Top Quantum Companies in United Kingdom (2026 Update)
Browse Quantum companies in United Kingdom with up-to-date profiles — funding rounds, investors, hiring, and expansion signals. Find recently funded and growing companies. Updated 2026.
What changed at these 18 companies recently?
We recorded 31 changes here in the last 180 days, including 10 product launches, 8 awards, 4 funding events, 3 traction updates and 3 hiring moves. Each entry below carries the date we observed it, from public sources.
-
Quantum Dice
— New Product Launched
-
PQShield
— Award Received
-
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Oxford Quantum Circuits (OQC)
— Award Received
-
Riverlane
— Expansion Announced
-
Aegiq
— New Feature Launched
-
Oxford Ionics
— Acquired
-
Phasecraft
— New Feature Launched
Showing 18 Companies
| Company | Location | Founded | Industry | Services | Target Customers | Business Model | Revenue Model | Founders | Employees | Funding Stage | |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
GTN
Developing a new drug costs $2.9bn, GTN uses technology… |
London, United Kingd...
|
2017 |
Biotechnology
Quantum
+1
|
Domain Sales
AI Technology
|
Companies Looking For AI Solutions
Individuals Interested In Domain Purchase
|
— | — | — | — | Seed |
|
KETS Quantum Security
The Future of Secure Communications, Today |
Bristol, United King...
|
2016 |
Information Technology
Privacy and Security
+2
|
Quantum Key Distribution
Quantum Random Number Generator
+1
|
Defense Agencies
Financial Institutions
+2
|
B2B
B2G
+1
|
Product Sales
Licensing
+1
|
— | 20 | Series Unknown |
|
|
Phasecraft
The quantum algorithms company |
Bristol, United King...
|
2019 |
IT
Information Technology
+1
|
Quantum Algorithms Research And Development
Quantum IP
+1
|
Quantum Technology Researchers
Companies In Need Of Quantum Solutions
+1
|
— | — | — | 49 | Not Funded/Unknown |
|
|
Aegiq
Building Photonic Quantum Computers to Enable Tomorrow’… |
Sheffield, United Ki...
|
2019 |
AI
Cyber Security
+5
|
Design And Development Of Photonic Quantum Computers
Generation And Distribution Of On-demand Quantum Entanglement
+2
|
Researchers
Engineers
+3
|
B2B
B2G
+1
|
Product Sales
Project Based
+1
|
— | 32 | Unknown |
|
|
Riverlane
Riverlane is the world leader in Quantum Error Correcti… |
Cambridge, United Ki...
|
2016 |
IT
Information Technology
+1
|
Quantum Error Correction Hardware And Software Solutions
QEC Technology Development And Deployment
+2
|
Quantum Computer Manufacturers
Qubit Control Specialists
+3
|
B2B
Platform
+1
|
Licensing
Service Fee
+1
|
— | 213 | Series C |
|
|
Quantum Motion
Scalable Quantum Computing |
London, United Kingd...
|
2017 |
Hardware
Quantum
|
Development Of Scalable Quantum Computing Technology Using Silicon-based Integrated Circuit Technology.
|
Enterprises And Research Institutions Requiring Advanced Computing Solutions For Complex Problem-solving In Fields Such As Chemistry
Medicine
+1
|
— | — | — | 82 | Series C |
|
|
PQShield
Leading Experts in Post-Quantum Cryptography For Softwa… |
Oxford, United Kingd...
|
2018 |
Cyber Security
Quantum
|
Post-Quantum Cryptography Solutions
Cryptographic Library Development
+3
|
Semiconductor Manufacturers
Automotive Industry
+5
|
B2B
SaaS
+1
|
Licensing
Product Sales
+1
|
— | 101 | Series B |
|
|
ORCA Computing
Photonic quantum acceleration for AI datacentres. |
London, United Kingd...
|
2019 |
Hardware
IT
+1
|
Development And Deployment Of Photonic Quantum Computers
Application Of Quantum Computing For Generative AI And Optimization Solutions
+2
|
Industries Seeking Advanced Computing Solutions For Quantum Computing
Renewable Energy Companies
+3
|
— | — | — | 39 | Series A |
|
M Squared
M Squared is a photonics and quantum technology company… |
Glasgow, United King...
|
2006 |
Industrial
Manufacturing
+1
|
— | — | — | — | — | 74 | Grant |
|
Zero Point Motion
Sensors that redefine positioning and navigation 🎯 |
Bristol, United King...
|
2020 |
Quantum
|
— | — | — | — | — | 12 | Pre Series A |
|
|
Quantum Dice
Probabilistic hardware to redefine compute. |
Oxford, United Kingd...
|
2020 |
Cyber Security
IT
+1
|
Quantum Random Number Generators
Quantum Entropy As A Service (QEaaS)
+2
|
Finance And Banking Sectors
Telecommunications Industry
+3
|
B2B
SaaS
+1
|
Subscription
Usage Based
+1
|
— | 29 | Unknown |
|
Nu Quantum
Distributed Quantum Computing. |
Cambridge, United Ki...
|
2018 |
Cyber Security
Information Technology
+2
|
Quantum Network Technology Development
Modular Scaling Solutions For Quantum Processors
+1
|
Quantum Computing Industries
Data Center Operators
+3
|
B2B
Platform
+1
|
Product Sales
Project Based
+1
|
— | 80 | Series A |
|
|
Oxford Quantum Circuits (OQC)
We build quantum computers and enable life-changing dis… |
United Kingdom
|
2017 |
Hardware
IT
+2
|
Quantum-Compute-as-a-Service (QCaaS)
Cloud-Based Quantum Systems
+2
|
Finance Industry
National Security Agencies
+2
|
B2B
SaaS
+1
|
Usage Based
Subscription
+1
|
— | 160 | Series C |
|
|
Oxford Ionics
Delivering world-leading innovations to create the most… |
United Kingdom
|
2019 |
Information Technology
Quantum
|
Developing Quantum Computers
Scalable Trapped Ion Qubits
+2
|
Tech Research Institutions
Government Agencies
+2
|
— | — | — | 110 | Series Unknown |
|
|
Datagentibus
We exploit new and sustainable routes of applications f… |
London, United Kingd...
|
2019 |
Analytics
Industrial
+3
|
— | — | — | — | — | — | — |
|
dividiti
accelerating |
United Kingdom
|
2014 |
AI
API
+3
|
— | — | — | — | — | — | — |
|
Deep Learning Partnership
Providing business solutions with A.I. and quantum comp… |
London, United Kingd...
|
2012 |
AI
Information Technology
+2
|
— | — | — | — | — | 1 | — |
|
|
Exohood Labs for Profit
Research Services |
London, United Kingd...
|
2023 |
AI
Blockchain
+1
|
AI For Research, Analysis, And Automation
Private Blockchain Infrastructure
+4
|
Enterprises
Governments
+2
|
— | — | — | 36 | — |
