Top Tech Companies in London (5,284)

Fusion Risk Management is recognized as the most innovative and fastest growing provider of cloud-based enterprise software for business continuity risk management, IT disaster recovery and crisis management. Fusion is transforming the industry and has been named a leader in Gartner's Magic Quadrant for Business Continuity Management software.

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,...

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 Braze, we believe in the passion of our people. We seek to ignite that passion by setting high standards, championing teamwork, and creating work-life harmony. We thrive when people add their unique perspectives to our ever-growing teams—and we strive to empower you to make an impact that fuels both you, and our business.

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...

Cloudflare, Inc. (NYSE: NET) is the leading connectivity cloud company on a mission to help build a better Internet. It empowers organizations to make their employees, applications and networks faster and more secure everywhere, while reducing complexity and cost. Cloudflare’s connectivity cloud delivers the most full-featured, unified platform of cloud-native products and developer tools, so any organization can gain the...

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...

GumGum is a contextual-first, global digital advertising platform that uses advanced AI technology to serve captivating creative ads that drive consumer attention, without the use of personal data. At GumGum, we don’t need to know who you are to deliver relevant and engaging ads that align with your active frame of mind. We believe that a digital advertising industry based...

CAIS is the leading alternative investment platform for independent financial advisors. The CAIS platform powers the pre-trade, trade, and post-trade lifecycle of alternative investments providing financial advisors and alternative asset managers a single operating system for scale and efficiency. CAIS serves over 2,000 wealth management firms that support more than 50,000 financial advisors who oversee approximately $6 trillion in end-client assets....

Verkada is the world’s largest cloud-based B2B physical security platform, offering a seamless blend of tech and safety. With six product lines — video security cameras, access control, environmental sensors, alarms, workplace systems, and intercoms — all integrated on one cloud platform, Verkada is designed for simplicity and scalability. Our real-time insights help organizations keep their spaces safe and comfortable...

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...

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...

MVF powers growth for our clients by connecting them to potential customers. The digital marketing landscape is complex and constantly evolving. Businesses need experts who are tracking that evolution and finding new ways to innovate and win. This is where MVF comes in. We match readers, buyers, & business leaders with the brands & companies that make the products and services they...

At Crunchyroll, we deliver what anime fans love—anytime, anywhere. With the world’s largest anime streaming library, we connect fans to the stories, characters, and creators they love. But Crunchyroll is more than just a destination to watch anime—it's a global ecosystem where anime lives and breathes beyond the screen. From streaming and theatrical releases to merch, games, news, events, and music, we...

Since 2012, Mirakl has been pioneering the platform economy, empowering retail and B2B enterprises with the most advanced, secure and scalable technology to digitize and expand product assortment through marketplace and dropship, improve efficiency in supplier catalog management and payments, personalize shopping experiences, and boost profits through retail media. Mirakl is trusted by Macy’s, Saks, Henry Schein, The Knot, 1800-Flowers, Best...

Snap Inc. is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. We contribute to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together.

Geneva Trading LLC is a leading proprietary trading firm with a history of consistent success in the listed derivatives markets. Over the past 20 years, we’ve grown significant capital, developed proven technology, and maintained an appetite for diversified trading strategies. We foster innovation and look for people who can solve complex problems that drive immediate results. We've built a culture of...

At Teya, we believe small, local businesses are the heartbeat of every community. Teya was founded to help small, local businesses thrive. We exist to make business smoother, simpler, and more rewarding for the people who keep our communities alive. That means exceptional support, intuitive solutions, and
a team truly invested in our Members’ success.
 To us, they’re more than customers...

Navan is the leading all-in-one business travel and expense management solution that makes travel easy for frequent travelers. From finding flights and hotels, to automating expense reconciliation, with 24/7 support along the way, Navan delivers an intuitive experience travelers love and finance teams rely on. See how Navan customers benefit and learn more at navan.com.

MarketAxess is on a journey to digitally transform one of the world's largest financial markets, enabling the shift from analog, phone-based trading to a fully electronic marketplace. Why does this matter? Because our platform makes trading fixed-income more accessible, ultimately improving transparency, efficiency and competition in the marketplace. Changing the way an established industry transacts is no easy feat. There...