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Companies

3,613 companies in the AdTech ecosystem

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 & 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 at scale.

Influencer MarketingPerformance MarketingOrlando, Florida
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J. Walter Thompson

Rebranded

Advertising Agency

One of the world's oldest and most storied advertising agencies, J. Walter Thompson (JWT) was a pioneer of modern advertising before being rebranded as Wunderman Thompson in 2018, which itself became VML in 2024.

New York, New York
J

Jack Morton Worldwide

Experiential Marketing & Brand Activation

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

Digital Creative Production & Brand Experience

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
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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
JioStar

JioStar

Indian Media / Streaming JV

JioStar is the joint venture between Reliance Industries and Disney for India operations. Closed November 14, 2024 — combines Star India (Disney) + Viacom18 (Reliance). Disney holds 36.84% / Viacom18-Reliance 46.82% / Reliance 16.34%. JioHotstar streaming launched February 14, 2025.

Jira

Jira

Project Management Software / Issue Tracking / Agile Development Tools

Jira is a project management and issue tracking software platform developed by Atlassian, widely used by software development teams for agile project management and bug tracking.

Marketing TechnologySydney, New South Wales
Jivox

Jivox

Dynamic Creative Optimization and Personalized Advertising

Jivox is a leading personalized digital marketing platform that enables brands to deliver highly targeted and customized advertising experiences to consumers across all digital channels.

Creative Management PlatformAttribution & AnalyticsSan Mateo, California
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Johannes Leonardo

Creative Advertising Agency

Johannes Leonardo is an independent creative agency known for bold, culturally resonant brand work for global clients like Adidas, Volkswagen, and Google.

Marketing AgencyNew York, New York
Joomla

Joomla

Joomla is a free and open-source content management system (CMS) that enables users to build websites and powerful online applications. It is maintained by a global community of volunteers and supported by Open Source Matters, Inc., a non-profit organization.

Marketing Technology
JotForm

JotForm

SaaS - Form Builder & Survey Software

JotForm is a comprehensive online form builder and survey platform that enables businesses, organizations, and individuals to create custom forms, surveys, and questionnaires without requiring coding knowledge. Founded as a SaaS solution, the company has evolved into one of the leading form management platforms globally, serving millions of users across various industries including education, healthcare, non-profits, and enterprise organizations. The platform's drag-and-drop interface and ext...

Marketing TechnologySan Francisco, California, USA
Julius

Julius

Influencer Marketing Technology

Julius is a leading influencer marketing platform that helps brands discover, vet, and collaborate with the right influencers for their campaigns. The company's AI-powered technology and extensive database of influencers enable brands to run effective and measurable influencer marketing programs.

Influencer MarketingMarketing AnalyticsNew York, New York