Companies
3,616 companies in the AdTech ecosystem
WordStream
AcquiredSearch Advertising / PPC Management
WordStream is a leading PPC management and optimization platform that helps SMBs and agencies maximize ROI from paid search and social advertising campaigns.
Work & Co
Digital Product Design Agency
Premium digital product company acquired Jan 2024. ~400 staff; Forbes "Most Consequential Agencies" recognition. Notable for product-design discipline; clients include T-Mobile, Mailchimp, Apple Music, Mercedes-Benz. Sources: Accenture Newsroom + Ad Age.
Workato
Enterprise Software - Integration Platform as a Service (iPaaS) and Workflow Automation
Workato is an enterprise-grade integration and automation platform that enables organizations to connect applications, automate workflows, and streamline business processes without extensive coding knowledge. The platform combines the accessibility of low-code/no-code tools with the sophistication required for complex enterprise integrations, making it suitable for both technical and non-technical users. Workato's intelligent automation capabilities leverage AI and machine learning to help bu...
Workfront
Work Management / Marketing Operations
Enterprise work management platform that helps organizations manage projects, workflows, and collaboration at scale, now part of Adobe's Experience Cloud.
Worldpay
Payment Processing / Financial Technology
Global payment processing and merchant services provider offering payment acceptance solutions across online, in-store, and mobile channels.
Wowza Media Systems
Video Streaming Infrastructure
Wowza Media Systems provides video streaming software and services for live and on-demand content delivery across multiple platforms and devices.
WPP Commerce
Commerce Media & Retail Media
WPP Commerce is WPP's dedicated commerce practice, uniting retail media, shoppable content, and omnichannel commerce capabilities to help brands drive measurable sales across digital and physical retail environments.
WPP Data & Technology
Data & Technology / Marketing Intelligence
WPP's unified data and technology division, powering intelligent marketing through first-party data, AI, and a connected suite of tools across the WPP network.
WPP Japan
Integrated Marketing & Advertising Services
WPP Japan is the local arm of WPP plc, the world's largest advertising and communications group, delivering integrated marketing, creative, media, and data-driven solutions to major brands operating in Japan.
WPP Media
Media Planning, Buying & Investment
WPP Media is WPP's newly unified global media services arm, formed from the merger of GroupM agencies to deliver integrated media planning, buying, and data-driven advertising solutions at scale.
WPP OpenDoor
Programmatic Advertising / Media Buying
WPP OpenDoor is WPP's unified programmatic buying platform that consolidates media investment across major digital platforms for WPP agency clients.
WPP OpenX
AI-Powered Marketing & Advertising Services
WPP OpenX is WPP's dedicated AI-powered team built around OpenAI, designed to accelerate the adoption of AI tools and capabilities across WPP's global network of agencies and clients.
WPP plc
Advertising & Marketing Services
WPP is the world's largest advertising and communications group, offering integrated marketing, media, and technology services to global brands.
WPP Production
Content Production & Marketing Services
Global production company launched February 23, 2026, consolidating production teams across Hogarth, Ogilvy, and VML into a single 10,000-person unit. WPP committed £300M of annual investment. Led by CEO Richard Glasson, previously CEO of Hogarth. Operates as the production arm of WPP plc, serving WPP Media and creative agencies across the holdco.
Wpromote
Digital Marketing Agency / Performance Marketing
Wpromote is a leading independent digital marketing agency specializing in paid media, SEO, analytics, and creative services for mid-market and enterprise brands.
Wrapify
Out-of-Home (OOH) Advertising / Mobile Advertising
Wrapify is a rideshare and gig-driver advertising platform that transforms personal vehicles into mobile billboards through vinyl wraps and digital campaigns.
Wrike
Collaborative Work Management / Project Management Software
Cloud-based collaborative work management platform that helps teams organize, track, and manage projects and workflows in real-time.
WriterAccess
Content Marketing Technology
WriterAccess is a content creation marketplace connecting businesses with vetted freelance writers, editors, and content strategists for marketing content needs.
Wrnch
AcquiredComputer Vision / AI Analytics
Wrnch was an AI-powered human motion intelligence company that developed computer vision technology for analyzing and understanding human body movement in real time.
WSO2
Enterprise Software - API Management & Integration Middleware
WSO2 is a leading provider of open-source middleware and API management solutions that enable organizations to build, integrate, and manage their digital infrastructure. The company specializes in delivering enterprise-grade integration platforms, API management tools, and identity and access management solutions that help businesses accelerate their digital transformation initiatives. WSO2's product portfolio is built on an open-source foundation, providing flexibility and cost-effectiveness...
Wufoo
Marketing Technology / Form Builder
Wufoo is an online form builder that enables users to create custom forms, surveys, and payment collection tools without coding.
Wunderkind
Marketing Technology / Ecommerce Technology / Identity Resolution
Wunderkind is a performance-driven marketing technology platform that specializes in identity resolution and personalized engagement solutions for the ecommerce sector. The company addresses one of digital commerce's most pressing challenges: converting anonymous website traffic into identifiable, revenue-generating customers. Through proprietary identity technology and sophisticated machine learning algorithms, Wunderkind can recognize and identify up to 40% or more of anonymous website visi...
Wunderman
RebrandedDigital Marketing Agency
Global digital marketing and customer experience agency that merged with Thompson to form Wunderman Thompson, now part of VML.
Wunderman Thompson
RebrandedCreative & Marketing Services Agency
A global creative and technology agency that combines data, commerce, and experience to deliver end-to-end marketing solutions for major brands.