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Top Tech Companies in London (7,384)

Qredo
Blockchain • Cryptocurrency • Cybersecurity
London
140 Employees

Qredo is a team of passionate, seasoned innovators in the crypto space. We've raised a war chest from some of the biggest names in crypto to build novel fintech infrastructure for crypto assets. Qredo is part of the new wave of innovations revolutionizing finance world. Our global telecoms infrastructure, Qredo Network, is a cross-chain protocol for asset managers and traders...

Qredo
Uptime App
Digital Media
London
50 Employees

Our story began with a vision: build a platform that makes knowledge accessible, affordable, and fun while also being free from negativity, doom-scrolling and advertising. That’s how we came to be Knowledge Hackers. Uptime is a creator first micro-learning platform. Creator's hack their best books, courses, documentaries, and podcasts so you can consume them easily, quickly. Uptime gives access to...

Uptime App
Vines Limited
Automotive • Retail • Manufacturing
3 Offices
1 Benefits

Vines Group is a family-owned automotive retail group established in 1980. They operate as a prominent franchise for BMW, MINI, and Motorrad vehicles, providing new and used car sales, servicing, parts, and Motability support across the Gatwick, Guildford, and Redhill regions. The company is dedicated to delivering a premium customer experience through a professional and welcoming environment, supported by a...

Vines Limited
Zipcar
Greentech • Sharing Economy • Transportation
9 Offices
400 Employees
36 Benefits
The world’s leading car-sharing network - on a mission to enable simple and responsible urban living

Zipcar is the world’s leading car-sharing network, found in urban areas and university campuses in more than 500 cities and towns. Our team is smart, creative and fun, and we’re driven by a mission – to enable simple and responsible urban living. Being a Zipcar member gives you easy access to a car nearby without all the cost and hassle...

Zipcar
Humanloop
Artificial Intelligence • Machine Learning
London
17 Employees

Humanloop enables companies to safely and effectively implement Large Language Models (LLMs) like OpenAI's GPT-4 and Anthropic's Claude in their organisations. Companies like AmexGBT, Duolingo and Gusto use the Humanloop developer platform to go faster from prototype to production application, evaluate outputs of LLMs and constantly improve them by fine-tuning models and incorporating private data. Humanloop is headquartered in London...

Humanloop
Contentive
Digital Media
5 Offices
26 Employees
13 Benefits

Contentive is a global digital media company, specialising in B2B publishing and information. We provide an engaging mix of news, events, intelligence and training across Digital Marketing, FinTech and Business Media verticals. Founded in 2012, we now have a team of 70 employees across the UK and New York and are continuing to expand. Reinventing B2B Media & Events -...

Contentive
a1qa
Artificial Intelligence • Information Technology • Professional Services • Software
14 Offices
1,000 Employees
17 Benefits
We turn quality into release confidence: 22 years, 1,500+ projects, AI-driven QE guided by human-in-the-loop gates.

a1qa is a pure-play QA and software testing company that provides comprehensive quality assurance and software testing services to global clients, helping them deliver top-rate software products and create exceptional end-user experiences.

a1qa

a1qa's Top Stability & Growth Strengths

Strong Brand Reputation: Industry recognitions and profiles point to solid credibility, including IAOP’s Global 100 (Rising Star) and consistent presence on Clutch and GoodFirms. Analyst inclusion (e.g., Everest Group assessments) and recent awards further support brand standing.

Market Expansion: Footprint expansion is visible through new and emphasized hubs (e.g., Noida in India; Poland as a key regional hub) and a broad multi-country presence. Audience growth on LinkedIn and active participation in major events signal ongoing go-to-market momentum.

Innovation-Driven Growth: Recent AI-centric offerings and accolades indicate a push toward modern, automation-led QA (e.g., Globee Silver for AI-driven testing and new AI-powered services). Company communications highlight investment in AI-augmented testing as a growth lever.

CB4
Artificial Intelligence
3 Offices
58 Employees
15 Benefits

CB4 applies patented AI algorithms to optimize retail operations and enhance customer online and offline experience. Learn what it's like to work at CB4 and meet our amazing team: https://cb4stories.medium.com/ We’re a proud independent company under the Gap Inc. family of technology companies. We’re currently hiring for dozens of roles to help build out the next generation of retail solutions. Join our team!...

