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Top London Marketing Tech Companies (294)

Artificial Intelligence • Digital Media • eCommerce • Marketing Tech • Software
9 Offices
500 Employees

Rokt is the global leader in ecommerce technology, enabling companies to drive incremental value from every transaction by unlocking relevant messages at the moment customers are most likely to convert. Rokt’s machine learning platform, built over the last 10 years, and scaled network powers billions of global transactions annually for the world’s leading companies, including Live Nation, AMC Theatres, PayPal, Uber, Hulu, Staples, GoPuff, Lands’ End, and HelloFresh. Headquartered in New York City, the company operates in 15 countries across North America, Europe and the Asia-Pacific region and has been recognized as one of the fastest-growing private companies in the US by Inc. for the last 3 years in a row. To learn more, visit Rokt.com.


AdTech • Big Data • Digital Media • Marketing Tech
16 Offices
900 Employees

Integral Ad Science (IAS) is a leading global media measurement and optimization platform that delivers the industry’s most actionable data to drive superior results for the world’s largest advertisers, publishers, and media platforms. IAS’s software provides comprehensive and enriched data that ensures ads are seen by real people in safe and suitable environments, while improving return on ad spend for advertisers and yield for publishers. Our mission is to be the global benchmark for trust and transparency in digital media quality. For more information, visit integralads.com.


AdTech • Digital Media • Marketing Tech
16 Offices
5,000 Employees

Comcast Advertising is driving the TV advertising industry forward, from delivering ads to linear and digital audiences to pioneering the tech that makes it possible. We help brands connect with their audiences on every screen using advanced data. Just as important as our work is our inclusive and supportive culture, which has earned us recognition as one of the top ten places to work by Great Place to Work.


AdTech • Digital Media • Marketing Tech • Other
3 Offices
173 Employees

adMarketplace is the leader in 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 shape the consumer journey with relevant search advertising and measure media value transparently across diverse moments of consumer intent.


AdTech • Artificial Intelligence • Digital Media • Marketing Tech • Social Media • Software • Generative AI
7 Offices
805 Employees

Smartly is the leading AI-powered advertising technology company transforming ad experiences for brands and their consumers. Our comprehensive advertising platform seamlessly integrates the capabilities of media, creative, and intelligence to power more than 800 billion impressions and generate more than 300 billion creatives annually, delivering tangible business outcomes for brands and advertisers. We are the only company managing creative and media for 600+ brands worldwide and $5B in ad spend across the largest media platforms, including Facebook, Google, Instagram, Pinterest, Snap, and TikTok. Our end-to-end technology, unmatched access to media platforms and exceptional customer service help Fortune 500 brands and advertisers to reach and engage consumers and learn what performs best. Visit Smartly.io to learn more.


AdTech • Marketing Tech
17 Offices
550 Employees

As a leading independent ad tech platform, we provide brand and privacy-safe solutions that empower our clients to achieve maximum results. We offer the market an independent ad server, SSP, buyer tools, media services, and more.

 This combination of engineering excellence and client expertise helps us serve the interests of both the supply-side and the demand-side with equal professionalism and technical sophistication. 

 And, as we work toward fulfilling on the promise of advertising technology, we also keep the consumer and their rights in mind in all we do Our objective? Disrupt the digital advertising industry through high-performance solutions, innovative formats, and exceptional quality. Our pride? A global and diverse team that flourishes through a corporate culture advocating ownership and who live through three essential values: Be brave, Be thoughtful, Be together.


