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Companies

3,616 companies in the AdTech ecosystem

Webiny

Webiny

Webiny is an open-source serverless enterprise CMS and application development framework. It enables developers to build and deploy full-stack applications and headless CMS solutions on serverless infrastructure like AWS, offering scalability and cost-efficiency for modern web projects.

Marketing Technology
WebMD Medscape

WebMD Medscape

Healthcare Vertical Advertising

Leading healthcare professional network and medical information platform offering targeted advertising and marketing solutions to pharmaceutical and healthcare companies.

Vertical Marketing PlatformPerformance MarketingNew York, New York
Weborama

Weborama

Data Management Platform and Audience Targeting

Weborama is a European marketing technology company offering data management, audience targeting, and programmatic advertising solutions. The platform provides DMP capabilities, contextual targeting, and cookieless advertising solutions with a strong presence in France and Europe.

Data Management PlatformParis, Île-de-France
Webprofits

Webprofits

Digital Marketing Consulting & Analytics Services

Webprofits is a specialized digital growth consultancy that distinguishes itself from traditional creative marketing agencies through its scientifically rigorous, data-driven approach to digital transformation and performance optimization. Rather than operating as a conventional service provider, Webprofits functions as a strategic partner that combines deep technical expertise in analytics infrastructure with evidence-based consulting methodologies. The company focuses on delivering quantifi...

Marketing AnalyticsMarketing Agency
WebTagManager

WebTagManager

Marketing Technology (MarTech) - Tag Management

WebTagManager is a specialized software-as-a-service (SaaS) provider that delivers accessible tag management solutions designed specifically for small to medium-sized businesses. The platform addresses a critical gap in the digital marketing ecosystem by enabling marketing teams and web administrators to deploy, manage, and maintain website tracking tags, marketing pixels, and analytics scripts without requiring extensive technical expertise or dedicated developer resources. By democratizing ...

Marketing Technology
Webtrekk

Webtrekk

Acquired

Marketing Analytics & Customer Data Platform

German marketing intelligence and customer data platform provider specializing in web analytics and data-driven marketing automation.

Data & AnalyticsAttribution & AnalyticsBerlin
Webtrends

Webtrends

Digital Analytics and Personalization

Webtrends is a pioneering enterprise digital analytics and personalization platform provider that has been at the forefront of the digital intelligence space for over two decades. Founded in the mid-1990s as one of the first web analytics companies, Webtrends initially focused on log file analysis before evolving into a comprehensive digital intelligence platform. The company has strategically adapted to address contemporary challenges including first-party data strategies, privacy regulation...

Data & AnalyticsMarketing Analytics
Webtrends Optimize

Webtrends Optimize

Acquired

Conversion Rate Optimization

A/B testing and website optimization platform that enabled businesses to test and personalize digital experiences through experimentation and visitor segmentation.

Data & AnalyticsMarketing TechnologyPortland, Oregon
WeChat

WeChat

Social Media Advertising Platform

WeChat is a Chinese super-app offering messaging, social media, mobile payments, and advertising solutions, operated by Tencent.

Social Media ManagementMobile Ad PlatformGuangzhou, Guangdong
Wedia

Wedia

Marketing Technology (MarTech) - Digital Asset Management & Marketing Resource Management

Wedia is a French-founded enterprise software provider specializing in Digital Asset Management (DAM) and Marketing Resource Management (MRM) solutions for mid-to-large organizations managing complex, global marketing operations. The company's integrated platform enables enterprises to centralize, organize, and distribute digital content across multiple channels and geographies while maintaining brand consistency and compliance. Serving industries including retail, consumer goods, hospitality...

Marketing AutomationFrance, Île-de-France
Weebly

Weebly

Acquired

Website Builder / eCommerce Platform

Weebly is a user-friendly website builder and eCommerce platform, now operating as part of Square (Block, Inc.), enabling small businesses and individuals to create professional websites and online stores.

