AdTech startup ecosystem
We track 20 organisations in this sector across 6+ countries.
Showing 20 of 20 AdTech
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Albert Nieto
Co-founder and co-CEO of Seedtag, the contextual-advertising AI company he started in 2014 with fellow ex-Googler Jorge Poyatos. He leads commercial growth of Seedtag's cookie-free advertising platform.
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Axonista
Axonista is a Dublin-based interactive video commerce platform that enables global broadcasters, retailers, and brands to build shoppable and interactive TV experiences across streaming devices and the web. Founded in 2010 by Claire McHugh and Daragh Ward, the company powers video commerce for QVC, HSN, WaterBear, and Oxfam, and in 2024 attributed over $750 million in shoppable revenue through its platform. Axonista has made the Deloitte Technology Fast 50 Ireland for three consecutive years and partnered with Vizbee to deliver synced CTV and mobile shoppable experiences.
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Celtra
Celtra is a Slovenian adtech company focused on creative automation for digital marketing teams. Its software helps global brands and agencies produce, adapt, and distribute large volumes of campaign assets across formats, channels, languages, and audience variants without forcing design teams to recreate each asset manually. That capability matters because modern digital advertising requires massive variation in size, copy, locale, and targeting logic, and manual production quickly becomes a bottleneck. Celtra therefore sits in a high-value operational layer between creative strategy and campaign execution, helping marketing teams scale output while preserving consistency. In the European startup ecosystem, it is a strong example of B2B software built around workflow automation for brand and media teams rather than around direct media buying. It also connects naturally to localization and consumer-growth companies already in the directory, since multi-market campaigns depend heavily on structured creative production at scale.
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Cosmose AI
Cosmose AI is a Polish-founded retail-AI company that predicts offline shopping behavior for hundreds of millions of consumers across Asia and integrates with on-device advertising and rewards platforms. Founded by Miron Mironiuk in Warsaw, the company has raised funding from international investors including Tim Draper, Tencent, and Polish operator-angels Brent Hoberman and Paweł Kastory.
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DMEXCO 2026
Europe's leading digital marketing and tech expo, drawing 40,000+ martech, adtech, and e-commerce professionals to Cologne every September. DMEXCO combines a conference track with a massive expo floor where agencies, SaaS vendors, and publishers exhibit. Key topics include programmatic advertising, retail media, AI-driven personalization, and privacy-first marketing. Tickets EUR 99-499.
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Embria
Embria is an international startup builder and investor headquartered in Limassol, Cyprus, founded in 2007. The firm finds, funds, and grows technology companies from the ground up, with a focus on mobile gaming, wellness, AdTech, social platforms, and marketing technology. Embria has co-founded and invested in over 20 portfolio companies with more than 2,000 team members globally, including HypeAuditor and AdTech Holding. The company also maintains offices in Finland.
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Forum IAB 2026
Poland's flagship digital marketing, advertising, and media conference, organised by IAB Polska with 80+ talks under the DIMAQ accreditation umbrella. Valuable for martech and adtech founders, and for any startup sharpening its go-to-market — it puts you in front of agencies, brands, and media buyers.
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Forum IAB 2027
Forum IAB 2027 takes place in Warsaw on 9-10 June, organised by IAB Poland. The conference covers digital marketing, adtech, digital media and e-commerce for the Polish and CEE advertising technology industry.
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G GATE
Organiser of G GATE CONF, a large multi-vertical affiliate-marketing and business conference held at Expo Georgia in Tbilisi. The event gathers media buyers, affiliates, CPA networks, advertisers and service providers across crypto, iGaming, nutra and other performance-marketing verticals.
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G GATE CONF 2026 (June 2026)
A large multi-vertical affiliate-marketing and business conference at Expo Georgia, expecting up to 7,000 attendees across four indoor halls plus an open-air area. Verticals include crypto and finance, iGaming, nutra, dating and mVAS, with 50+ speakers, 100+ booths, a startup pitch segment, awards and a networking afterparty.
