Top London AdTech Companies (257)

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,...

adMarketplace is the leader in next gen search advertising on the open web. For over two decades, adMarketplace has delivered relevant search advertising to consumers who skip the legacy search engine results page. The world's largest search advertisers drive measurably incremental results from adMarketplace's exclusive media opportunities across the internet's leading browsers, shopping apps, and editorial sites. Our mission is to...

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...

We solve for advertising campaign and creative complexities - both key elements to the time/money savings and performance that brands, agencies and businesses seek. Our unified platform combines media, creative, and intelligence, offering end-to-end workflows powered by AI across the open and closed web. With over 700 brands and advertisers, we've proven that dynamic and personalized creative makes advertising impactful. We...

Zeta Global (NYSE: ZETA) is the AI Marketing Cloud that leverages advanced artificial intelligence (AI) and trillions of consumer signals to make it easier for marketers to acquire, grow, and retain customers more efficiently. Through the Zeta Marketing Platform (ZMP), our vision is to make sophisticated marketing simple by unifying identity, intelligence, and omnichannel activation into a single platform –...

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...

Genius Sports is the layer between what happens on the field and how the world engages with it. Our solutions across the global sports ecosystem are underpinned by our next generation big data and artificial intelligence platform, GeniusIQ. By ingesting and computing multiple real-time data feeds, GeniusIQ powers a wide range of functions and applications across sports performance and officiation, fan engagement,...

GumGum is the contextual-first technology leader transforming digital advertising with AI-powered, non-invasive data and media solutions. We champion effective advertising that uplifts and respects consumers. Our proprietary Contextual, Attention, and Creative solutions create the perfect match between a brand and a consumer in the right moment and mindset. Founded in 2008, GumGum is headquartered in Santa Monica, California, and operates...

Inizio Evoke is a global health marketing, communications, and transformation platform unlocking growth through data-driven insights and human centricity. We are purpose-built to make Health more human™. With core expertise and specialty brands in Marketing, Comms, Transformation, Access, and Media, we serve as a premier partner for the world's most ambitious healthcare organizations. Inizio Evoke is an Inizio company. Inizio...

Established in 2004, we are the first and only company to design, build and run bespoke in-house agencies and ecosystems for brands. Today, we create work that delivers business growth, fame and purpose for over 200 clients in 46 countries and counting. Our unique model moves at the speed of modern business to drive change from the inside out; working smarter...

WPP is a creative transformation company. We use the power of creativity to build better futures for our people, planet, clients and communities.

Sensor Tower cultivates responsibly sourced market intelligence that provides visibility into the trends shaping the global digital economy. Our customers use these insights to help them make better business decisions. Sensor Tower data is frequently cited by top-tier trusted media institutions, including the New York Times, Bloomberg, Reuters, CNBC and more, as well as financial and academic institutions.

CH.S is an independent creative studio. Grounded in culture. Challenging conventions. Powered by original creative direction. Our multidisciplinary practice is dedicated to producing thoughtful, beautiful creative with intention and reason to exist. Transcending platform and medium, the studio’s vision is driven by a desire for craft, experimentation, collaboration, and meaningful human dialogue.

About Teads Outbrain Inc. (Nasdaq: OB) and Teads S.A. combined on February 3, 2025 and are operating under the new Teads brand. The new Teads is the omnichannel outcomes platform for the open internet, driving full-funnel results for marketers across premium media. With a focus on meaningful business outcomes, the combined company ensures value is driven with every media dollar by...

PMG is a global independent marketing services and technology company that seeks to inspire people and brands that anything is possible. Driven by shared success, PMG brings together business strategy and transformation, creative, media, and insights, all powered by our proprietary marketing operating system, Alli. With 11 office hubs worldwide, including in Dallas, Austin, Dusseldorf, London, Brighton, and New York, our...

We’re DDB Remedy. And we’re here to shake up healthcare comms for the better. Through deep partnerships, smart strategy and applied creativity, we move and inspire people to really – actually truly – make things happen. What happens here? Deep partnerships & smart strategies Through close client relationships and truly understanding their needs, we transform insights and data into effective strategies. Innovation & inspiration
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Out there, in the streets, ad space intersects time and place. It’s a part of life. OOH campaigns inform, entertain, attract - and they can change the course of someone’s afternoon. At Vistar Media, we facilitate that serendipity hundreds of thousands of times a day. Our goal is simple: to help marketers leverage OOH’s unique ability to motivate and delight....

Kingdom Collective is a communications agency sitting at the juncture of underground and mainstream culture. We’re embedded in the scenes and subcultures shaping the future. We connect our clients with cultural opinion leaders, communities and influential networks, to help them achieve genuine impact and measurable reach. Beyond awareness, we create campaigns with integrity that positively affect how people think and feel. From...

We are dentsu. We team together to help brands predict and plan for disruptive future opportunities and create new paths to growth in the sustainable economy. We know people better than anyone else and we use those insights to connect brand, content, commerce and experience, underpinned by modern creativity. We are the network designed for what’s next

At Quantum, we connect global brands with high-intent consumers. We turn intent into action and complexity into clarity. Our Mission is clear, to help smarter, faster buying decisions. Our vision, to be the world’s most used digital comparison service, delivering value and simplicity to millions. We drive growth through data-driven affiliate marketing built for performance from day one. Every campaign is measurable,...