Top list · United Kingdom
Advertising & Adtech startups in the United Kingdom
182 advertising & Adtech startups in the United Kingdom have raised money in rounds we track. These are the 50 that have raised the most, $3.0B between them, with London the most common home.
- 1
SynthesiaSynthesia is a British multinational AI company based in London, founded in 2017.Synthesia is a British multinational AI company based in London, founded in 2017.
Founded 2017London, United Kingdom$506Mlast round Jan 2026 - 2
59A59A is a marketing agency that provides media planning, branding, paid social media strategy, and digital advertising campaign services.59A is a marketing agency that provides media planning, branding, paid social media strategy, and digital advertising campaign services.
Founded 2019United Kingdom$257Mlast round Jun 2026 - 3
Kape TechnologiesKape Technologies is an online distribution and digital product hub.Kape Technologies is an online distribution and digital product hub.
Founded 2011London, United Kingdom$215Mlast round Sept 2022 - 4
InfoSumInfoSum provides a decentralized platform designed to remove the trust barriers between progress and privacy.InfoSum provides a decentralized platform designed to remove the trust barriers between progress and privacy.
Founded -Basingstoke, United Kingdom$164Mlast round Jun 2026 - 5
Two CirclesTwo Circles is an international sports and entertainment marketing agency founded in 2011, headquartered in London.Two Circles is an international sports and entertainment marketing agency founded in 2011, headquartered in London.
Founded 2011London, United Kingdom$130Mlast round Oct 2024 - 6
KindredKindred wants products, movements and campaigns that stand for something.Kindred wants products, movements and campaigns that stand for something.
Founded 2010London, United Kingdom$126Mlast round Feb 2026 - 7HuddleFounded -United Kingdom$123Mlast round Dec 2021
- 8
CerosCeros is a cloud-based, no-code platform that enables marketers, designers, and creative teams to create interactive digital experiences.Ceros is a cloud-based, no-code platform that enables marketers, designers, and creative teams to create interactive digital experiences.
Founded 2012New York, United Kingdom$120Mlast round Jul 2020 - 9
AdthenaAdthena is a competitive intelligence solution for search marketers.Adthena is a competitive intelligence solution for search marketers.
Founded 2012London, United Kingdom$110Mlast round Jul 2026 - 10
iCrossingWe are a full-service marketing and technology company that seamlessly integrates strategy, data, creativity, and innovation to accelerate transformation.We are a full-service marketing and technology company that seamlessly integrates strategy, data, creativity, and innovation to accelerate transformation.
Founded 1998New York, United Kingdom$108Mlast round Jul 2007 - 11
VelocityOur mission at Velocity is to help founders go further, faster.Our mission at Velocity is to help founders go further, faster.
Founded -Kitchener, United Kingdom$105Mlast round Sept 2026 - 12Minute MediaFounded 2017United Kingdom$100Mlast round Jan 2024
- 13
PermutivePermutive is a London-based technology company that specializes in predictive data collaboration for the open internet.Permutive is a London-based technology company that specializes in predictive data collaboration for the open internet.
Founded 2016London, United Kingdom$76Mlast round Nov 2021 - 14
OguryOgury Limited is a global adtech company founded in February 2014 and based in London, United Kingdom.Ogury Limited is a global adtech company founded in February 2014 and based in London, United Kingdom.
Founded 2014London, United Kingdom$66Mlast round Jan 2026 - 15
SproutSprout makes wholesome, ready-to-heat food for children, crafted based on nutrition science, and loved by children and busy parents.Sprout makes wholesome, ready-to-heat food for children, crafted based on nutrition science, and loved by children and busy parents.
Founded 2019United Kingdom$52Mlast round Dec 2022 - 16
MirriadMirriad's patented, AI and computer vision technology dynamically inserts products and innovative signage formats after content is produced.Mirriad's patented, AI and computer vision technology dynamically inserts products and innovative signage formats after content is produced.
Founded 2007London, United Kingdom$51Mlast round Dec 2017 - 17
SuperAwesomeSuperAwesome powers the youth digital ecosystem, bringing together proprietary ad and gaming products, audience insights and compliance capabilities to build a SuperAwesome powers the youth digital ecosystem, bringing together proprietary ad and gaming products, audience insights and compliance capabilities to build a
Founded 2013London, United Kingdom$41Mlast round Feb 2019 - 18GlobalWebIndexFounded 2012United Kingdom$40Mlast round Jul 2018
- 19
Mention MeMention Me is a London-based Customer Advocacy Intelligence Platform that helps ecommerce brands identify, acquire, and nurture their best customers.Mention Me is a London-based Customer Advocacy Intelligence Platform that helps ecommerce brands identify, acquire, and nurture their best customers.