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Hunch
Hunch is a creative ads automation platform that combines AI-driven dynamic creative assembly, product-feed data science, and real-time social media placement for performance marketers. Founded in 2018 by Igor Simovic, Sinisa Rakovic, and Nikola Milenkovic, the platform enables brands and agencies to produce and personalise thousands of image and video ads at scale across Facebook, Instagram, and Google. Hunch has delivered over a billion personalised creative assets and executed more than 50,000 personalisation campaigns. The company raised a €4M Series A in 2022 led by Catalyst Romania, with participation from 3TS Capital Partners, Euroventures, SeedBlink, and South Central Ventures.
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Integrated Systems Europe (ISE) 2026
World's largest AV and systems integration expo, held at Fira Barcelona with 70,000+ attendees and 1,400+ exhibitors. Covers digital signage, immersive experiences, unified communications, and smart building technology. Strong for creative tech, AdTech, and workplace technology startups seeking enterprise and venue operator partnerships.
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Integrated Systems Europe (ISE) 2027
ISE 2027 runs 2-5 February at Fira de Barcelona Gran Via, bringing together the global AV technology and integrated systems industry. The show is easily accessible by public transport and several exhibition halls open early to give visitors more time to explore. It remains Europe's largest AV and systems integration trade show.
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Jorge Poyatos
Co-founder and co-CEO of Seedtag, the contextual-advertising AI company. A former Google executive, he co-founded Seedtag in 2014 to build privacy-first, cookie-free contextual ad technology now used across Europe, LatAm and the US.
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Seedtag
Seedtag is a contextual advertising platform that uses proprietary AI to analyse page content and match ads to reader interest without cookies or personal data. Operating across Europe, Latin America and the US, it lets brands engage audiences in a privacy-first way at scale.
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Smartly
Smartly is an AI-powered advertising platform that enables brands and agencies to automate and optimise paid social and cross-channel ad campaigns at scale. Founded in Helsinki in 2013, the platform handles creative automation, campaign management and performance analytics across Meta, TikTok, Pinterest, Snapchat, Amazon DSP and connected TV. The company serves over 700 enterprise advertisers globally and reported $221 million in annual revenue in 2026. Its AI Studio has generated nearly two million creative assets, delivering an average 27% performance lift versus static creatives.
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Spotwise.ai
Spotwise.ai is a Riga-based B2B SaaS company that automates competitive radio advertising intelligence for broadcaster sales and ad-ops teams. Its system continuously monitors hundreds of terrestrial and digital radio streams, uses audio fingerprinting and ASR to detect and transcribe every ad break, identifies the advertiser and creative, and then pushes the resulting 'who is advertising on my competitor' feed into CRM and lead-routing workflows that the broadcaster's sales team can actually action. The product is explicitly built for multilingual European markets where a single media group may operate stations in four or five languages, which is a harder technical setup than the US-centric incumbents handle well. For Baltic and CEE broadcasters, Spotwise is one of the few tools that turns ad monitoring from a manual panel-listening exercise into a live competitive-intel feed, and the company sits in the broader category of AI-enabled sales intelligence products coming out of the Riga ecosystem.
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TECHSPO
Organiser of the TECHSPO technology expo series, which brings developers, brands, marketers and technology providers together across internet, mobile, AdTech, MarTech and SaaS. TECHSPO Amsterdam is co-located with the DigiMarCon Europe digital marketing conference.
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TECHSPO Amsterdam 2026 (September 2026)
A two-day technology expo bringing together developers, brands, marketers, technology providers, designers and innovators across internet, mobile, AdTech, MarTech and SaaS. It is co-located with DigiMarCon Europe, letting attendees move between the expo floor and the digital marketing conference sessions.
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Wonderkind
Wonderkind is a Dutch recruitment-marketing technology company that automates candidate attraction on social media, prequalification, and delivery of interview-ready candidates into a company's applicant tracking system. It reports over 51% lower sourcing costs and under 48-hour candidate delivery for its clients, and counts staffing and recruitment agencies among its customers.
