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Best Deep Tech Startups in the UK in 2026

10 startups ranked, each with a short verdict.

Updated · How we rank

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Key takeaways

  • Top pick: Wayve, best for: Carmakers and robotaxi operators. Wayve says it drove zero-shot in more than 500 cities across Europe, North America and Japan within a single year.
  • Also near the top: CuspAI, best for: Industrial companies searching for new materials; and Oxford Quantum Circuits, best for: Enterprises and governments accessing quantum hardware.
  • How it was ranked: 10 startups compared. Each verdict is below.

Best Deep Tech Startups in the UK: Top 10 Ranked. Wayve ranks first, with a Lister Score of 97.2.

Wayve leads UK deep tech startups on funding and scale, with embodied AI driving software backed by carmakers and Uber. CuspAI is the best-funded in AI materials discovery, Oxford Quantum Circuits has quantum computers deployed on three continents, and Fractile is the one to watch in AI inference chips.
Best Deep Tech Startups in the UK in 2026, compared
RANKENTRYBEST FORSCOREFROM
1WayveWayve says it drove zero-shot in more than 500 cities across Europe, North America and Japan within a single year.Carmakers and robotaxi operators97.2Custom
2CuspAICuspAI launched the AI Materials Foundry in July 2026, a coalition of more than 48 partners including Nvidia, Meta and Hyundai Motor Group.Industrial companies searching for new materials95.9Custom
3Oxford Quantum CircuitsOQC says it has quantum systems deployed in the UK, the US, Japan and Spain.Enterprises and governments accessing quantum hardware94.6Custom
4FractileFractile says its in-memory architecture can run inference 25 times faster at a tenth of the cost, with its first chip planned for 2027.Data centres running large AI models93.3Custom
5Quantum MotionQuantum Motion says its CMOS approach could cut costs 100-fold and energy use 1,000-fold in standard data centre racks.Organisations wanting quantum hardware that fits data centre racks92.0Custom
6NscaleNscale set up a US engineering hub in Bellevue, Washington, in 2026.AI companies that need large GPU capacity90.7Custom
7HumanoidHumanoid describes itself as Europe's first pure-play humanoid robotics unicorn.Industrial and logistics firms piloting humanoids89.4Not public
8PhysicsXPhysicsX works with companies in aerospace and security, automotive, semiconductors, materials and mining, and energy.Engineering teams in aerospace, automotive and energy88.1Custom
9RiverlaneRiverlane released Deltakit as open-source quantum error correction software.Quantum computer makers adding error correction86.8Custom
10PhasecraftPhasecraft's Series B was co-led by Plural, Playground Global and Novo Holdings' Quantum Fund.Companies exploring early quantum applications85.5Custom
CURATED · UPDATED HOW WE RANK →

How to choose

Start from what you need it for. Where each entry fits best:

  • Wayve (#1): Carmakers and robotaxi operators
  • CuspAI (#2): Industrial companies searching for new materials
  • Oxford Quantum Circuits (#3): Enterprises and governments accessing quantum hardware
  • Fractile (#4): Data centres running large AI models
  • Quantum Motion (#5): Organisations wanting quantum hardware that fits data centre racks
  • Nscale (#6): AI companies that need large GPU capacity
  • Humanoid (#7): Industrial and logistics firms piloting humanoids
  • PhysicsX (#8): Engineering teams in aerospace, automotive and energy
  • Riverlane (#9): Quantum computer makers adding error correction
  • Phasecraft (#10): Companies exploring early quantum applications

Each entry's full verdict is below.

The ranking, in detail

01

Wayve

AI driving software for any vehicle

Wayve, based in London, develops embodied AI driving software for carmakers and robotaxi fleets. It raised a $1.2 billion Series D in February 2026 at an $8.6 billion post-money valuation, with investors including Microsoft, NVIDIA, Uber, Mercedes-Benz, Nissan and Stellantis.

PROS
  • Backed by carmakers and Uber
  • One AI driver across vehicle types
CONS
  • Robotaxi service not yet at scale
  • Long path to large revenue
Best for
Carmakers and robotaxi operators
Where it falls short
Robotaxi service not yet at scale.
Pick something else if
you need immediate scalable robotaxi operations.
97.2
02

CuspAI

AI for new materials discovery

CuspAI, based in Cambridge, uses AI models to design and screen new materials for industrial uses. It raised a $450 million Series B in July 2026, co-led by Kleiner Perkins and NEA, at a reported $2.6 billion valuation, with the UK Sovereign AI Fund taking part.

PROS
  • Very large funding for a young company
  • Broad coalition of industrial partners
CONS
  • Commercial results still early
  • Customer outcomes not yet public
Best for
Industrial companies searching for new materials
Where it falls short
Commercial results are still early and customer outcomes have not yet been made public.
Pick something else if
you need proven commercial results or public customer outcomes.
95.9
03

Oxford Quantum Circuits

Superconducting quantum computers

Oxford Quantum Circuits (OQC), headquartered in London, builds superconducting quantum computers for enterprise and government customers. It raised a £260 million ($350 million) Series C in June 2026, led by Bullhound Capital.

