What they do:
Distributed energy infrastructure unlocking grid power to data centers
Quick facts:
HQ: London, United Kingdom
Top Deep Tech Startups in the United Kingdom
This list has 51 startups and was last updated on Oct 15, 2026. 12 of them are hiring right now. Largest teams: Encord, autone, and CircuitHub. Latest round: Undecimal Bio raised €16M (Oct 13, 2026).
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What they do:
We produce & sell stainless steel water bottles that enables people…
Quick facts:
HQ: London, United Kingdom
What they do:
The Future of Supply Chain Data Tracking and Visibility
Quick facts:
HQ: London, United Kingdom
YC W19Growth stage
Quick facts:
HQ: London, United Kingdom
Incorporated: 2024
Funding:
$6.41M · Equity · Apr 2026
Fancy
Acquired
What they do:
Essentials delivered in 30 minutes.
Quick facts:
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
Shipamax
Acquired
What they do:
Simple, end-to-end automation for logistics orgs
Quick facts:
HQ: London, United Kingdom
Hypermile
Acquired
What they do:
Driver co-pilot to make trucking more efficient
Quick facts:
HQ: London, United Kingdom
The Supplant Company
Shut down
What they do:
A brand-new blend of sugars – made from plant fiber!
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HQ: Cambridge, United Kingdom
MindPortal
Shut down
What they do:
Thought-to-Language AI Models
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HQ: London, United Kingdom
BuildStream
Shut down
What they do:
Workforce solutions for the construction industry
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HQ: London, United Kingdom
Tuxebo
Shut down
What they do:
Online marketplace for equipment rental
Quick facts:
HQ: London, United Kingdom
Aklimate
Shut down
What they do:
Software for enterprises to track and reduce supply chain emissions
Quick facts:
HQ: London, United Kingdom
SmartSite
Shut down
What they do:
Smartsite is a hardware device to protect workers from health risks…
Quick facts:
HQ: London, United Kingdom