Commerce TechnologyMarketing PlatformSan Francisco, California
W

Weibo

Social Media Advertising

China's leading social media platform and microblogging network, offering powerful advertising and marketing solutions to brands targeting Chinese consumers.

Influencer MarketingSocial Media ManagementBeijing
W

Weibo Ads

Social Media Advertising

Weibo Ads is the advertising platform of Weibo Corporation, China's leading social media platform, offering brands access to over 500 million monthly active users.

Influencer MarketingSocial Media ManagementBeijing
Whalar

Whalar

Advertising Technology (AdTech) - Contextual Advertising

Whalar is an advertising technology company specializing in contextual advertising solutions designed for the privacy-first digital ecosystem. The company's platform leverages advanced artificial intelligence, machine learning, natural language processing, and computer vision technologies to analyze website content and deliver precisely targeted advertisements based on contextual relevance rather than invasive user tracking or third-party cookies. This innovative approach enables brands to co...

Contextual AdvertisingInfluencer Marketing
Whatagraph

Whatagraph

Marketing Analytics & Reporting

Whatagraph is a comprehensive marketing analytics and reporting platform that serves as critical infrastructure within the AdTech ecosystem. The company specializes in automated report generation, data visualization, and white-label reporting solutions designed specifically for advertising and marketing professionals. By consolidating data from multiple marketing channels into a unified platform, Whatagraph enables users to create customizable, professional-grade reports and dashboards that s...

Attribution & AnalyticsMarketing AnalyticsVilnius, Vilnius County
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WhatRunsWhere

Competitive Intelligence and Ad Tracking

WhatRunsWhere is a competitive intelligence platform that provides ad tracking and analysis across display, native, and mobile advertising channels.

Marketing AnalyticsVancouver, British Columbia
WhatsApp

WhatsApp

Conversational Marketing & Customer Engagement

WhatsApp is a global messaging platform offering encrypted communication services, owned by Meta Platforms, with limited advertising capabilities primarily through its Business API.

Marketing PlatformCustomer EngagementMenlo Park, California
W

WhatsApp Business Platform

Conversational Messaging / CPaaS / AdTech

Distinct enterprise product (API) vs the consumer WhatsApp Business App. Per-template/per-message billing model live July 1 2025. Powers business chat at scale.

Customer EngagementPerformance MarketingMenlo Park, California
White Ops (HUMAN)

White Ops (HUMAN)

Ad Fraud Prevention & Bot Detection

White Ops (now operating under the name HUMAN) is a cybersecurity company that specializes in the detection and mitigation of bot and other automated threats, protecting businesses from digital ad fraud, account takeover, and other malicious activities.

AI-Powered PlatformPrivacy TechnologyNew York, New York
WhiteOps

WhiteOps

Rebranded

Ad Fraud Prevention & Bot Detection

A cybersecurity and fraud detection company that rebranded to HUMAN Security, specializing in protecting digital advertising and online platforms from bot attacks and fraud.

Ad Fraud PreventionVerification PlatformNew York, New York
Whole Foods Market

Whole Foods Market

Grocery Retail

Whole Foods Market is Amazon's premium grocery subsidiary. Acquired August 28, 2017 for $13.7B. Material to Amazon Ads' offline retail-media data and Amazon's grocery delivery + Prime integration story.

W

Whooshkaa

Defunct

Podcast Hosting & Monetization

Australian podcast hosting platform acquired by Spotify 2021. Folded into Megaphone (Spotify's podcast platform) post-acquisition.

Audio AdvertisingProgrammatic PlatformSydney, New South Wales
Wibbitz

Wibbitz

Acquired

Video Technology / Content Automation

Wibbitz was an AI-powered video creation platform that enabled publishers and brands to automatically transform text content into short-form videos at scale.

Creative PlatformVideo Advertising PlatformNew York, New York
Wide Angle Analytics

Wide Angle Analytics

Defunct

Web Analytics

Wide Angle Analytics was a privacy-focused web analytics platform that provided cookie-free tracking and GDPR-compliant analytics for websites.

Data & AnalyticsMarketing Analytics