PROS
  • Systems deployed on three continents
  • Large recent funding round
CONS
  • Practical quantum advantage still ahead for most uses
  • Price not published
Best for
Enterprises and governments accessing quantum hardware
Where it falls short
It does not publish pricing, so you cannot determine costs upfront.
Pick something else if
you need transparent pricing before committing.
94.6
04

Fractile

AI inference chips

Fractile, founded in London in 2022, designs AI inference chips that place memory and compute together. It raised a $220 million Series B in May 2026, led by Accel, Factorial Funds and Founders Fund, at a reported valuation of about $1 billion.

PROS
  • Backed by top US investors
  • Targets the cost of running AI models
CONS
  • First chip not yet shipping
  • Performance claims not yet independently tested
Best for
Data centres running large AI models
Where it falls short
The first chip is not yet shipping, so immediate deployment is impossible.
Pick something else if
you need a working product today.
93.3
05

Quantum Motion

Silicon quantum computers

Quantum Motion, based in London, builds quantum computers on silicon chips made with standard CMOS manufacturing. It raised a $160 million Series C in May 2026, co-led by DCVC and Kembara.

PROS
  • Uses existing chip manufacturing
  • Large recent funding round
CONS
  • Cost and energy claims not yet proven at scale
  • Price not published
Best for
Organisations wanting quantum hardware that fits data centre racks
Where it falls short
Buyers cannot see the price because Quantum Motion has not published it.
Pick something else if
you need to know costs before committing.
92.0
06

Nscale

AI cloud and data centres

Nscale, founded in London in 2024, builds and runs data centres and GPU cloud capacity for training and running AI models. It raised a $1.1 billion Series B in September 2025.

PROS
  • Very large funding for its age
  • Capacity built for AI workloads
CONS
  • Capital-heavy business model
  • Short operating track record
Best for
AI companies that need large GPU capacity
Where it falls short
It has a short operating track record.
Pick something else if
you need a proven long-term provider.
90.7
07

Humanoid

Industrial humanoid robots

Humanoid, based in London, builds humanoid robots for industrial and logistics work. It raised a $152 million Series A in July 2026 at a $1.35 billion post-money valuation.

PROS
  • Fast rise in funding and valuation
  • Focused on industrial work
CONS
  • Early commercial stage
  • Price not published
Best for
Industrial and logistics firms piloting humanoids
Where it falls short
It is in the early commercial stage and does not publish its price.
Pick something else if
you need published pricing or a mature product.
89.4
08

PhysicsX

AI for engineering simulation

PhysicsX, headquartered in London, builds AI software that replaces slow numerical physics simulation in engineering design, testing and manufacturing. An extension from NVentures in November 2025 took its Series B to more than $155 million, valuing it at nearly $1 billion.

PROS
  • Backed by Nvidia's venture arm
  • Works across many engineering sectors
CONS
  • Customer names rarely disclosed
  • Built mainly for large enterprises
Best for
Engineering teams in aerospace, automotive and energy
Where it falls short
It is built mainly for large enterprises.
Pick something else if
you are a small business.
88.1
09

Riverlane

Quantum error correction

Riverlane, founded in Cambridge in 2016, makes quantum error correction software and hardware, including Deltaflow and Deltakit, for quantum computer makers. It raised a $75 million Series C in August 2024.

PROS
  • Works with many quantum hardware types
  • Addresses the main barrier to useful quantum computing
CONS
  • Depends on the progress of hardware makers
  • Latest funding older than peers
Best for
Quantum computer makers adding error correction
Where it falls short
Its progress depends on the pace of hardware makers.
Pick something else if
you need independent hardware development.
86.8
10

Phasecraft

Algorithms for today's quantum computers

Phasecraft, a spinout from UCL and the University of Bristol, writes hardware-agnostic algorithms that let today's imperfect quantum computers tackle real problems. It raised a $34 million Series B in September 2025.

PROS
  • Founded by university quantum scientists
  • Hardware agnostic
CONS
  • Smaller funding than hardware peers
  • Commercial use cases still emerging
Best for
Companies exploring early quantum applications
Where it falls short
Commercial use cases are still emerging, so immediate practical applications may be limited.
Pick something else if
you need proven commercial solutions today.
85.5

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Frequently asked questions

What are the best Deep Tech Startups in the UK?

Wayve ranks first on Lister. Wayve, based in London, develops embodied AI driving software for carmakers and robotaxi fleets. It raised a $1.2 billion Series D in February 2026 at an $8.6 billion post-money valuation, with investors including Microsoft, NVIDIA, Uber, Mercedes-Benz, Nissan and Stellantis.

What are the top 10 Deep Tech Startups in the UK?

1. Wayve; 2. CuspAI; 3. Oxford Quantum Circuits; 4. Fractile; 5. Quantum Motion; 6. Nscale; 7. Humanoid; 8. PhysicsX; 9. Riverlane; 10. Phasecraft.

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