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Companies

3,613 companies in the AdTech ecosystem

E-Planning

E-Planning

Ad Tech - Supply-Side Platform & Ad Serving

E-Planning is a Latin American ad tech company providing ad serving, programmatic, and yield management solutions for publishers and advertisers. The platform offers a full-stack ad tech solution including SSP, ad server, and header bidding capabilities with strong presence in LatAm markets.

Supply Side Platform (SSP)Buenos Aires
E

E!

Television Broadcasting / Media & Entertainment Advertising

Entertainment cable channel covering pop culture, celebrity, and lifestyle programming. Versant Media Group subsidiary post-Jan 2026 spinoff.

Contextual AdvertisingInfluencer MarketingLos Angeles, California
Easil

Easil

Acquired

Creative Technology / MarTech

Cloud-based design platform that enabled teams to create on-brand marketing materials and social media content through customizable templates.

Creative Management PlatformCreative PlatformBrisbane, Queensland
Easyship

Easyship

E-commerce Logistics & Shipping Technology

Easyship is a cloud-based shipping and logistics management platform that serves as critical commerce infrastructure for e-commerce businesses worldwide. Founded to address the complexities of international and domestic shipping, the company provides a unified dashboard that connects online retailers with multiple courier services, automates customs documentation, and delivers transparent pricing comparisons across carriers. The platform's comprehensive approach to shipping management enables...

Commerce TechnologyE-commerce MarketingHong Kong
eBay

eBay

Retail Media / E-Commerce Advertising

eBay is a global e-commerce marketplace and retail media network offering advertisers access to hundreds of millions of active buyers through its self-serve and managed advertising solutions.

Retail Media PlatformPPC ManagementSan Jose, California
eBay Advertising

eBay Advertising

Retail Media

eBay's retail media advertising platform enabling brands and sellers to reach high-intent shoppers across eBay's global marketplace through sponsored listings and display advertising.

Retail Media PlatformPerformance MarketingSan Jose, California
eClincher

eClincher

Social Media Management

eClincher is a leading player in the social media management sector of the advertising technology ecosystem.

Social Media ManagementMarketing PlatformSan Diego, California
E

Ecosia

Search Advertising

Ecosia is a search engine that uses ad revenue to plant trees, positioning itself as an environmentally-focused alternative to traditional search engines.

Contextual AdvertisingPrivacy-First AdvertisingBerlin, Berlin
Ecwid

Ecwid

E-commerce Platform

E-commerce platform that enables businesses to add online stores to existing websites, social media pages, and marketplaces.

Commerce TechnologyE-commerce MarketingSan Diego, California
e

ecx.io

Merged

Digital Agency

Düsseldorf digital agency acquired by IBM March 2016 and rebranded into IBM iX. Brand sunset in joint 2018 announcement with Aperto. Sources: IBM newsroom acq announcement + 2018 joint rebrand.

E

Edelman

Public Relations & Integrated Marketing Communications

Edelman is the world's largest independent public relations and communications firm, offering integrated marketing, PR, and brand strategy services to global enterprises.

Marketing AgencyChicago, Illinois
Edgecast

Edgecast

Acquired

Content Delivery Network (CDN) / Edge Cloud

Edgecast was a leading CDN and edge cloud platform provider that delivered content delivery, security, and streaming solutions before being acquired and eventually rebranded as part of Limelight Networks' transformation into Edgio.

Video TechnologyLos Angeles, California
Edgio

Edgio

Defunct

Content Delivery Network / Edge Computing / Video Streaming Infrastructure

Edgio is a global edge-enabled software platform spanning content delivery, web applications, and edge video. The company was formed in June 2022 when Limelight Networks completed its acquisition of Yahoo's Edgecast (valued at $300M) and rebranded the combined entity. Edgio operates a global CDN footprint and serves AdTech publishers requiring low-latency video delivery and edge security.

Video TechnologyScottsdale, Arizona
EDO

EDO

TV Advertising Measurement & Analytics

EDO is a TV outcome measurement company that links real-time engagement signals (search, social, web visits) to TV ad creative, brand, and program data. Founded in 2015 by Daniel Nadler and actor-investor Edward Norton; headquartered in New York City. Its measurement product is integrated into NBCU's Performance Insights Hub (CES 2026).

