Top London Big Data Companies (193)

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.

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...

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...

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...

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,...

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.

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...

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.

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...

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.

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...

G-Research is a leading quantitative research and technology firm, with offices in London and Dallas. We hire the brightest minds in the world to tackle some of the biggest questions in finance. We pair this expertise with machine learning, big data, and some of the most advanced technology available to predict movements in financial markets. We take pride in our dynamic, flexible...

Founded in 2001, Fintricity have been at the forefront of big data, technology and digital transformation for over 15 years. Entrepreneurs at heart, we take a business-first approach to match the right blend of solutions and technologies to solve our clients’ specific business and IT challenges. Our practical, agile approach, combined with the breadth and depth of expertise across the...

Hastings Direct is a UK-based general insurance provider offering car, van, bike, and home insurance products. The company utilizes a digital-first, data-led approach to provide competitive insurance services to its customers.

CitySwift is a big data company that powers major bus networks across the globe. Since its inception, CitySwift has built the world's first Mobility Intelligence as a Service platform, offering bus network providers the precise insights they need to quickly adapt and operate their networks for efficiency, profitability, and growth. The CitySwift platform was built to break down all of...

Veeva is the global leader in cloud software for the life sciences industry. Committed to innovation, product excellence, and customer success, Veeva serves more than 1,000 customers, ranging from the world’s largest pharmaceutical companies to emerging biotechs. As a Public Benefit Corporation, Veeva is committed to balancing the interests of all stakeholders, including customers, employees, shareholders, and the industries it...

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...

Dynata is the world’s largest first-party data platform for insights, activation and measurement. With a reach that encompasses over 62 million consumers and business professionals globally, and an extensive library of individual profile attributes collected through surveys, Dynata is the cornerstone for precise, trustworthy quality data. The company has built innovative data services and solutions around its robust first-party data...