Skip to content

Companies

4,251 companies in the AdTech ecosystem

McCann

McCann

Acquired

Advertising Agency

McCann is an American global advertising agency network with offices in over 120 countries, bringing together capabilities across brand identity and design, creative intelligence, and content studios to integrate intelligence, identity, and content for its clients.

Data & AnalyticsMarketing PlatformNew York, New York
Universal Ads

Universal Ads

Connected TV & Streaming Advertising

Universal Ads is Comcast's self-serve platform for buying video ads across many TV and streaming publishers from one interface, built on FreeWheel ad technology.

Connected TV Platform
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
Epsilon

Epsilon

Marketing Technology / Data-Driven Advertising

Epsilon is a marketing technology firm acquired by Publicis Groupe in 2019, now operating as a central pillar of that global network with more than 8,000 employees across over 40 offices worldwide.

Customer Data PlatformMarketing CloudIrving, Texas
IBM iX

IBM iX

Acquired

Digital Experience & Marketing Transformation

IBM iX is a digital agency that works at the intersection of strategy, creativity, and technology, partnering with clients to define strategy, create experiences, and build business by design.

Customer Data PlatformMarketing TechnologyArmonk, New York
Index Exchange

Index Exchange

Programmatic Advertising / Supply-Side Platform (SSP)

Index Exchange is an independent supply-side platform that helps media owners connect with leading brands, operating as a neutral, conflict-free exchange to advance efficiency, transparency, and quality across the programmatic ecosystem.

Supply Side Platform (SSP)Ad ExchangeToronto, Ontario
TBWA Worldwide

TBWA Worldwide

Creative Advertising & Brand Strategy

TBWA Worldwide is an international advertising agency headquartered in Midtown Manhattan, New York City, operating as a unit of Omnicom Group since 1993.

Marketing AgencyNew York, New York
AppsFlyer

AppsFlyer

Marketing Analytics & Attribution

AppsFlyer is a Modern Marketing Cloud that provides brands with the infrastructure and intelligence to connect marketing signals and understand customers across mobile, web, CTV, desktop, and other channels.

Attribution & AnalyticsAd Fraud PreventionTel Aviv, Tel Aviv District
iHeartMedia

iHeartMedia

Audio Media & Advertising

iHeartMedia is a major American audio media company operating over 860 owned radio stations across 160 markets nationwide, with a leading position in analytics and attribution technology driven by its large consumer base.

Audio AdvertisingProgrammatic PlatformSan Antonio, Texas
DoubleVerify

DoubleVerify

Ad Verification & Brand Safety

DoubleVerify is a publicly traded software company, founded in 2008 and headquartered in New York City, that provides measurement technology, data, and services for digital advertising.

Verification & MeasurementAd Fraud PreventionNew York, New York
N

News Corp

Premium Publisher AdTech / Data-Driven Advertising

News Corp is a media company that has expanded its business to encompass online real estate services, digital ad tech, and marketing solutions.

Contextual AdvertisingNative AdvertisingNew York, New York
P

Publicis Media

Media Agency / Media Buying

Publicis Media is one of the world's largest media agency networks, operating as part of Publicis Groupe, that helps clients achieve growth through tailored communications solutions.

Attribution & AnalyticsMarketing AgencyParis, Île-de-France
e

eMarketer

Market Research & Data Analytics

eMarketer is a market research firm that helps marketers understand how consumers spend their time and money, and how marketers are reaching them, by aggregating data from thousands of sources to give leading brands, agencies, and media companies a comprehensive view of digital marketing.

Data & AnalyticsMarketing AnalyticsNew York, New York
IAS (Integral Ad Science)

IAS (Integral Ad Science)

Acquired

Ad Verification & Media Quality

IAS (Integral Ad Science) is a global media measurement and optimization company that delivers actionable data to major advertisers, publishers, and media platforms.

Verification & MeasurementAd Fraud PreventionNew York, New York
Equativ

Equativ

Programmatic Advertising / Ad Tech Platform

Equativ is a French advertising technology company that provides a vertically integrated platform — encompassing an ad server, a supply-side platform (SSP), and a demand-side platform (DSP) — serving both advertisers and publishers, with particular focus on Advanced TV and premium publishers.

Supply Side Platform (SSP)Data Management PlatformParis, Île-de-France
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
IPG Mediabrands

IPG Mediabrands

Merged

Media Planning & Buying

IPG Mediabrands was the data management and media buying arm of the Interpublic Group of Companies, which was acquired by Omnicom in 2025 and folded into what became Omnicom Media.

Attribution & AnalyticsMarketing AgencyNew York, New York
Teads

Teads

AdTech — Video Advertising & Programmatic

Teads is a global advertising technology company that emerged to challenge walled-garden dominance in digital advertising, with a mission to transform the open internet into a thriving ecosystem for advertisers, publishers, and audiences.

Supply Side Platform (SSP)Video Advertising PlatformNew York, New York
Tubi

Tubi

Acquired

Streaming Media / Connected TV Advertising

Tubi is a free, ad-supported streaming service owned by Fox Corporation that offers premium on-demand movies, TV episodes, and original programming to over 97 million monthly active users, operating as a fully ad-supported platform with no subscription or ad-free tier.

CTV PlatformVideo Advertising PlatformSan Francisco, California
HUMAN Security

HUMAN Security

Cybersecurity / Ad Fraud Prevention

HUMAN Security is an enterprise cybersecurity company, originally founded as White Ops in 2012 and rebranded in 2021, that bundles bot detection across multiple surfaces — including digital advertising, web applications, APIs, and account systems — into a single platform.

Ad Fraud PreventionNew York, New York
Skydance

Skydance

Media & Entertainment / Streaming / Broadcast Television

Skydance is the media and entertainment company formed when Paramount Skydance completed its acquisition of Warner Bros. Discovery on October 6, 2026, combining the Paramount and Warner Bros. studios, CBS, CNN, TNT, HBO and the Paramount+, HBO Max and Pluto TV streaming services, which keep their own brands.

Audio AdvertisingConnected TV PlatformLos Angeles, California
Effectv

Effectv

Rebranded

Television & Advanced TV Advertising

Effectv was Comcast Cable's advertising sales division, formed when Comcast Spotlight was renamed in November 2019.

Connected TV PlatformLocal Advertising
Visual IQ

Visual IQ

Acquired

Marketing Analytics / Multi-Touch Attribution

Visual IQ is a marketing intelligence software company, founded in 2006, that specializes in multi-touch attribution (MTA) modeling of advertising across digital platforms to help brand marketers improve ROI.

Attribution & AnalyticsMarketing AnalyticsBoston, Massachusetts
Zeta Global

Zeta Global

Marketing Technology / Data-Driven Advertising

Zeta Global is an American marketing technology company, founded in 2007, that offers enterprises a suite of multichannel marketing tools focused on creating, maintaining, and monetizing customer relationships.

Customer Data PlatformAI-Powered PlatformNew York, New York