Attribution & AnalyticsVerification & MeasurementNew York City, New York
Effectv

Effectv

Rebranded

Advanced TV Advertising / Addressable TV

Effectv was Comcast's local and national advanced TV advertising sales business, operating under the Comcast Advertising umbrella. It provided audience-based targeting and cross-screen advertising solutions across linear TV, streaming, and digital inventory. Effectv was rebranded as Comcast Advertising Media Solutions, which now carries forward its operations within the Comcast Advertising portfolio.

Connected TV PlatformLocal AdvertisingNew York, New York
Elastic

Elastic

Search and Analytics Infrastructure / Observability

Elastic is a leading provider of search-powered analytics infrastructure solutions, best known for its flagship Elastic Stack (formerly ELK Stack) comprising Elasticsearch, Logstash, and Kibana. The company delivers enterprise-grade search, observability, and security solutions that enable organizations to extract actionable insights from massive volumes of structured and unstructured data in real-time. Elastic's distributed, RESTful search and analytics engine powers mission-critical applica...

Data & AnalyticsMountain View, California, USA
Elastic Email

Elastic Email

Email Service Provider (ESP) / Marketing Technology

Elastic Email is a cloud-based email delivery and marketing automation platform that serves as a comprehensive solution for businesses requiring both transactional email infrastructure and marketing campaign capabilities. Founded as an alternative to premium email service providers, the company has positioned itself as a cost-effective yet powerful option for organizations of all sizes, from startups to enterprises. The platform combines SMTP relay services, RESTful API integration, and a ful...

Email MarketingMarketing AutomationIrvine, California
Elastic Path

Elastic Path

E-commerce Technology / Headless Commerce / Composable Commerce

Elastic Path is a leading provider of headless commerce solutions that enables enterprises and mid-market businesses to create flexible, scalable, and personalized shopping experiences across multiple channels. By decoupling the front-end presentation layer from the back-end commerce engine through an API-first architecture, Elastic Path empowers organizations to innovate rapidly on customer-facing experiences while maintaining robust commerce functionality. The platform allows businesses to ...

Commerce TechnologyMarketplace Technology
E

Eloqua

Acquired

Marketing Automation / B2B MarTech

Eloqua is Oracle's B2B marketing automation platform, enabling enterprise marketers to orchestrate complex, data-driven campaigns across multiple channels.

Redwood City, California
EmailOctopus

EmailOctopus

Email Marketing

EmailOctopus is an email marketing service designed to help businesses and creators send newsletters, marketing campaigns, and automated emails. It offers an intuitive platform with features like drag-and-drop email builders, automation, and analytics, often highlighted for its affordability and ease of use.

Email MarketingLondon, England
EmailSuccess

EmailSuccess

Marketing Technology / Email Marketing Software

EmailSuccess is a specialized enterprise email marketing software provider that occupies a unique niche in the marketing technology landscape by focusing exclusively on self-hosted, on-premise deployment solutions. Unlike the dominant cloud-based SaaS platforms that characterize the email marketing sector, EmailSuccess enables organizations to maintain complete data sovereignty and infrastructure control by deploying comprehensive email marketing capabilities within their own security perimet...

Email MarketingMarketing Technology
e

eMarketer

Market Research and Data Analytics

Leading market research and data analytics firm providing insights, forecasts, and statistics on digital marketing, media, and commerce trends.

Data & AnalyticsMarketing AnalyticsNew York, New York
Emarsys

Emarsys

Acquired

Marketing Automation & Customer Engagement

Emarsys is an omnichannel customer engagement platform that enables personalized marketing automation across email, mobile, social, and web channels.

Marketing PlatformMarketing AutomationVienna, Vienna
Embee Mobile

Embee Mobile

Acquired

Mobile Advertising & App Monetization

Mobile advertising platform that monetized Android apps through user engagement with ads and offers, acquired by Verve Group in 2021.

Marketing AnalyticsMobile MarketingSan Francisco, California