CB4
Hitachi Vantara
Information Technology • Consulting
32 Offices
9,542 Employees
42 Benefits

Hitachi Vantara, a wholly-owned subsidiary of Hitachi, Ltd., guides our customers from what’s now to what’s next by solving their digital challenges. Working alongside each customer, we apply our unmatched industrial and digital capabilities to their data and applications to benefit both business and society. More than 80% of the Fortune 100 trust Hitachi Vantara to help them develop new...

Hitachi Vantara
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Sumitomo Mitsui Financial Group, Inc.
Fintech • Financial Services
4 Offices
28 Employees
21 Benefits

Sumitomo Mitsui Financial Group, inc is the holding company of SMBC, SMBC Nikko and other subsidiaries

Sumitomo Mitsui Financial Group, Inc.
Myricx Bio
Biotech
London
12 Employees

We are a UK biotech company focused on the discovery and development of a completely novel class of selective cytotoxic payloads for antibody drug conjugates (ADCs), based on inhibitors of N-myristoyltransferases (NMT) for the treatment of cancer.

Myricx Bio
OnGraph Technologies
Information Technology • Consulting
5 Offices
307 Employees

A human-centric organization that is building powerful, intuitive solutions through innovation, technology, and collective knowledge of some of the most beautiful minds over the world. OnGraph Technologies provides you with a platform to merge the physical and virtual worlds together. With our cutting-edge technology, we are one of the leading tech companies. Being top-ranked on leading platforms like Clutch, UpWork, &...

OnGraph Technologies
SG Digital
Information Technology
4 Offices
1,095 Employees
2 Benefits

Luth Research has been a market research leader since 1977 and continues to make groundbreaking advancements in next generation customer intelligence. Powered by ZQ Intelligence™ which passively captures the digital journeys of consumers across all devices, Luth creates the innovative technology and research methods required for businesses to thrive. From survey research to passively tracking digital behavior, Luth Research blends...

SG Digital
Cogstate
Biotech
4 Offices
26 Benefits

The brain is central to every aspect of our lives, yet it isn’t monitored with the same consistency and proactivity as other vital signs. As a neuroscience technology company, we believe that better brain health insights lead to better brain health outcomes. That's why we're on a mission to democratize cognitive health by radically simplifying the way it is measured. For...

Cogstate
Anything World
Artificial Intelligence • Digital Media • News + Entertainment
London
638 Employees

Anything World is a platform that allows you to play with any object you can imagine using the power of your voice. We have combined cutting edge Artificial Intelligence, Natural Language Understanding, Computer Vision and extensive 3D libraries to allow you to request, see, manipulate and experience anything you can think of. Simply say what you want, have it appear...

Anything World
MealPal
Consumer Web • eCommerce • Food • Other
3 Offices
75 Employees
20 Benefits
MealPal is changing the way lunch works!

Here at MealPal, we help customers find delicious meals in their city at an affordable rate while partnering up with restaurants to drive additional revenue & volume during their busiest hours!

MealPal
Pixated
AdTech • Marketing Tech • Professional Services
3 Offices

High-converting campaigns and eye-catching digital experiences—from the performance marketing and web design and development specialists who know the metrics that matter to you.

Pixated
Aperture (aperture.london)
AdTech • Marketing Tech • Software
London
23 Employees
Hiring Now

Aperture is a growth agency and consultancy based in London, working to grow brands focused on helping people. Founded by Hannah Parvaz in 2022, Aperture has been named Consultant of the Year x2 and has worked with brands from pre-launch to exit. Want to see what we do? Click here ?? Services: ? Performance management (Meta, TikTok, Google, ASA & more) ?...

Aperture (aperture.london)
Stack Overflow
AdTech • Artificial Intelligence • Cloud • Edtech • Enterprise Web • Productivity • Software
2 Offices
514 Employees
30 Benefits
Empowers the world to develop technology through collecting knowledge.

Stack Overflow is empowering the world to build for the future. More than 100 million people come to Stack Overflow every month making it one of the most-visited websites in the world. It’s best known for its public platform, which has attracted over 14 million users and helped developers and technologists over 50 billion times since its founding in 2008. Stack...

Stack Overflow
Egon Zehnder
Professional Services
11 Offices
3,000 Employees
7 Benefits

Egon Zehnder is the world’s preeminent leadership advisory firm, inspiring leaders to navigate complex questions with human answers. Our 600 consultants across 66 offices and 36 countries are former industry and functional leaders who collaborate seamlessly to deliver the full power of the Firm to every client, every time. We believe that together we can transform people, organizations and the...

Egon Zehnder

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