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Companies

3,679 companies in the AdTech ecosystem

IRIS.TV

IRIS.TV

Video Advertising Technology / Contextual Targeting

IRIS.TV is a video programming and personalization platform that uses contextual data to optimize video content recommendations and advertising. The company provides video intelligence solutions for publishers and streaming platforms to improve engagement and ad monetization.

Video TechnologyLos Angeles, California
ironSource

ironSource

Mobile App Monetization & User Acquisition

A leading mobile app monetization and user acquisition platform that was acquired by Unity Technologies in 2022 for $4.4 billion.

AI-Powered PlatformMobile Ad PlatformTel Aviv, Tel Aviv District
ISBA

ISBA

Advertising Industry Advocacy & Standards

UK trade body representing advertisers (Incorporated Society of British Advertisers).

Marketing TechnologyLondon, England
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Isobar

Rebranded

Digital Agency / Marketing Services

Isobar was a global digital agency network known for commerce, experience design, and technology-driven marketing — rebranded into Dentsu Creative in June 2022.

Marketing AgencyLondon, England
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Isobar Japan

Rebranded

Digital Marketing & Creative Technology Agency

Isobar Japan is the Japanese arm of the global Isobar digital agency network, delivering integrated digital marketing, creative technology, and commerce solutions to major Japanese and multinational brands.

E-commerce MarketingMarketing AgencyTokyo
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iSpionage

Competitive Intelligence & PPC Research

A competitive intelligence and PPC research platform that helps marketers analyze competitors' paid search campaigns, keywords, and ad copy.

Marketing AnalyticsPPC ManagementToronto, Ontario
iSpot.tv

iSpot.tv

TV Ad Measurement & Analytics

iSpot.tv is a TV ad measurement and analytics platform that provides real-time performance data and competitive intelligence for television advertising across linear and streaming.

Marketing AnalyticsVideo Advertising PlatformBellevue, Washington
iStock

iStock

Creative Content/Stock Media

iStock is a leading stock photography, illustration, and video marketplace offering affordable royalty-free creative content to businesses and creators worldwide.

Creative PlatformMarketplace TechnologyCalgary, Alberta
Iterable

Iterable

Marketing Automation / Customer Engagement Platform

Iterable is a leading customer engagement and marketing platform that helps brands create personalized, cross-channel experiences. Their platform allows companies to connect with customers across email, mobile, web, and more.

Email MarketingMarketing PlatformSan Francisco, California
iubenda

iubenda

Privacy Compliance / Consent Management

iubenda is a legal technology company that helps businesses comply with privacy and cookie laws. They provide a suite of tools and solutions for generating privacy policies, cookie banners, and consent management.

Privacy & Consent ManagementPrivacy TechnologyBologna, Emilia-Romagna
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IXDS

Merged

Product Design / Innovation Agency

Berlin / Munich product design and innovation agency (~50 employees, BMW / Bosch / VW clients), acquired by PwC early 2020 (some sources say 2018, primary source confirms 2020). Folded into PwC Experience Center Germany. Sources: Consultancy.eu + ⚠ minor date inconsistency across secondary sources.

IZEA

IZEA

Influencer Marketing Technology

IZEA is a pioneer in influencer marketing technology, connecting brands with creators through its SaaS platform and managed services to power authentic content and social sponsorships.

Influencer MarketingPerformance MarketingOrlando, Florida
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J. Walter Thompson

Rebranded

Creative Advertising Agency

J. Walter Thompson (JWT) was one of the world's oldest and largest advertising agencies, renowned for iconic brand campaigns across the globe before merging with Wunderman in 2018 to form Wunderman Thompson.

Marketing AgencyNew York, New York
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Jack Morton Worldwide

Acquired

Experiential Marketing & Brand Experience

Jack Morton Worldwide is a global brand experience agency specializing in experiential marketing, live events, and immersive brand activations for major enterprise clients.

Marketing AgencyBoston, Massachusetts
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Jacques

Health & Pharma Marketing / Healthcare Communications

New global health agency network within the Havas Health Network, named after Jacques Séguéla. Focused on creativity and innovation in pharma communications. Created during the 2024-25 health-network restructuring.

Vertical Marketing PlatformMarketing AgencyParis, Île-de-France
Jahia

Jahia

Digital Experience Platform

Jahia is a leading provider of a unified Digital Experience Platform (DXP) that helps organizations manage and deliver personalized digital experiences across multiple channels. Its platform combines content management, customer data, and marketing automation to empower businesses to create engaging customer journeys and optimize their digital presence.

Customer Data PlatformMarketing PlatformGeneva, Geneva
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Jam3

Rebranded

Creative Technology & Digital Production

Toronto-based digital design and production studio that joined MediaMonks in March 2021 as part of the consolidation under the Media.Monks brand. Media.Monks rebranded to Monks in July 2024. Historical brand: search now resolves to Monks.

Creative PlatformMarketing AgencyToronto, Ontario
Jampp

Jampp

Acquired

Mobile Advertising / Programmatic DSP

Jampp is a programmatic advertising platform specializing in mobile user acquisition and app retargeting, leveraging machine learning to drive growth for app-based businesses.

Customer AcquisitionMobile MarketingBuenos Aires, Buenos Aires
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Janrain

Acquired

Customer Identity and Access Management (CIAM)

Janrain was a pioneer in Customer Identity and Access Management (CIAM), enabling brands to manage consumer identities, social login, and first-party data collection at scale.

Customer Data PlatformPrivacy & Consent ManagementPortland, Oregon
JD.com Ads

JD.com Ads

Retail Media & E-Commerce Advertising

JD.com is a leading e-commerce platform in China, offering a wide range of products and services to consumers and businesses. It operates as an online marketplace, providing a platform for third-party sellers to reach customers across the country.

Retail Media PlatformE-commerce MarketingBeijing, Beijing
Jebbit

Jebbit

Marketing Technology (MarTech) / Customer Engagement / Data Collection

Jebbit is a software-as-a-service (SaaS) platform specializing in interactive content experiences and customer engagement solutions for enterprise brands and digital marketers. The company's core technology enables businesses to create mobile-first, engaging experiences including quizzes, product recommendations, personality assessments, and interactive surveys without requiring coding expertise. Jebbit has strategically positioned itself as a leader in zero-party data collection—informatio...

Customer Data PlatformCustomer Engagement
Jellyfish

Jellyfish

Performance Marketing & Marketing Technology

Jellyfish is a marketing performance platform that helps brands optimize their digital marketing investments through data-driven insights and analytics.

Attribution & AnalyticsMarketing AnalyticsLondon, England
Jenkins

Jenkins

DevOps Tools & Continuous Integration/Continuous Delivery (CI/CD)

Jenkins is an open-source automation server and leading provider of continuous integration and continuous delivery (CI/CD) solutions for software development teams worldwide. Originally developed as Hudson in 2004 and forked to Jenkins in 2011, the platform has become the de facto standard for automating software build, test, and deployment processes. With an extensive plugin ecosystem comprising over 1,800 community-contributed plugins, Jenkins enables developers to integrate virtually any t...

Marketing TechnologyOpen Source Project (No central headquarters, governed by Continuous Delivery Foundation)
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Jiminny

Jiminny is a conversation intelligence and sales coaching platform that records, transcribes, and analyzes customer calls to improve sales performance.

AI-Powered PlatformMarketing TechnologyLondon, England