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
What they do:
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:
Distributed energy infrastructure unlocking grid power to data centers
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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
What they do:
The frontier data platform for aligned health and biological AI
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HQ: London, United Kingdom
What they do:
Agent swarms that make long-running tasks exponentially faster
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HQ: London, United Kingdom
What they do:
We produce & sell stainless steel water bottles that enables people…
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HQ: London, United Kingdom
What they do:
AI agents for high-value professional work
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HQ: London, United Kingdom
What they do:
The Future of Supply Chain Data Tracking and Visibility
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HQ: London, United Kingdom
YC W19Growth stage
What they do:
Consumer focus groups run by AI
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HQ: London, United Kingdom
YC S25Early stage
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HQ: London, United Kingdom
Funding:
$730M · Equity · Jun 2026
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HQ: London, United Kingdom
Incorporated: 2021
Funding:
$60M · Equity · Oct 2026
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HQ: London, United Kingdom
Incorporated: 2025
Funding:
$10M · Equity · Jun 2026
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HQ: London, United Kingdom
Incorporated: 2021
Funding:
$9.65M · Equity · Mar 2026
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HQ: London, United Kingdom
Incorporated: 2022
Funding:
$9.33M · Equity · Jan 2026
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HQ: London, United Kingdom
Funding:
$6.93M · Debt · May 2026
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HQ: London, United Kingdom
Incorporated: 2024
Funding:
$6.41M · Equity · Apr 2026
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HQ: London, United Kingdom
Funding:
$4.14M · Equity · Jun 2026
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HQ: London, United Kingdom
Incorporated: 2023
Funding:
$1.99M · Equity · Jun 2026
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HQ: London, United Kingdom
Incorporated: 2024
Funding:
$1.18M · Equity · Apr 2026
Fancy
Acquired
What they do:
Essentials delivered in 30 minutes.
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HQ: London, United Kingdom
Headstart
Acquired
What they do:
Headstart uses Machine Learning to help companies decide on who to…
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HQ: London, United Kingdom
Fat Llama
Acquired
What they do:
Fat Llama is the first fully insured peer-to-peer rental marketplace.…
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HQ: London, United Kingdom
Quell
Acquired
What they do:
Get fit fighting your way through a fantasy world.
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HQ: London, United Kingdom