Companies
3,599 companies in the AdTech ecosystem
Uplift
DefunctFinancial Technology (Not AdTech)
Uplift was a buy now, pay later (BNPL) fintech company that provided point-of-sale financing for travel purchases, not an AdTech company.
Uploadcare
Content Infrastructure / Media Management
Uploader
Marketing Technology - Influencer Marketing Management
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
Healthcare Information Technology
UpToDate is a clinical decision support resource providing evidence-based medical information to healthcare professionals at the point of care.
Upwork
Freelance Marketplace / Gig Economy Platform / Human Capital Management
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...
Urban Airship
AcquiredMobile Marketing Technology
Mobile engagement and customer experience platform providing push notifications, in-app messaging, and mobile marketing automation solutions.
URX
MergedMobile Advertising & Deep Linking
Mobile deep-linking startup acquired by Pinterest 2016. Tech integrated into Pinterest mobile app discovery features.
USA Network
Television Broadcasting & Premium Video Advertising
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
AcquiredCustomer Experience & Voice of Customer
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).
Usercentrics
Consent Management & Privacy Compliance
Usercentrics is a leading consent management platform that helps businesses comply with data privacy regulations, such as the GDPR and CCPA, by managing user consent for cookies and other data collection practices.
Userflow
Userflow is a no-code platform designed to help SaaS companies improve user onboarding and product adoption. It enables teams to create interactive in-app product tours, checklists, surveys, and resource centers without writing any code, guiding users to success and reducing churn.
Userlist
Userlist is a customer messaging platform designed for SaaS companies. It enables businesses to send behavior-based emails and in-app messages to users, facilitating better onboarding, engagement, and retention. The platform focuses on automating personalized communication to support product-led growth strategies.
Usermind
AcquiredMarketing Technology / Customer Journey Orchestration
Customer journey orchestration platform that was acquired by Aurea in 2018, enabling enterprises to coordinate and optimize multi-channel customer experiences.
Userpilot
Userpilot is a product growth platform that helps SaaS companies improve user onboarding, feature adoption, and retention without writing any code. It empowers product teams to build personalized in-app experiences like tooltips, checklists, and surveys to guide users and drive product engagement.
Userpop
DefunctMarketing Technology / Product Adoption
Userpop was a customer engagement platform that provided tools for creating in-app messages, tooltips, and user onboarding experiences.
UserTesting
AcquiredUser Research & Customer Experience
UserTesting is a leading human insight platform that enables organizations to gather real-time feedback from target audiences through video-based user research and testing.
UserVoice
AcquiredCustomer Experience / Product Management Software
UserVoice was a customer feedback and product management platform that helped companies collect, prioritize, and act on user suggestions and feature requests.
UXCam
UXCam is a mobile app analytics platform designed to help businesses understand user behavior and improve their app experience. It provides tools such as session replays, heatmaps, and user analytics to identify pain points, optimize app performance, and enhance user engagement for product teams.
Vaizle
Vaizle is a social media analytics and competitive intelligence platform designed to help businesses monitor, analyze, and benchmark their social media performance. It provides actionable insights into content strategy, audience engagement, and competitor activities across various social channels.
Valassis
Promotional Marketing & Advertising Services
A leading marketing solutions provider specializing in intelligent mail, digital media, and in-store marketing services for retailers and consumer packaged goods brands.
Valtech
Digital Transformation / MarTech & AdTech Services
Valtech is a global digital transformation agency specializing in commerce, marketing, and experience platforms, helping brands connect technology and creativity to drive business outcomes.
ValueClick
RebrandedPerformance Marketing / Affiliate Marketing / Digital Advertising
ValueClick was a leading performance-based digital advertising network that connected advertisers with publishers through cost-per-click and affiliate marketing models before rebranding as Conversant.
Varanida
DefunctBlockchain-based Advertising
Varanida was a blockchain-based advertising platform that aimed to create a transparent, fraud-free digital advertising ecosystem by rewarding users for their attention and data.
Varos
Varos is an AI-powered marketing analytics platform designed to help businesses understand and optimize their return on ad spend (ROAS). It integrates with various ad platforms and analytics tools to provide a unified view of marketing performance, identify trends, and offer actionable insights for campaign optimization.