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Companies

3,723 companies in the AdTech ecosystem

GitHub Copilot

GitHub Copilot

AI Developer Tools / Code Generation

AI-powered pair programmer launched June 2022 by GitHub (Microsoft) in partnership with OpenAI. Integrates into IDEs (VS Code, JetBrains, Visual Studio, Neovim) and provides inline code suggestions, chat-based coding assistance, and now agent-mode autonomous coding (Copilot Workspace, 2024+). Microsoft's flagship AI developer product.

GitLab

GitLab

DevOps Platform / Software Development Tools

GitLab is an open-source platform that provides a complete DevOps toolchain, including tools for source code management, continuous integration, and deployment. While not primarily an AdTech/MarTech company, GitLab's tools can be used to support various marketing and advertising workflows.

Marketing TechnologySan Francisco, California
Gladly

Gladly

Customer Service Software / Customer Experience Management

Gladly is a customer service software platform that revolutionizes traditional customer support by replacing ticket-based systems with a people-centered, conversational approach. The platform creates a single, lifelong conversation thread for each customer across all communication channels—including voice, email, SMS, chat, and social media—enabling support teams to deliver seamless, contextual, and personalized service experiences. This innovative methodology eliminates the fragmentation...

Customer Engagement
Glassbox

Glassbox

Digital Experience Analytics

Glassbox provides a digital experience analytics platform that helps businesses understand and improve their customer journeys across all digital channels. It uses session replay, AI-powered insights, and real-time data to identify friction points and optimize conversions. The platform enables businesses to gain deeper user behavior insights.

Data & AnalyticsAttribution & AnalyticsLondon, England
Glassdoor

Glassdoor

Acquired

Recruitment Advertising & Employer Branding

Glassdoor is a leading jobs and recruiting marketplace where employees anonymously review companies, salaries, and interview experiences, helping job seekers make informed career decisions.

Marketing PlatformCustomer AcquisitionMill Valley, California
Glew.io

Glew.io

E-commerce Analytics & Business Intelligence

Glew.io is a specialized e-commerce analytics and business intelligence platform that serves as a centralized data hub for online retailers managing multiple sales channels and marketing platforms. The company addresses the critical challenge of data fragmentation across disparate systems including shopping carts, payment processors, email marketing tools, advertising platforms, and fulfillment services. Through pre-built integrations and automated data consolidation, Glew.io enables merchant...

Data & AnalyticsE-commerce Marketing
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GMR Marketing

Experiential Marketing & Sponsorship Activation

GMR Marketing is a leading experiential marketing agency that creates live brand experiences, sponsorship activations, and event-driven campaigns for major global brands.

New Berlin, Wisconsin
GoAccess

GoAccess

Web Analytics & Server Monitoring

GoAccess is an open-source web log analytics solution designed for real-time monitoring and analysis of web server traffic. Operating as a terminal-based interactive viewer, it provides system administrators, developers, and DevOps professionals with immediate insights into traffic patterns, visitor behavior, and performance metrics without requiring complex setup or external dependencies. The software processes log files directly on servers, delivering fast, lightweight analysis while mainta...

Data & Analytics
GoDaddy Ads

GoDaddy Ads

SMB Marketing Automation

GoDaddy operates an advertising platform for small businesses, offering social media advertising, search marketing, and email marketing tools. The platform is integrated with GoDaddy's website and domain services to help small businesses manage their digital marketing.

Vertical Marketing PlatformTempe, Arizona
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Golf Channel

Sports Media & Advertising

Golf-focused cable channel; anchors Versant's USA Sports vertical alongside GolfNow + GolfPass. Versant Media Group subsidiary post-Jan 2026 spinoff.

Marketing TechnologyOrlando, Florida
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Golin

Public Relations & Integrated Communications

Golin is a global public relations and integrated communications agency known for its data-driven approach and 'Relevance Model' framework, serving major brands across earned, owned, paid, and shared media.

Marketing AgencyChicago, Illinois
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Goodby Silverstein & Partners

Creative Advertising Agency

Award-winning creative advertising agency known for iconic campaigns for brands like Got Milk?, Budweiser, and Chevy, operating as part of Omnicom Group.

Creative PlatformMarketing AgencySan Francisco, California
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Goodstuff

Media Agency

UK media agency within Stagwell; acquired Jan 2022. Independent-spirit positioning within the Brand Performance Network umbrella (formerly Stagwell Media Network).

Google

Google

Acquired

Digital Advertising / Ad Tech

Google is a multinational technology company and the world's dominant digital advertising platform, operating the largest search engine and extensive ad tech infrastructure.

Demand Side Platform (DSP)Ad ExchangeMountain View, California
Google Ad Manager

Google Ad Manager

Ad Serving & Publisher Monetization

Google's enterprise-grade ad serving and monetization platform, enabling publishers and broadcasters to manage, serve, and optimize digital advertising across all screens and formats.

Supply Side Platform (SSP)Ad ServerMountain View, California
Google AdMob

Google AdMob

Acquired

Mobile In-App Advertising & Monetization

Google's mobile app monetization platform that enables app developers to earn revenue through in-app advertising and mediation.

Mobile Ad PlatformAd NetworkMountain View, California
Google Ads

Google Ads

Search & Display Advertising

Google's flagship digital advertising platform enabling businesses to display ads across Google Search, YouTube, and millions of partner websites through pay-per-click and display advertising.

Attribution & AnalyticsDemand Side Platform (DSP)Mountain View, California
Google Ads Data Hub

Google Ads Data Hub

Data Clean Room / Privacy-Safe Measurement

Google's privacy-safe measurement and analytics platform that enables advertisers and publishers to analyze campaign performance using event-level data within a secure, privacy-preserving environment.

Data & AnalyticsAttribution & AnalyticsMountain View, California
Google AdSense

Google AdSense

Publisher Monetization / Contextual Advertising

Google's advertising platform that enables website publishers to monetize their content by displaying targeted text, image, video, and interactive ads.

Native AdvertisingAd NetworkMountain View, California
Google AI

Google AI

AI-Powered Advertising Technology

Google's artificial intelligence research and development division, creating AI technologies that power Google's products and services including advertising platforms.

Attribution & AnalyticsAI-Powered PlatformMountain View, California
Google Analytics

Google Analytics

Analytics & Measurement

Google's web analytics platform that tracks and reports website traffic, user behavior, and marketing campaign performance.

Data & AnalyticsMarketing AnalyticsMountain View, California
Google BigQuery

Google BigQuery

Data Infrastructure & Analytics

Google's serverless, highly scalable, and cost-effective multi-cloud data warehouse designed for business agility, enabling fast SQL analytics over large datasets.

Data & AnalyticsAttribution & AnalyticsSunnyvale, California
Google Chromecast

Google Chromecast

Connected TV / Streaming Media Devices

Google's streaming media adapter that casts content from mobile devices and computers to TVs, enabling digital content delivery and advertising opportunities.

Connected TV PlatformVideo Advertising PlatformMountain View, California
Google Cloud CDN

Google Cloud CDN

Cloud Infrastructure/Content Delivery

Google's global content delivery network service that accelerates web and video content delivery using Google's globally distributed edge points of presence.

Marketing TechnologyMountain View, California