Tech Hiring Rankings

UK's Most Popular AI Companies

The UK's most popular AI companies of Summer 2026 that are actively hiring engineers.

#
Company
Open jobs
Headcount
Overall popularity
Calculated based on total number of applications received compared with all companies in Summer ’26.
1
London, UK · Machine Learning and AI
Tomorrow’s Intelligence, Today.
11 jobs
1 - 10
Top 2%
2
London, UK · Machine Learning and AI
Sxnth.AI® AI Strategy & Delivery Partner Join the conversation at community.sxnth.ai
6 jobs
1 - 10
Top 6%
3
London, UK · Machine Learning and AI
Creating industrial AI for factory sentience
4 jobs
11 - 50
Top 8%
4
Glasgow, UK · Machine Learning and AI
Your fleets of specialized and trusted agents at scale.
1 job
11 - 50
Top 12%
5
London, UK · Machine Learning and AI
Linking data, simulations and AI
3 jobs
11 - 50
Top 13%
6
London, UK · Machine Learning and AI
British Sovereign Intelligence Operating System. On-device, post-quantum signed. 104 UK patent applications filed.
8 jobs
1 - 10
Top 18%
7
London, UK · Data
We build AI & Data Science Solutions that enable people and companies to thrive.
2 jobs
11 - 50
Top 19%
8
Oxfordshire, UK · Robotics
Enabling machines to think like humans.
5 jobs
11 - 50
Top 20%
9
London, UK · Machine Learning and AI
The intelligence layer for the energy transition
2 jobs
1 - 10
Top 20%
10
London, UK · SaaS
Catapult is the agent built to handle your most ambitious knowledge work.
2 jobs
1 - 10
Top 20%
11
London, UK · Computer and Network Security
New Threat Model New Paradigm We're Defining It
2 jobs
1 - 10
Top 24%
12
London, UK · Space
Sovereign space intelligence, AI-driven
1 job
11 - 50
Top 25%
13
London, UK · Consultancy
Parallel . Faster . Reliable
1 job
11 - 50
Top 27%
14
London, UK · Energy and Utilities
Empowering our partners with open data products to shape a clean energy future.
1 job
11 - 50
Top 29%
15
London, UK · Machine Learning and AI
The fastest way to design reliable electronic systems
2 jobs
11 - 50
Top 35%
16
London, UK · Machine Learning and AI
Design feedback made easy
1 job
11 - 50
Top 36%
17
Brighton, UK · Machine Learning and AI
Responsible AI for business impact
2 jobs
11 - 50
Top 36%
18
London, UK · Machine Learning and AI
The control layer for financial services.
1 job
1 - 10
Top 38%
19
London, UK · Machine Learning and AI
The Open Source Cowork Desktop to Unlock Your Exceptional Productivity.
3 jobs
11 - 50
Top 39%
20
London, UK · Machine Learning and AI
Advai Enables Trustworthy, Secure and Robust-by-Design AI. Test, Trust, Deploy.
2 jobs
11 - 50
Top 40%
21
London, UK · PropertyTech
All your property needs, handled.
2 jobs
11 - 50
Top 42%
22
London, UK · Machine Learning and AI
The AI operating system for drug development.
5 jobs
11 - 50
Top 43%
23
Oxford, UK · Machine Learning and AI
Tissue biomarkers to transform oncology.
1 job
11 - 50
Top 43%
24
London, UK · Machine Learning and AI
Better leads, better closing and better insight for the channel
1 job
11 - 50
Top 44%
25
London, UK · Machine Learning and AI
Real-Time AI Speech Translator into 60+ languages
3 jobs
11 - 50
Top 48%
26
London, UK · HealthTech
Automate your clinical admin with confidence.
1 job
11 - 50
Top 49%
27
London, UK · Machine Learning and AI
Building the future of physical innovation
1 job
11 - 50
Top 51%
28
London, UK · Software Development
AI built for aircraft maintenance
0 jobs
1 - 10
Top 52%
29
London, UK · Machine Learning and AI
AI simulations of societies for testing how ideas spread.
6 jobs
11 - 50
Top 52%
30
London, UK · Machine Learning and AI
TimeTrace is building the measurement layer for systems that change through time
1 job
1 - 10
Top 55%
31
Cambridgeshire, UK · Machine Learning and AI
Smarter algorithms. Optimal gains.
2 jobs
11 - 50
Top 55%
32
London, UK · Machine Learning and AI
Modelling human behaviour
1 job
11 - 50
Top 56%
33
London, UK · Machine Learning and AI
Building the evidence base for evidence-based policymaking.
0 jobs
11 - 50
Top 57%
34
London, UK · Machine Learning and AI
The Intelligent Systems Company. Co-evolving chips & intelligence.
1 job
11 - 50
Top 59%
35
London, UK · Software Development
Improved supply chain decision making using AI.
4 jobs
1 - 10
Top 60%
36
London, UK · Analytics
We help organisations across the entire Data and AI journey, using intelligence to inform business success
2 jobs
11 - 50
Top 60%
37
London, UK · Academic/Research
We are an AI Safety evals research organisation.
4 jobs
11 - 50
Top 61%
38
Bristol, UK · Machine Learning and AI
UK Sovereign AI. Decisive advantage.
1 job
11 - 50
Top 62%
39
London, UK · Media and Streaming
Building the foundational layer that lets AI create, understand, and deploy marketing content at the scale of the world.
2 jobs
11 - 50
Top 64%
40
London, UK · LegalTech
AI for Litigators
1 job
11 - 50
Top 65%
41
London, UK · Gaming
Grow your game faster
2 jobs
11 - 50
Top 66%
42
London, UK · Machine Learning and AI
Become superhuman in Excel
1 job
11 - 50
Top 67%
43
Leeds, UK · Analytics
Decision intelligence for retail.
1 job
11 - 50
Top 71%
44
UK · Machine Learning and AI
SalesAPE allows smash your sales with AI super reps.
1 job
11 - 50
Top 71%
45
London, UK · Machine Learning and AI
(formerly Carbon Re) Building industrial AI at scale
1 job
11 - 50
Top 72%
46
London, UK · FinTech
FinProm Compliance, in Seconds.
1 job
11 - 50
Top 73%

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