Artificial Intelligence • Marketing Tech • Software
7 Offices
590 Employees

Movable Ink helps businesses earn attention in a world where time is precious and creativity is power by activating any data into personalized content in any customer engagement. The world's most innovative brands rely on Movable Ink to accelerate their marketing performance. Headquartered in New York City, Movable Ink and its more than 550 employees serve its global client base from operations throughout North America, Central America, the United Kingdom, Europe, Australia, and Japan. Learn more at movableink.com


AdTech • Digital Media • Marketing Tech
6 Offices
545 Employees

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 on context rather than personal data builds a more equitable and less invasive future for the internet and is better for consumers, publishers and advertisers alike. Our blueprint for the future, The Mindset Matrix™, combines the power of context and creative in digital advertising to deliver superior attention and drive consumer action without sacrificing personal data. To be a part of this next phase of digital advertising that prioritizes data privacy, please visit www.gumgum.com/careers


AdTech • Enterprise Web • Information Technology • Machine Learning • Marketing Tech • Sales
5 Offices
300 Employees

OpenX is focused on unleashing the full economic potential of digital media companies. We do this by making digital advertising markets and technologies that are designed to deliver optimal value to publishers and advertisers on every ad served across all screens.


AdTech • Artificial Intelligence • Machine Learning • Marketing Tech • Software • Sports • Big Data Analytics
13 Offices
1,800 Employees

From enabling sports to better collect and manage their data, to applying it to power better fan engagement, our technology and expertise delivers the difference to more than 700 sports, betting and media partners around the world. Founded in 2001, Genius Sports is now one of the world’s largest sports technology companies with over 1,800 employees. We're headquartered in London and have offices in New York, LA, Medellin, Tallinn, Sofia, Melbourne, Bologna, Vilnius, Lausanne and Singapore.


Agency • Gaming • Marketing Tech • Mobile • Analytics
9 Offices
2,300 Employees

tms unites technology and marketing and sourcing to drive transformational change for the world’s leading brands. With 1200+ employees across 26 countries, we offer an impressive range of solutions — from inspiration and innovation to category management and delivery. ​ Headquartered in Chicago with 10 offices worldwide, we are responsible for some of the world’s most successful and iconic long-term marketing platforms, including McDonald’s Happy Meal and MONOPOLY programs. Operating as a creative agency, a strategic consultancy and a technology provider, we engage with over 110 million customers every single day for clients including McDonald’s, adidas, T-Mobile, Starbucks, Vue and O2.


AdTech • Artificial Intelligence • Marketing Tech • Software • Analytics
12 Offices
2,194 Employees

Zeta Global (NYSE: ZETA) is the AI-Powered 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 – powered by one of the industry’s largest proprietary databases and AI. Our enterprise customers across multiple verticals are empowered to personalize experiences with consumers at an individual level across every channel, delivering better results for marketing programs. Zeta was founded in 2007 by David A. Steinberg and John Sculley and is headquartered in New York City with offices around the world.


AdTech • Digital Media • eCommerce • Marketing Tech • Sales
2 Offices
500 Employees

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 need. We do this by building relationships with potential customers at each stage of the marketing funnel by offering insights, information, and tools to help them learn more about the things they’re interested in. We build profiles on our audiences, guide them through purchase decisions, and ultimately connect them to the right products/services when they are ready to buy. Our clients trust us as experts in lead generation, which frees up their time to do what they do best.


eCommerce • Information Technology • Marketing Tech • Social Media • Software
6 Offices
356 Employees

CreatorIQ is the most trusted influencer marketing platform for organizations looking to advance their creator marketing. Its enterprise-grade technology and industry-leading intelligence facilitate faster and safer creator discovery, unify complex workflows, and power robust reporting, while ensuring compliance and brand safety. Thousands of the world’s most innovative brands and agencies use CreatorIQ, including Logitech, Movers+Shakers, Nestlé, RQ, Sephora, Unilever and more.


Digital Media • eCommerce • Enterprise Web • Marketing Tech • Software • Design • SEO
6 Offices
210 Employees

Duda is the leading white label web building platform for digital agencies, SaaS platforms, and web professionals offering web design services to SMBs. Powering more than 1 million websites, Duda offers web professionals a comprehensive suite of tools to build pixel-perfect, feature-rich websites efficiently and at scale.


