Top London Big Data Companies (122)

As businesses increasingly rely on data and AI to power digital products and drive better decision-making, it's mission-critical that this data is accurate and reliable. Monte Carlo, the data + AI observability leader, is the creator of the industry's first end-to-end Data & AI Observability platform. Our mission is to enable the world's enterprises to adopt trusted AI. In 2025, Monte...

GRAIL is a healthcare company whose mission is to detect cancer early, when it can be cured. GRAIL is using the power of high-intensity sequencing, population-scale clinical studies, and state-of-the-art computer science and data science to enhance the scientific understanding of cancer biology, and to develop and commercialize pioneering products.

At Morningstar, we believe in building great products in-house in a highly collaborative, agile environment where we focus on technical excellence, the user experience, and continuous improvement. Our technologists represent a range of skills and experience levels, but they all view their work as a craft and push technology’s boundaries.

Together, we power advertising that enables billions of people to stay informed, entertained, and connected. We introduce them to new ideas, products, and services that make their lives better. And we help media owners of all sizes realize their full potential. That’s a lot — that’s the power of advertising. But it’s only possible with great technology. And that’s where Magnite...

Liftoff is a leading AI-powered performance marketing platform for the mobile app economy. Our end-to-end technology stack helps app marketers acquire and retain high-value users, while enabling publishers to maximize revenue across programmatic and direct demand. Liftoff’s solutions, including Accelerate, Direct, Monetize, Intelligence, and Vungle Exchange, support over 6,600 mobile businesses across 74 countries in sectors such as gaming, social, finance,...

Nasuni is a leading unstructured data platform for enterprises where file data is mission-critical for both people and AI. We power the operational file layer where work happens — helping organizations manage, protect, and activate data so teams can work smarter, reduce costs, and operate securely without limits. Built on a patented architecture that fuses cloud object storage with enterprise...

Celonis makes processes work — for people, companies, and the planet. Powered by process mining and AI, the Celonis Process Intelligence Platform integrates process data and business context to create a living digital twin of business operations. We enable thousands of companies worldwide to understand how their business actually runs and, together with their partners, build intelligent solutions that transform...

Rubrik (NYSE: RBRK), the Security and AI Operations Company, leads at the intersection of data protection, cyber resilience, and enterprise AI acceleration. Rubrik Security Cloud delivers complete cyber resilience by securing, monitoring, and recovering data, identities, and workloads across clouds. Rubrik Agent Cloud accelerates trusted AI agent deployments at scale by monitoring and auditing agentic actions, enforcing real-time guardrails, fine-tuning...

The database market is big. How big? Well, according to IDC, it’ll reach $153 billion by 2027. And MongoDB is at the forefront of that innovation with thousands of customers across the globe. We empower developers and businesses to build and deploy the applications they want, wherever they want.

Nexthink is the global leader in digital employee experience management. Our platform empowers IT teams with real-time visibility, analytics, and automation to proactively detect and resolve issues across any application, device, or network—before they affect employees. By shifting IT from reactive problem-solving to continuous optimization, Nexthink enables more than 1,300 organizations to create productive, seamless, and satisfying digital workplaces for...

TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record...

InterSystems builds the software that makes complex systems work—reliably, securely, and at scale. For more than 45 years, we’ve been the information engine behind some of the world’s most mission-critical applications in healthcare, government, and business. Our data management, integration, and analytics technologies help organizations connect disparate systems, turn data into insight, and deliver better outcomes. From enabling interoperable healthcare and...

Dynatrace lets customers understand their business like never before, so they can see beyond the complexity, find and fix problems faster and automate manual tasks with Al — so they can focus on what truly matters: running their business.

We’re not your typical consultancy. We don’t just say we put people first, we actually do. Our purpose is to be the consultancy clients love to work with, and people love to work for. That's why we've been recognised by Financial Times as one of the 1000 Europe's Fastest Growing Companies 2025 and one of the UK’s top Management...

Telana are experts in applied innovation, focused on delivering business outcomes through AI, data, software development, and cloud engineering expertise. Formed by the combination of Ancoris and Sundown Solutions, together we leverage our problem solving skills and end-to-end capabilities to help you create better digital experiences for your customers and employees. As a top-tier partner of Google Cloud and Microsoft, the...

FE fundinfo is a leading financial data company connecting asset managers to distributors in the UK, Europe and Asia Pacific. Through our data and intelligence, we empower the investment management industry to drive asset growth, reduce operational costs and manage risk, reducing time to market via preferred distribution channels. Our solutions help our customers manage risk, enhance operational efficiency and...

Beauhurst provides data on every private company in the UK and Germany, from fundraisings and patents to hiring status and trade data. We track high-growth companies in great detail, using our eight tracking signals. Plus, we monitor the wider startup ecosystem of investors and accelerators. We have four data platforms built specifically for different industries: BeauhurstAdvise, BeauhurstInvest, BeauhurstImpact and BeauhurstSales....

FactSet creates flexible, open data and software solutions for tens of thousands of investment professionals around the world, providing instant access to financial data and analytics that investors use to make crucial decisions. For 40 years, through market changes and technological progress, our focus has always been to provide exceptional client service. From more than 60 offices in 23 countries,...

We accelerate tech adoption through our services of Cyber Security, Cloud, IoT, Big Data, AI and Blockchain. Follow on our social media channels: • Twitter: https://twitter.com/TefTech_EN • LinkedIn Telefónica Tech AI of Things: https://www.linkedin.com/showcase/telefonicatech-aiofthings • Linkedin Telefónica Cyber Security & Cloud: https://www.linkedin.com/showcase/telefonicatech-cybersecurity-cloud • Youtube: https://www.youtube.com/user/telefonicatech • Instagram: https://www.instagram.com/telefonicatech • Twitch : https://www.twitch.tv/telefonicatech • Blog: https://business.blogthinkbig.com/telefonica-tech/

Global digital identity and fraud solutions, working to create a world where everyone can transact online with confidence Our market-leading technology, data and expertise help our customers improve digital access, deliver a seamless experience and establish trust so that they can transact quickly, safely and securely with their customers online. Headquartered in the UK and with over 1,000...