Top Tech Companies in London (7,392)

At SailPoint, we believe enterprise security must start with identity at the foundation. Today’s enterprise runs on a diverse workforce of not just human but also digital identities—and securing them all is critical. Through the lens of identity, SailPoint empowers organizations to seamlessly manage and secure access to applications and data at speed and scale. Our unified, intelligent, and extensible...

Rokt is the global leader in ecommerce, unlocking real-time relevance in the moment that matters most - The Transaction Moment. Rokt’s AI Brain and Ecommerce Network powers billions of transactions connecting hundreds of millions of customers, and is trusted to do this by the world’s leading companies including Live Nation, Macy’s, Fanatics, AMC Theatres, PayPal, Uber, Hulu, Staples, Albertsons and...

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...

Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve complexity in the cloud age by enabling digital transformation, cloud migration, and infrastructure monitoring of our customers' entire technology stacks. Built by engineers, for engineers, Datadog is used by organizations of all sizes...

Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 183,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency,...

Justworks is a cloud-based software platform that takes the busyness out of growing a business and alleviates the unknown. We've combined a simple platform and exceptional 24/7 customer service to help entrepreneurs and businesses grow with confidence by giving them access to corporate-level benefits, automated payroll, HR tools, and compliance support— all in one place.

Zynga was founded in 2007 with the vision that play would become one of the core activities on the Internet. We pioneered social games with the belief that if we could make games simple, accessible and social the world would start playing. We are excited that games have grown to become the second most popular activity by time spent, even...

Cisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network – even the ones they don’t own. Powered by AI and an unmatched set of cloud, internet and enterprise network telemetry data, ThousandEyes enables IT teams to proactively detect, diagnose, and remediate issues – before they impact end- user experiences. ThousandEyes...

Our mission is to empower exceptional lawyers. We’re building the world’s first truly collaborative AI for legal professionals: a workspace for boundless collaboration between lawyer ingenuity and machine intelligence. We're serving 1000+ clients across the globe and are backed by Bessemer Venture Partners, ICONIQ, General Catalyst, Benchmark, Redpoint, Y Combinator, and other top investors.

Flatiron Health is a healthtech company dedicated to helping cancer centers thrive and deliver better care for patients today and tomorrow. Through clinical and data science, we translate patient experiences into real-world evidence to improve treatment, inform policy, and advance research. Cancer is smart. Together, we can be smarter. Flatiron Health is an independent affiliate of the Roche Group.

Clear Street’s mission is to give every sophisticated investor access to every asset, in every market, through a unified platform built for speed, transparency and scale. We give our clients the technology, tools, and service once reserved for the largest institutions, rebuilt with modern infrastructure. Our single, cloud-native, end-to-end capital markets platform powers investor growth today and is transforming how they...

iManage is dedicated to Making Knowledge Work. Over one million professionals across 65+ countries rely on our intelligent, cloud-enabled, secure knowledge work platform to uncover & activate the knowledge that exists inside their business content and communications. We are continuously innovating to solve the most complex professional challenges & enable better business outcomes. Our work is not always easy but it...

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn’t work together. So we expanded into software and started building integrated, omnichannel solutions – to help sellers sell online, manage...

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.

SharkNinja is a global product design and technology company, with a diversified portfolio of 5-star rated lifestyle solutions that positively impact people’s lives in homes around the world. Powered by two trusted, global brands, Shark and Ninja, the company has a proven track record of bringing disruptive innovation to market and developing one consumer product after another has allowed SharkNinja...

Movable Ink personalizes every customer engagement through automation and artificial intelligence. The world’s most innovative brands rely on Movable Ink to maximize revenue, simplify workflow and achieve the optimal customer experience. Headquartered in New York City with 600 employees, Movable Ink serves its global client base with operations throughout North America, Central America, Europe, and Australia.

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...

Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market’s...

Apollo is a $1.6B AI-powered sales platform that helps revenue teams find and engage leads, automate outreach, manage deals, and enrich data — all in one place. Known for its industry-leading B2B database of more than 210 million contacts and 35 million companies, Apollo’s end-to-end platform helps businesses of all sizes unlock their full market potential with unparalleled precision and...

Samsara (NYSE: IOT) is the pioneer of the Connected Operations® Platform, which is an open platform that connects the people, devices, and systems of some of the world’s most complex operations, allowing them to develop actionable insights and improve their operations. With tens of thousands of customers across North America and Europe, Samsara is a proud technology partner to the...