Founded 2013London, United Kingdom$38Mlast round Dec 2022 - 20
AlertMeAlertMe helps publishers connect directly with their readers, in ways they never could beforeAlertMe helps publishers connect directly with their readers, in ways they never could before
Founded 2016United Kingdom$37Mlast round Oct 2010 - 21
RealeyesRealeyes is an innovative artificial intelligence company founded in 2007 at Oxford University, specializing in computer vision, emotion AI, and human verificatRealeyes is an innovative artificial intelligence company founded in 2007 at Oxford University, specializing in computer vision, emotion AI, and human verificat
Founded 2007London, United Kingdom$37Mlast round Jun 2019 - 22PlaybuzzFounded -United Kingdom$35Mlast round Sept 2017
- 23
8 Million Stories8 Million Stories is a digital agency specialising in content monetisation, digital strategy & brand storytelling.8 Million Stories is a digital agency specialising in content monetisation, digital strategy & brand storytelling.
Founded 2013Edinburgh, United Kingdom$34Mlast round Jan 2022 - 24
LoopMeLoopMe is focused on brand advertising, using AI, attribution, and analytics to deliver measurable outcomes.LoopMe is focused on brand advertising, using AI, attribution, and analytics to deliver measurable outcomes.
Founded 2012London, United Kingdom$32Mlast round Feb 2022 - 25
YoyoWe deliver quality digital products including websites, campaigns and brands for digital leaders who need a fresh perspective and seek a partner that can acceleWe deliver quality digital products including websites, campaigns and brands for digital leaders who need a fresh perspective and seek a partner that can accele
Founded 2008Tunbridge Wells, United Kingdom$30Mlast round Oct 2018 - 26AdmixFounded -United Kingdom$27Mlast round Oct 2021
- 27
OreconDigital Marketing & ConsultingDigital Marketing & Consulting
Founded 2013United Kingdom$24Mlast round Mar 2008 - 28
EcreboEcrebo is a retail technology company founded in 2009 or 2010, with headquarters in Reading, United Kingdom, and Chicago, Illinois.Ecrebo is a retail technology company founded in 2009 or 2010, with headquarters in Reading, United Kingdom, and Chicago, Illinois.
Founded 2010Reading, United Kingdom$23Mlast round Feb 2017 - 29
FanvueFanvue is a British AI-powered subscription social platform founded in 2020 and based in London.Fanvue is a British AI-powered subscription social platform founded in 2020 and based in London.
Founded 2021London, United Kingdom$22Mlast round Jan 2026 - 30
SwashSwash is a London-based data ecosystem founded in 2020.Swash is a London-based data ecosystem founded in 2020.
Founded 2020Prescott, United Kingdom$19Mlast round Oct 2021 - 31
AudiomobAudiomob is a leading non-intrusive in-game audio discovery platform that helps mobile game developers monetize their audiences through seamless audio advertisements.Audiomob is a leading non-intrusive in-game audio discovery platform that helps mobile game developers monetize their audiences through seamless audio advertisements.
Founded 2020London, United Kingdom$18Mlast round Mar 2026 - 32
MiappiMiappi helps brands to discover authentic consumer stories, manage the digital rights and to distribute to marketing channels and ecommerce.Miappi helps brands to discover authentic consumer stories, manage the digital rights and to distribute to marketing channels and ecommerce.
Founded 2012London, United Kingdom$18Mlast round Nov 2023 - 33
NavigatorThe Navigator Company, S.A.The Navigator Company, S.A.
Founded 2016San Francisco, United Kingdom$17Mlast round Sept 2025 - 34HYP3RFounded -United Kingdom$17Mlast round Sept 2018
- 35
more2more2 is a London-based consultancy that specializes in customer science and data-driven marketing.more2 is a London-based consultancy that specializes in customer science and data-driven marketing.
