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Companies

4,157 companies in the AdTech ecosystem

BBH (Bartle Bogle Hegarty)

BBH (Bartle Bogle Hegarty)

Creative Advertising Agency

BBH (Bartle Bogle Hegarty) is a global creative company that helps brands differentiate themselves in competitive markets.

Creative PlatformMarketing AgencyLondon
Brightcove

Brightcove

Video Technology / Online Video Platform (OVP)

Brightcove is an American software company, founded in 2004 and headquartered in Boston, Massachusetts, that produces an online video platform.

Video Advertising PlatformVideo TechnologyBoston, Massachusetts
Demandbase

Demandbase

Account-Based Marketing (ABM) / B2B AdTech

Demandbase is a pipeline AI platform that helps B2B go-to-market teams understand their market, identify where to focus, and act with purpose.

AI-Powered PlatformMarketing PlatformSan Francisco, California
iSpot.tv

iSpot.tv

TV Advertising Measurement & Analytics

iSpot.tv is a TV and streaming advertising measurement company that helps advertisers assess the brand and business impact of their campaigns, from concept through airing to conversion.

Marketing AnalyticsVideo Advertising PlatformBellevue, Washington
Megaphone

Megaphone

Acquired

Podcast Advertising Technology

Megaphone is a podcast ad tech company that provides hosting, distribution, and ad-insertion tools for podcast publishers, while also enabling advertisers to find and reach audiences across those publishers' content.

Audio AdvertisingProgrammatic PlatformWashington, DC
N

NBC Sports

Sports Media & Broadcast Advertising

NBC Sports is NBCUniversal's sports division, carrying live events across the NBC broadcast network, the Peacock streaming service and the NBCSN cable channel.

Attribution & AnalyticsVideo Advertising PlatformStamford, Connecticut
Salesforce DMP

Salesforce DMP

Defunct

Data Management Platform (DMP)

Salesforce DMP was a data management platform, originally founded as Krux in 2010, that was acquired by Salesforce in 2016 and has since shut down, with Salesforce confirming that it is no longer available for purchase.

Data Management PlatformMarketing TechnologySan Francisco, California
Smart AdServer

Smart AdServer

Rebranded

Ad Technology / Publisher Monetization

Smart AdServer, now operating as Equativ, was a French advertising technology company that provided a vertically integrated platform serving both advertisers and publishers.

Video Advertising PlatformAd ServerParis, Île-de-France
VideoAmp

VideoAmp

Audience Measurement & Media Currency

VideoAmp is an advertising technology and media measurement company that helps advertisers plan, optimize, and measure media investments across platforms.

Attribution & AnalyticsVerification & MeasurementLos Angeles, California
CNN

CNN

Premium Publisher / Digital Media

CNN is a news media company focused on breaking news and storytelling that is expanding its content footprint beyond news into areas including business, entertainment, food, travel, sports, health, and weather, while building advertising products designed to connect audiences across streaming, digital video, social, and audio.

Atlanta, Georgia
Dosh

Dosh

Defunct

Card-Linked Offers / Performance Marketing

Card-linked offer platform that provided automated cashback rewards to consumers when they shopped at participating merchants using their linked payment cards.

Customer AcquisitionRetail MediaAustin, Texas
eBay

eBay

E-Commerce & Retail Media

eBay is a marketplace platform that offers a suite of advertising tools designed to drive traffic and boost sales for sellers.

PPC ManagementPerformance MarketingSan Jose, California
Foursquare

Foursquare

Location Intelligence & AdTech Measurement

Foursquare is an American geolocation technology company and data cloud platform, founded by Dennis Crowley and Naveen Selvadurai in 2009.

Data & AnalyticsAttribution & AnalyticsNew York, New York
Mindshare

Mindshare

Media Planning & Buying

Mindshare is a global media and marketing services agency, founded in 1997, with billings exceeding US$34.5 billion.

Attribution & AnalyticsMarketing AgencyLondon, England
Neustar

Neustar

Identity Resolution & Data Intelligence

Neustar is an American technology company that provides real-time information and analytics across industries including risk, digital performance, defense, telecommunications, entertainment, and marketing.

Attribution & AnalyticsCustomer Data PlatformReston, Virginia
Optimizely

Optimizely

Digital Experience Platform / MarTech / AdTech

Optimizely is a digital experience platform that brings marketing and product teams together so they can create and optimize digital experiences across every channel.

Customer Data PlatformCommerce TechnologyNew York, New York
Segment.io

Segment.io

Acquired

Customer Data Platform (CDP)

Segment.io is a customer data platform (CDP) that handles data governance, data integration, and audience management in a single service, now operated under its parent company Twilio.

Customer Data PlatformMarketing AnalyticsSan Francisco, California
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
Acxiom

Acxiom

Data & Identity Management

Acxiom is a data and technology company that solves complex challenges for leading brands and agencies by building the foundation for AI-powered marketing and decisioning.

Customer Data PlatformIdentity ResolutionConway, Arkansas
AKQA

AKQA

Digital Design & Creative Agency

AKQA is a full-service digital experience design, development, and communications agency owned by WPP.

E-commerce MarketingMarketing AgencySan Francisco, California
Carat

Carat

Media Agency

Carat is a global media agency established in 1968 as the world's first media agency, operating as part of the Dentsu network.

Attribution & AnalyticsMarketing AnalyticsLondon, England
Constant Contact

Constant Contact

Email Marketing / Digital Marketing Automation

Constant Contact is a digital marketing and automation platform serving small businesses and nonprofits globally.

Email MarketingMarketing PlatformWaltham, Massachusetts
GumGum

GumGum

Contextual Advertising & Brand Safety

GumGum is a contextual intelligence company that positions itself as "The Mindset Company," building technology to help advertisers and publishers connect with audiences based on real-time receptivity rather than identity-based targeting.

Contextual AdvertisingVerification & MeasurementSanta Monica, California
H

Hakuhodo DY Media Partners

Merged

Media Buying & Planning

Hakuhodo DY Media Partners is an integrated media company formed by consolidating the media operations of three advertising agencies — Hakuhodo, Daiko, and YOMIKO — and operates as a subsidiary of Hakuhodo DY Holdings.

Marketing AgencyTokyo