Companies

Undertone is a premium digital advertising platform known for its high-impact, cross-screen ad formats that blend creative storytelling with data-driven targeting.

Unifi Software was a data management and catalog platform that helped enterprises discover, understand, and govern their data assets — acquired by Boomi in 2019.

Unified ID 2.0 is an open-source, privacy-focused alternative to third-party cookies, developed by The Trade Desk, a leading advertising technology company. It aims to provide a more transparent and user-centric approach to digital advertising while maintaining the functionality of traditional cookie-based targeting.

Union Metrics is a specialized social media analytics platform that delivers comprehensive measurement, insights, and reporting solutions for brands, agencies, and marketers seeking to optimize their social media performance. The company focuses on providing actionable intelligence across major social networks including Twitter, Instagram, and Facebook, enabling organizations to move beyond surface-level vanity metrics and gain deep understanding of audience behavior, content performance, and...

Unity Ads is a mobile advertising platform integrated into the Unity game engine, enabling developers to monetize games through in-app advertising while providing advertisers access to a vast gaming audience.

Unity AR refers to Unity Technologies' augmented reality development platform and tools, part of the broader Unity real-time 3D development ecosystem.

Databricks's governance + lineage catalog. Open-sourced June 2024. Direct competitor to Snowflake's Apache Polaris.

Unity Technologies is a leading global platform provider for creating and operating interactive, real-time 3D content across multiple industries. Best known for its Unity game engine, the company has evolved into a comprehensive ecosystem serving game developers, automotive designers, architects, filmmakers, and other creators. Through strategic acquisitions including ironSource, Unity has expanded its capabilities to include advertising monetization, user acquisition, and analytics solutions...

Cross-publisher TV ad-buying platform launched Q1 2025 by Comcast Advertising on FreeWheel infrastructure. Launch partners include NBCUniversal, Fox, Paramount, Roku, Warner Bros. Discovery, A+E, AMC Networks, DIRECTV, TelevisaUnivision, Xumo. Self-service Universal Ads Manager targets SME advertisers.

Unmetric was a social media intelligence platform that benchmarked brand performance across social channels, acquired by Cision in 2019.

A real-time 3D creation platform developed by Epic Games, widely used for game development, film production, architecture, and interactive experiences.

A video advertising technology platform specializing in emotional targeting and programmatic video advertising, now operating as a subsidiary of Tremor International.

Unsplash is the world's leading platform for freely usable, high-quality photography, offering a massive library of contributor-submitted images under a permissive license.

Upfluence is an AdTech platform that helps brands and agencies discover, manage, and measure influencer marketing campaigns.

Upland Localytics is a mobile engagement and analytics platform that helps brands deliver personalized push notifications, in-app messaging, and customer insights to drive retention and revenue.

Uplift was a buy now, pay later (BNPL) fintech company that provided point-of-sale financing for travel purchases, not an AdTech company.

Uploader is a comprehensive creator management and campaign automation platform that serves as essential infrastructure for brands and agencies executing influencer marketing at scale. The platform consolidates the entire influencer marketing lifecycle into a centralized operational hub, encompassing creator discovery, relationship management, contract execution, content approval workflows, payment processing, and performance analytics across major social platforms including Instagram, TikTok...

UpToDate is a clinical decision support resource providing evidence-based medical information to healthcare professionals at the point of care.

Upwork is a leading global freelancing platform that connects businesses with independent professionals across a wide range of disciplines including software development, design, writing, marketing, customer service, and administrative support. The platform operates as a two-sided marketplace, facilitating millions of work relationships annually by providing tools for job posting, talent discovery, contract management, time tracking, and secure payment processing. With a robust vetting system...

Mobile engagement and customer experience platform providing push notifications, in-app messaging, and mobile marketing automation solutions.

Mobile deep-linking startup acquired by Pinterest 2016. Tech integrated into Pinterest mobile app discovery features.

American basic cable channel and entertainment brand; flagship of Versant's network portfolio post Jan 2 2026 spinoff. Ad inventory sold under NBCU One Platform through 2026/27 upfront cycles per May 2025 commercial service agreement.

Usabilla is a customer feedback and Voice of Customer (VoC) platform that helps enterprises collect, analyze, and act on user feedback across digital channels — now operating as part of SurveyMonkey (Momentive).