Companies
3,695 companies in the AdTech ecosystem
IBM Watson Studio
RebrandedAI/ML Platform
IBM Watson Studio is an enterprise AI and machine learning platform for building, training, and deploying models, not primarily an AdTech solution.
Ibotta
Performance Marketing / Digital Promotions
Ibotta is a performance-based marketing platform that connects brands with consumers through cash-back rewards and digital offers on everyday purchases.
Ibotta Performance Network
Shopper Marketing / Performance Promotions / Retail Media
Ibotta Performance Network is a performance-based advertising platform that connects brands with consumers through cashback rewards and digital offers across retail and CPG verticals.
iClick Interactive
Marketing Technology / Programmatic Advertising
iClick Interactive is a China-based independent marketing technology platform offering enterprise and marketing cloud solutions to brands targeting Chinese consumers.
Iconosquare
Social Media Management and Analytics Software
Iconosquare is a comprehensive social media analytics and management platform founded in 2011, specializing in Instagram and Facebook performance optimization. The company provides businesses, agencies, and social media professionals with advanced tools to track metrics, analyze audience behavior, schedule content, and manage community engagement across multiple social media accounts. Originally launched as Statigram, the platform rebranded to Iconosquare in 2013 and has since evolved into on...
iContact
Email Marketing / MarTech
Email marketing platform providing small businesses and nonprofits with tools for creating, sending, and tracking email campaigns and marketing automation.
ID5
Identity Resolution & Addressability
ID5 is a privacy-first identity platform that empowers the digital advertising ecosystem with privacy-compliant identity solutions, enabling addressability and measurement without relying on third-party cookies.
IDC
Market Research & Intelligence
IDC is a global market intelligence and advisory services firm providing research, data, and strategic guidance across technology markets including advertising technology.
Idera
Enterprise Software / Developer Tools (AdTech-adjacent)
Idera — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).
iDevAffiliate
Affiliate Marketing Software
iDevAffiliate is a specialized software provider in the affiliate marketing technology sector, offering self-hosted affiliate program management solutions for businesses requiring complete control over their affiliate marketing infrastructure. The company's flagship platform enables organizations to deploy, track, and manage comprehensive affiliate programs on their own servers, eliminating dependency on third-party hosted services while providing extensive customization capabilities. This ap...
Idomoo
Personalized Video Marketing
Idomoo is a leading personalized video platform that empowers businesses to create and deliver millions of unique, data-driven videos to individual customers. Their platform automates the entire personalized video creation process, from data integration and video generation to distribution, enhancing customer engagement and driving conversions across various industries.
IFTTT
Marketing Automation & Integration Platform
IFTTT (If This Then That) is a web-based service that allows users to create chains of conditional statements, called applets, which are triggered by changes to other web services such as social media, messaging, smart home devices, and more.
Ignite Visibility
Digital Marketing Agency
Full-service digital marketing agency specializing in SEO, paid media, social media marketing, and comprehensive online marketing strategies.
IgniteTech
Enterprise Software / MarTech / Customer Engagement
IgniteTech (parent of ESW Capital, Trilogy, Aurea, Crossover) acquires distressed enterprise software companies and stabilizes them under its operating model. Acquired Khoros from Vista Equity Partners May 2025 (undisclosed; Khoros had been on KBRA Default Radar Red List Aug 2024).
IgnitionOne
DefunctDigital Marketing Technology / Demand-Side Platform
IgnitionOne was a leading digital marketing technology platform that provided cross-channel campaign management, audience scoring, and customer intelligence solutions before being acquired and ultimately absorbed.
iHeartMedia
Audio Advertising & Broadcast Media
iHeartMedia is a leading audio media company in the United States, operating over 850 radio stations and digital audio services. It is one of the largest radio broadcasting companies in the world, reaching over a quarter of a billion monthly listeners.
iHeartMedia Podcast Network
Audio/Podcast Advertising
iHeartMedia's podcast network division that produces, distributes, and monetizes podcasts across multiple genres, leveraging iHeartMedia's extensive audio advertising infrastructure.
iHeartRadio
Audio Advertising & Streaming Media
iHeartRadio is a leading digital audio streaming platform and advertising network operated by iHeartMedia, offering live radio, podcasts, and music streaming with extensive audio advertising capabilities.
ImageKit
Digital Asset Management / Media Optimization
Imagga
Imagga is a leading provider of AI-powered image and video analysis solutions. They offer advanced computer vision APIs for automatic image tagging, categorization, content moderation, and visual search, enabling businesses to understand and organize their visual content at scale.
Imagine Communications
Broadcast Technology & Video Advertising
Imagine Communications provides video and advertising management solutions for broadcasters, MVPDs, and media companies, enabling content delivery and monetization across linear and digital platforms.
IMDb
Digital Advertising / Entertainment Media / Connected TV (CTV)
IMDb is the world's most popular and authoritative source for movie, TV, and celebrity content — and a powerful advertising platform reaching hundreds of millions of entertainment-intent audiences globally.
IMDB TV Ads
DefunctConnected TV / Streaming Video Advertising
IMDb TV Ads was Amazon's advertising product for its free, ad-supported streaming service IMDb TV, offering brands access to premium streaming video inventory before the platform was rebranded and eventually sunset.
Imgix
Digital Media & Content Delivery
Imgix is a real-time image processing and optimization platform that transforms, optimizes, and delivers images via a powerful URL-based API and global CDN.