Consumer Web • Marketing Tech
3 Offices
652 Employees

You know us better than you think! Our mission is to empower people to make confident decisions. With our unique set of brands we have the best of both worlds; the excitement of a startup and the strength of well established, trusted household names. Uswitch.com is the UK’s top comparison website for home services switching, helping consumers save money on their gas, electricity, broadband, TV and phone. Confused.com is the longest-running insurance comparison platform in the UK, pioneering the way consumers make choices about financial services. Tempcover was built on the idea that insurance could be different and could fit around you and your needs. We try to remove the frustration of traditional insurance and develop quicker, easier and more innovative ways to get you covered and back on the road. Money.co.uk is one of the UK’s leading comparison websites for financial services. Consumers can compare loans, credit cards, bank accounts and insurance from more than 600 providers. Mojo Mortgages brings together smart tech and the best human mortgage experts to empower more consumers to access personalised mortgage recommendations. We have the power to reach millions of consumers, solving everyday complex problems through outstanding experiences


AdTech • Marketing Tech
7 Offices
90,589 Employees

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


AdTech • Marketing Tech
London, England
138 Employees

Snowplow empowers organizations to generate trustworthy, first-party customer data to power Marketing and Advertising performance. 1.9+ million sites and applications use Snowplow to generate and model first-party customer data from across their digital interfaces to capture descriptive customer journeys and build actionable first-party behavioral profiles. Purposely designed for the data platforms as a single source of truth; marketers, data teams and CDPs can activate Snowplow data across Customer 360, personalization and ML use cases. With Snowplow, organizations like Strava, Autotrader, and Software.com reach, engage and win customers, while retaining an industry-leading data governance posture, with full GDPR and CCPA compliance.


AdTech • Marketing Tech
London, England
75 Employees

Founded in 2012, Zeo Agency is an international SEO and digital marketing agency that provides SEO (search engine optimization), SEM (search engine marketing), performance marketing and content marketing services to more than 100 clients actively. In 2014, Zeo also founded icerik.com that creates innovative, and magnetic content that engages customers’ target audience. Expanding its services in years, Zeo has developed seo.do, world’s first AI-powered rank tracking tool. Zeo has three offices which are located in Istanbul, Ankara and London. While digital marketing consultancy is operated in Istanbul and London, the R&D studies are conducted at Ankara. Digitalzone Every October, Zeo organizes Digitalzone, the largest digital marketing conference of Eastern Europe and MENA, bringing together valuable speakers and more than 800 participants for two days in Istanbul. (for further information please visit: https://zeo.org/digitalzone/en/) Approach We’re marketing scientists who love SEO and digital marketing to bits, passionately building smart data analysis and creative ideas! Our skilled team of professionals conform to a set of core values to guarantee that we provide unparalleled digital search marketing services to each client. Our approach is ethical, our strategies are bespoke, our tactics are transparent and we understand that success only happens by engaging both humans and search engines. Awards European Search Awards 2023 / Winner -Most Innovative Campaign: icerik.com & Medicana MENA Search Awards 2022 / Winner -Best Use of Search: Zeo & RSS Interactive -Best Low Budget Campaign: Zeo & Armağan Oyuncak European Search Awards 2022 / Winner -Best Low Budget Campaign (SEO): Zeo & Ajansspor UK Search Awards 2019 / Winner -Best Health Campaign: Zeo & Acıbadem MENA Search Awards 2017 / Winner -Best Large SEO Agency: Zeo Agency -Young Search Personality: Mehmet Aktug -Best Local Campaign: Zeo & Enerjisa -Best Content Marketing: Zeo & Yemek.Com


AdTech • Marketing Tech
3 Offices
2,009 Employees

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 to make our clients’ money go further, and helping them build better solutions, systems and brands. Client solutions include Unilever’s U-Studio (a platform used by almost three-quarters of Unilever's brands globally), adidas’ off-shore hub and PepsiCo’s global digital team.