Best Infrastructure AI Startups in United Kingdom
10 startups match both filters.
Nscale
VerifiedEuropean sovereign AI infrastructure
Raised
$5.1B
Stage
S-C
Ineffable Intelligence
An AI research company building a superlearner to achieve superintelligence through reinforcement learning
Raised
$1.1B
Stage
Seed
Runware
One API for fast generative AI inference
Raised
$66M
Stage
S-A
Olix Computing
Photonic AI inference chips that skip the need for HBM
Raised
$250M
Stage
S-A
PhysicsX
AI-native engineering simulation that optimizes physical products in minutes.
Raised
$175M
Stage
SERIES B EXTENSION
Paid
Results-based billing and monetization infrastructure for AI agents
Raised
$33.3M
Stage
Pre-S
Lumai
3D optical computing that slashes the cost and power of AI inference.
Raised
$15M
Stage
S-A
Callosum
Brain-inspired software that runs AI workloads on any mix of chips
Raised
$10.3M
Stage
Seed
Gensyn
Decentralized protocol for verifiable machine learning compute at scale
Raised
$50M
Stage
S-A
Speechmatics
Speech APIs powering Voice AI with low-latency speech-to-text for multilingual, multi-speaker conversations.
Raised
$140M
Stage
S-B