Tech Hiring Rankings

UK's Most Popular Tech Companies

The UK's most popular Tech companies of Spring 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 Spring ‘26 (Dec-Feb).
1
London, UK · Data
Opply's AI agents run operations for consumer goods brands - from sourcing to logistics to finance - freeing their teams to focus entirely on growth.
0 jobs
11 - 50
Top 1%
2
London, UK · Analytics
A revolutionary global equity analytics platform which identifies and analyses relevant data for your stocks.
0 jobs
11 - 50
Top 2%
3
London, UK · Software
Syntasso's mission is to help Platform teams thrive. For that reason, we created Kratix, a framework for building composable internal developer platforms.
0 jobs
11 - 50
Top 4%
4
London, UK · Consultancy
Empowering innovation and excellence; a trusted delivery partner for complex transformations and talent solutions.
0 jobs
11 - 50
Top 5%
5
London, UK · Machine Learning and AI
Advai Enables Trustworthy, Secure and Robust-by-Design AI. Test, Trust, Deploy.
2 jobs
11 - 50
Top 5%
6
London, UK · Machine Learning and AI
The AI Agent Platform for the world’s supply chains.
2 jobs
1 - 10
Top 5%
7
London, UK · Analytics
We help organisations across the entire data journey, using intelligence to inform business success
2 jobs
11 - 50
Top 6%
8
Brentford, UK · Consultancy
Transforming Challenges into Opportunities: Your Partner in Digital Excellence.
0 jobs
11 - 50
Top 7%
9
London, UK · Software Development
Infinite Canvas SDK
0 jobs
11 - 50
Top 8%
10
London, UK · MedTech
Changing the way we see the gut
0 jobs
11 - 50
Top 9%
11
London, UK · Internet
Voop’s mission is to protect vulnerable children in social care and foster care from harm on smartphones.
1 job
1 - 10
Top 10%
12
London, UK · Machine Learning and AI
The fastest way to design reliable electronic systems
2 jobs
11 - 50
Top 10%
13
Chepstow, UK · HealthTech
We are a health tech company empowering people to become experts on their own body through via our app using lab analysed blood tests
0 jobs
11 - 50
Top 11%
14
London, UK · Data
We build AI & Data Science Solutions that enable people and companies to thrive.
2 jobs
11 - 50
Top 11%
15
London, UK · Machine Learning and AI
The Financial Planner's AI Assistant - Save time. Focus on what matters.
0 jobs
11 - 50
Top 11%
16
London, UK · Insurance
The Actuary magazine is the official magazine of the Institute and Faculty of Actuaries (IFoA).
8 jobs
1 - 10
Top 12%
17
London, UK · Finance
Payment Processing for Trust Focused Businesses & Mission Critical Organisations of all sizes
0 jobs
1 - 10
Top 13%
18
London, UK · FinTech
Diesta is building a next generation payment processor for the worldwide insurance industry.
5 jobs
11 - 50
Top 13%
19
Cambridge, UK · Machine Learning and AI
AI-Powered Cybersecurity | DevSecOps & Anti-Cheat Solutions | Securing Software Delivery & Competitive Gaming
0 jobs
1 - 10
Top 13%
20
London, UK · Construction
Simplify, automate and optimise AEC processes
0 jobs
1 - 10
Top 13%
21
London, UK · Data
Instant Employment & Income Verification for all UK Workers
0 jobs
11 - 50
Top 14%
22
London, UK · Finance
Capsa AI is an operating system that aggregates, structures, and generates insights from company and market data.
3 jobs
1 - 10
Top 15%
23
London, UK · Software Development
At Longshot Systems we're building advanced platforms for sports betting analytics and trading.
3 jobs
11 - 50
Top 16%
24
London, UK · Machine Learning and AI
Lettings & property management AI-first platform
7 jobs
11 - 50
Top 16%
25
York, UK · Software
Transforming how recruiters assess potential at scale & educators prepare tomorrow’s talent. Powered by Human-Assist AI.
0 jobs
11 - 50
Top 16%
26
Harefield, UK · Software Development
We specialise in hosting, management, and support, offering end-to-end expertise in development projects.
0 jobs
1 - 10
Top 17%
27
UK · InsurTech
The leading insurance software platform.
2 jobs
11 - 50
Top 17%
28
London, UK · Insurance
Using Machine Learning and Automation to cure the Insurance Industry of its spreadsheet addiction.
0 jobs
11 - 50
Top 18%
29
London, UK · Real Estate
Fifth Dimension AI is ushering in a golden age of work, where boring tasks are automated away, the right data are always at your fingertips, and maximal creativity is encouraged.
0 jobs
11 - 50
Top 19%
30
Winnersh, UK · Consultancy
0 jobs
11 - 50
Top 19%
31
London, UK · MedTech
Machine learning and clinical innovation to reshape the delivery of primary care
4 jobs
11 - 50
Top 21%
32
London, UK · SaaS
Personalised AI models that understand the complete context of your work
2 jobs
1 - 10
Top 22%
33
London, UK · Data
Drive sales & marketing efficiency with commercial data unique to your value proposition.
2 jobs
11 - 50
Top 22%
34
London, UK · Marketing and Advertising
The New Era of Lead Generation Marketing.
0 jobs
11 - 50
Top 22%
35
London, UK · Insurance
An LMG initiative - Follow us for an exclusive insight into careers in the London Insurance Market
15 jobs
11 - 50
Top 22%
36
Cambridge, UK · HealthTech
The UK's Personal Physiotherapy Clinic
4 jobs
11 - 50
Top 24%
37
London, UK · Machine Learning and AI
Amid rapid advancements in AI and robotics, Kallikor bridges the gap between ambition and achievement.
0 jobs
11 - 50
Top 24%
38
London, UK · FinTech
The intelligence layer for private markets
0 jobs
1 - 10
Top 24%
39
London, UK · Energy and Utilities
Trusted carbon removals from the world's leading experts
0 jobs
11 - 50
Top 24%
40
Yeovil, UK · Software
Software engineering that transforms the way you work...
0 jobs
1 - 10
Top 25%
41
Worcestershire, UK · AgriTech
Pollution response and remediation
0 jobs
11 - 50
Top 25%
42
London, UK · Software
Deep Validation and Robustness for AI/ML Models
0 jobs
11 - 50
Top 26%
43
Banbury, UK · Technology
Using F1 technology to solve complex problems, fast.
0 jobs
11 - 50
Top 26%
44
London, UK · Hospitality
Using Openr, operators effortlessly syndicate their products, menus, venues, pricing, promotions & digital assets wherever needed and publish changes in real-time across all platforms
0 jobs
1 - 10
Top 26%
45
London, UK · Consultancy
We build shops that help you sell more online
0 jobs
11 - 50
Top 27%
46
London, UK · Machine Learning and AI
Write high-quality patents with AI
1 job
11 - 50
Top 27%
47
London, UK · Software
Xantura helps Local Authorities to improve outcomes for vulnerable people through the ethical use of data
0 jobs
11 - 50
Top 27%
48
London, UK · Software Development
to follow
0 jobs
11 - 50
Top 27%
49
UK · Software Development
The end-to-end operations autopilot for F&B manufacturers
1 job
11 - 50
Top 28%

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