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.

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...

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...

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.

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...

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...

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...

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.

The leading cloud data + AI consultancy, driving business impact for the world's most ambitious businesses, through cutting-edge cloud technologies.

We passionately believe in the power of technology to make a difference. Chris and David, both software engineers, founded Beacon in 2017 to build a new kind of charity CRM using the latest technology and design principles. Now hundreds of innovative charities around the world trust Beacon to run their core technology infrastructure. Animal welfare, human rights, disaster relief, cancer support -...

Data Intellect build complete-system solutions for an array of industry applications and we’re always open to new challenges. Be it Fintech, Healthcare, Renewables or Telematics, to name a few, we love finding ingenious ways to help clients cultivate business ambitions, scale-up market offering and realize customer and investor expectations. We provide solutions to complex data problems in demanding environments for...

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....

Lakeside Software is how organizations with large, complex IT environments can finally get visibility across their entire digital estate and see how to do more with less. For far too long, IT teams have struggled to see what’s going on in their dark estate – where costly inefficiencies, poor employee experiences, and unresolved problems hide. Only Lakeside lets you give...

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...

Equinix (Nasdaq: EQIX) is the world’s digital infrastructure company™, enabling digital leaders to harness a trusted platform to bring together and interconnect the foundational infrastructure that powers their success. Equinix enables today’s businesses to access all the right places, partners and possibilities they need to accelerate advantage. With Equinix, they can scale with agility, speed the launch of digital services,...