Founded 2002London, United Kingdom$17Mlast round Sept 2015 - 36
VidsyVidsy is a global online creative community and technology platform that enhances video advertising by connecting enterprise brands with a diverse network of moVidsy is a global online creative community and technology platform that enhances video advertising by connecting enterprise brands with a diverse network of mo
Founded 2015London, United Kingdom$17Mlast round Oct 2021 - 37
AdbrainAdbrain powers marketers and their partners to understand and engage with their customers 1:1 across devices, channels and platforms.Adbrain powers marketers and their partners to understand and engage with their customers 1:1 across devices, channels and platforms.
Founded 2012London, United Kingdom$17Mlast round Feb 2016 - 38
CaptifyCaptify offers a search retargeting service that enables advertisers to focus on users to match their desired audience with inventory.Captify offers a search retargeting service that enables advertisers to focus on users to match their desired audience with inventory.
Founded 2011London, United Kingdom$14Mlast round Jun 2015 - 39
VoxPopMeVoxpopme is a global consumer insights platform that leverages AI to capture, analyze, and visualize authentic video feedback.Voxpopme is a global consumer insights platform that leverages AI to capture, analyze, and visualize authentic video feedback.
Founded 2013Park City, United Kingdom$14Mlast round Sept 2019 - 40
The Exchange LabThe Exchange Lab, a digital media marketplace, delivers campaigns evaluating the audience interactions to help its clients find prospects.The Exchange Lab, a digital media marketplace, delivers campaigns evaluating the audience interactions to help its clients find prospects.
Founded 2007London, United Kingdom$14Mlast round Dec 2013 - 41
TagManTagMan, a tag management marketing data platform, helps marketers manage the complexities of web analytics, ecommerce data and e-privacy.TagMan, a tag management marketing data platform, helps marketers manage the complexities of web analytics, ecommerce data and e-privacy.
Founded 2007United Kingdom$14Mlast round Aug 2013 - 42
AuddyAuddy is a London-based audio and podcast publishing company that connects brands, organizations, and creators with targeted audiences through innovative audio solutions.Auddy is a London-based audio and podcast publishing company that connects brands, organizations, and creators with targeted audiences through innovative audio solutions.
Founded 2020London, United Kingdom$12Mlast round Feb 2025 - 43
TVSquaredTVSquared is the global leader in TV attribution.TVSquared is the global leader in TV attribution.
Founded 2012United Kingdom$12Mlast round Oct 2021 - 44
Ocean OutdoorOcean is a media advertising company specialized in designing iconic landmark large-format digital banners in super-premium locations.Ocean is a media advertising company specialized in designing iconic landmark large-format digital banners in super-premium locations.
Founded 2007London, United Kingdom$12Mlast round May 2008 - 45
YieldifyYieldify is a personalization platform that helps marketers unlock more revenue by engaging their customers with personalized experiences.Yieldify is a personalization platform that helps marketers unlock more revenue by engaging their customers with personalized experiences.
Founded 2013London, United Kingdom$12Mlast round Jun 2015 - 46
Relative InsightRelative Insight is a British technology and data analytics company founded in 2012 by Dr.Relative Insight is a British technology and data analytics company founded in 2012 by Dr.
Founded 2012London, United Kingdom$12Mlast round Mar 2022 - 47
BidstackBidstack reshapes video game monetisation with Dynamic Ad Placements that engage players and connect brands into virtual worlds responsibly.Bidstack reshapes video game monetisation with Dynamic Ad Placements that engage players and connect brands into virtual worlds responsibly.
Founded 2015London, United Kingdom$11Mlast round Oct 2022 - 48
BuyapowaBuyapowa is a London-based marketing technology company that specializes in cloud-based referral and reward marketing software.Buyapowa is a London-based marketing technology company that specializes in cloud-based referral and reward marketing software.
Founded 2011London, United Kingdom$11Mlast round May 2022 - 49
CovaticCovatic is a Birmingham-based adtech company founded in 2016, originally spun out of the University of Oxford.Covatic is a Birmingham-based adtech company founded in 2016, originally spun out of the University of Oxford.
Founded 2017Birmingham, United Kingdom$10Mlast round Jun 2026 - 50
SmartologyDigital advertising technology companyDigital advertising technology company
Founded 2010London, United Kingdom$9.5Mlast round Dec 2024
London, United KingdomCompanies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.
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WTAdvertising & Adtech startups in France82 companies · $1.5BWG5
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