Companies

Tokyo-based digital agency, one of Japan's top digital practitioners. Accenture took majority stake July 2016 (~600 staff). Brand retired in 2022 Song rebrand; team is now Accenture Song Japan. Sources: Accenture Newsroom + BusinessWire.

Immuta provides a universal data security platform that enables organizations to control who can access what data, for what purpose, and under what conditions. It automates data access control, security, and privacy across various cloud data platforms, helping enterprises unlock the value of their data while ensuring compliance and mitigating risk.

Immutable is a blockchain technology company focused on NFT infrastructure and web3 gaming, not an AdTech company.

Impact is a leading enterprise-grade partnership management platform that operates at the critical intersection of AdTech and marketing technology. The company provides comprehensive solutions for discovering, recruiting, managing, and optimizing diverse partnership programs across multiple channels including traditional affiliate marketing, influencer collaborations, content creators, mobile app publishers, and strategic business partnerships. Impact's platform enables organizations to manag...

Impact.com is the leading partnership management platform, enabling brands to discover, manage, and optimize affiliate, influencer, and B2B partnerships at scale.

Imperva — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Improvado is an AI-powered marketing analytics platform that automates data aggregation from 500+ marketing sources into unified dashboards and reports for enterprise marketing teams.

Improve Digital was a leading European sell-side programmatic advertising platform that provided publishers with advanced ad management and monetization technology before being acquired by Azerion.

Inbox Army is a full-service email marketing agency specializing in strategy, design, development, and deployment. They help businesses maximize ROI from their email channels by optimizing campaigns across various ESPs and marketing automation platforms.

Cloud-based web application security and DDoS protection service, now part of Imperva's application security platform.

Marketing measurement and incrementality-attribution AdTech platform.

Indeed is the world's largest job search engine, connecting millions of job seekers with employers through sponsored job postings and recruitment advertising solutions.

IX cloud-native containerized DSP infrastructure pilot. Launched April 21 2026 (Bedrock Platform).

Index Exchange is a global advertising technology company that enables media owners and publishers to sell their digital advertising inventory to media buyers. They provide a transparent and efficient platform for programmatic advertising.

IX's curated programmatic marketplaces product launched 2024.

Customer analytics platform that was acquired by Jebbit in 2021, providing behavioral analytics and customer journey insights for product and marketing teams.

Indiegogo is a global crowdfunding platform that empowers individuals and organizations to raise money for various projects, including tech, design, creative works, and community initiatives. It provides tools for creators to launch campaigns, engage with backers, and bring their ideas to life, often serving as a launchpad for innovative products.

Infectious Media is a programmatic advertising agency and trading desk that manages display, video, mobile, and social media campaigns. They combine proprietary technology with managed service expertise to optimize programmatic media buying for brands and agencies.

Infillion (formerly Gimbal and TrueX) is a media and technology company specializing in attention-based advertising and connected TV solutions. The company offers interactive video ad formats and CTV advertising technology to maximize viewer engagement.

Influence.co is an influencer marketing platform that connects brands with social media influencers to create and manage influencer marketing campaigns.

Influencer is an AdTech Platform that connects brands with influential content creators to drive engagement and sales.