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Companies

4,159 companies in the AdTech ecosystem

Sharethrough

Sharethrough

Rebranded

Programmatic Advertising / Native Ad Exchange

Sharethrough, now operating as Equativ following a merger announced in June 2024, was one of the top independent omnichannel ad exchanges.

Native AdvertisingConnected TV PlatformNew York, New York
Synthesio

Synthesio

Acquired

Social Intelligence & Consumer Insights

Synthesio is an AI-enabled consumer intelligence platform, operating as a company within Ipsos following its acquisition in 2018, and was named the leader in the Forrester Wave™: Enterprise Listening Platforms, Q1 2014 report.

Data & AnalyticsSocial Media ManagementParis, Île-de-France
Yahoo DSP

Yahoo DSP

Demand-Side Platform (DSP) / Programmatic Advertising

Yahoo DSP is a demand-side platform that enables marketers to transform diverse data sets into measurable advertising results.

Demand Side Platform (DSP)Connected TV PlatformNew York, New York
Yahoo Gemini

Yahoo Gemini

Merged

Native & Search Advertising

Yahoo Gemini was a combined search and native advertising platform, also known as Verizon Media Native, that operated as part of Yahoo's broader advertising suite and helped advertisers drive high-quality traffic to their websites.

Native AdvertisingMobile Ad PlatformNew York, New York
3

360i

Rebranded

Digital Marketing & Advertising Agency

360i, now operating under the Dentsu Creative banner, was a New York City-based digital agency founded in 1998 in Atlanta as a search engine marketing and technology company.

Marketing AgencyPerformance MarketingNew York, New York
Branch

Branch

Mobile Attribution & Deep Linking

Branch is a mobile linking and measurement platform that enables reliable, seamless linking across channels and helps brands understand the performance of their marketing experiences.

Attribution & AnalyticsMobile MarketingMountain View, California
Code and Theory Network

Code and Theory Network

Digital Transformation & Experience Agency

Code and Theory Network is a technology and creative network distinguished by its balance of 50% creative talent and 50% engineers at scale, positioning it to partner with businesses navigating changing consumer behaviors, emerging technologies, and AI.

Creative PlatformMarketing AgencyNew York, New York
F

FCB

Merged

Full-Service Advertising & Creative Agency

FCB was one of the largest global advertising agency networks, absorbed into Omnicom's BBDO on December 1, 2025.

Data & AnalyticsMarketing PlatformNew York, New York
F

Fjord

Acquired

Design & Innovation Consulting

Fjord is a design innovation agency focused on helping clients develop and implement digital and design strategies.

Creative PlatformMarketing TechnologyLondon
FleishmanHillard

FleishmanHillard

Public Relations & Integrated Communications

FleishmanHillard is a public relations and marketing agency founded and based in St. Louis, Missouri.

Marketing AgencySt. Louis, Missouri
LiveRamp Safe Haven

LiveRamp Safe Haven

Data Collaboration / AdTech / Clean Rooms

LiveRamp Safe Haven is a secure data collaboration platform designed to enable global brands and their partners to share and activate data while maintaining privacy.

Privacy TechnologySan Francisco, California
Marketing Cloud Account Engagement

Marketing Cloud Account Engagement

B2B Marketing Automation

Marketing Cloud Account Engagement is a B2B marketing automation platform, formerly known as Pardot, that helps marketers identify which leads are most likely to convert into customers.

Marketing AutomationSan Francisco, California
M

MDC Partners

Rebranded

Marketing Services / Advertising Holding Company

MDC Partners, now operating as Stagwell Inc., was an advertising and marketing holding company based in New York City that operated through a partnership model, acquiring majority stakes in its partner agencies while leaving a share of ownership with the founders.

Marketing AgencyNew York City, New York
Oracle BlueKai

Oracle BlueKai

Merged

Data Management Platform (DMP) / Audience Data

Oracle BlueKai was a cloud-based data management platform, part of Oracle Marketing, formed when Oracle acquired the company in 2014 for approximately $400 million and folded it into its broader advertising and customer experience suite.

Identity ResolutionData Management PlatformSan Jose, California
Smaato

Smaato

Acquired

Mobile Advertising / Supply-Side Platform (SSP)

Smaato is a digital advertising technology platform that was acquired by Verve in 2021 and rebranded as Verve's Brand+ Marketplace in 2024.

Mobile Ad PlatformSupply Side Platform (SSP)Hamburg, Hamburg
Talkwalker

Talkwalker

Acquired

Social Listening & Consumer Intelligence

Talkwalker is a social listening and analytics company that helps over 2,000 brands and agencies optimize the impact of their communication efforts.

Data & AnalyticsInfluencer MarketingLuxembourg City, Luxembourg
ZoomInfo

ZoomInfo

B2B Data & Go-to-Market Intelligence

ZoomInfo is a database software company whose core business is a B2B database of contact and business information, which it also leverages to help business-to-business marketers programmatically buy ads with greater precision and reach.

Customer Data PlatformIdentity ResolutionVancouver, Washington
AdvertiseCast

AdvertiseCast

Acquired

Podcast Advertising / Audio AdTech

AdvertiseCast is a podcast network for buying and selling podcast advertising.

Audio AdvertisingMarketing AnalyticsPittsburgh, Pennsylvania
Eyeota

Eyeota

Acquired

Audience Data & Targeting

Eyeota is a global audience data company that helps brands enrich insights, enhance personalization, and improve omnichannel targeting for digital marketing.

Customer Data PlatformMarketplace TechnologyNew York, New York
Flywheel Digital

Flywheel Digital

Acquired

Retail Media & Commerce Advertising

Flywheel Digital is a managed service provider focused on accelerating brand growth in digital commerce, and was acquired by Omnicom for $835 million.

AI-Powered PlatformRetail Media PlatformBaltimore, Maryland
Habu

Habu

Acquired

Data Clean Rooms & Privacy-Safe Data Collaboration

Habu was a San Francisco-based data clean room and collaboration platform, founded in 2017, that allowed brands, publishers, and media platforms to perform privacy-safe analytics on one another's first-party data without transferring or exposing the underlying records; in January 2024 it was acquired by LiveRamp, and its product now ships as LiveRamp Clean Room within the LiveRamp data collaboration network.

Attribution & AnalyticsIdentity ResolutionSan Francisco, California
Kochava

Kochava

Mobile Measurement & Attribution

Kochava is a mobile advertising and data broker company specializing in mobile attribution and analytics for connected devices.

Attribution & AnalyticsVerification & MeasurementSandpoint, Idaho
Mistral AI

Mistral AI

AI Infrastructure / Large Language Models

Mistral AI is a Paris-based frontier-model company that builds open-weight large language models and full-stack AI systems for high-stakes sectors.

AI-Powered PlatformParis, Île-de-France
Oracle Data Cloud

Oracle Data Cloud

Defunct

Data Management & Audience Intelligence

Oracle Data Cloud was a digital advertising data and technology platform that served as one of the most prominent advertising data sellers in the market, operating across more than 100 countries, before shutting down its advertising division in 2024.

Attribution & AnalyticsIdentity ResolutionAustin, Texas