AdTech & Programmatic Advertising Startups

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Roku

United States

Roku is a US connected-TV company that operates the leading streaming platform in the United States by hours streamed, reaching more than 100 million global streaming households. It sells streaming players and licenses its Roku OS to TV makers, and runs a large connected-TV advertising and content distribution business alongside The Roku Channel.

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Concord Media

United States

Concord is an agentic media-buying platform whose flagship Concord Agent turns campaign briefs into live campaigns and handles pacing, optimization and reporting across major buying platforms — DV360, Meta, YouTube, Amazon DSP, The Trade Desk, TikTok and Google Ads — through a single execution layer rather than a DSP. Built on direct API integrations, it serves agencies and advertisers within the WPP and Havas footprints, aiming to become the execution infrastructure through which large media budgets flow. The company operates out of New York and Paris.

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Precise

United States

Precise is an adtech startup that applies "decisioning economics" to programmatic and agentic advertising, measuring the cost and contribution of individual targeting, bidding, and optimization decisions while campaigns are in flight. Its flagship product, TraceScore, ingests log-level DSP data to give agencies and brands independent, audit-grade contribution scores for media segments. Founded in 2024 by former Madhive leaders including CEO Spencer Potts and Chief Architect Adam Helfgott, the company positions itself as a neutral verification layer with no incentive to steer ad spend.

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AppsFlyer

United States

AppsFlyer is a mobile marketing analytics and attribution platform that measures which digital ads drive app installs and in-app purchases, helping advertisers gauge return on ad spend while protecting user privacy and blocking ad fraud. Founded in 2011, it positions itself as an independent, unbiased measurement layer as AI increasingly automates how advertising is bought and optimized.

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Adomate

Belgium

Adomate is a Ghent-based AI platform that helps marketing and performance teams create social media ad creative at scale, combining performance data, competitor analysis and consumer-behaviour insights with human creative control. Founded in 2024 by ex-ML6 colleagues Simon Logghe and Lucas Desard, it serves over 50 customers including Loop Earplugs and operates as a Meta Verified Tech Provider and LinkedIn Verified API Partner.

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Symitri

United States

Symitri is a privacy-first adtech company building performance-marketing infrastructure for the open internet in the post-cookie era. Its flagship product, PRISM, combines a privacy firewall and data cleanroom that activate first-party data for real-time audience targeting and programmatic bidding while keeping consumer signals protected. Founded in 2023-2024 and led by CEO Bill Wheaton, the company serves direct-to-consumer brands, publishers and media buyers, and has folded in the acquired ethical-programmatic marketplace TRUSTX.

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EarnOS

Australia

EarnOS is a New York-based advertising technology company behind ero, a consumer app it bills as "the internet's reward program." Rather than paying for impressions or clicks, brands pay users real, spendable rewards for verified human actions, with engagement authenticated through privacy-preserving zkTLS cryptography so no sensitive user data is stored. The platform aims to cut bot-driven ad waste and reconnect brands with genuine audiences.

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Flyweel

Australia

Flyweel is a Queensland, Australia fintech that builds financial infrastructure for advertising spend, connecting ad platforms, CRM and accounting systems in real time so businesses can treat paid media as a measurable investment rather than an expense. Its products include Performance Capital (embedded lending that funds ad spend upfront and repays as revenue lands), spend cards and bill pay. Founded in 2025 by Reuben Scheckter and Matteo Calo, the company says it has managed more than A$110M in ad spend across nearly 1,000 businesses.

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Uncover

Brazil

Uncover is a Brazilian marketing-measurement company whose marketing mix modeling platform helps brands measure, forecast, and optimize media performance across channels and markets. A certified partner of Google's Meridian framework, it integrates with platforms like Google, TikTok, and Meta and serves large advertisers including Unilever, Reckitt, and Burger King. Founded in 2020 and already profitable, Uncover operates across Brazil, Mexico, Canada, and the United States and is the marketing-measurement market leader in Latin America.