Companies
4,251 companies in the AdTech ecosystem
Merkle
AcquiredData-Driven Marketing Services & Technology
Merkle is a business, technology, and marketing services consultancy founded in data science and digital business performance, operating as part of the Dentsu network.
NPD Group
MergedMarket Research & Consumer Data Analytics
NPD Group, now operating as Circana following its 2022 merger with IRI, was a global market research and consumer intelligence firm that monitored point-of-sale transactions from 290 million households worldwide to deliver real-time insights into what consumers buy, where, and why.
Paramount+
Streaming Media & Connected TV Advertising
Paramount+ is a streaming service owned by Paramount, a Skydance Corporation, offering a broad content library drawn from brands including BET, CBS, CBS Sports, CMT, Comedy Central, MTV, Nickelodeon, Paramount Pictures, and Showtime.
Peacock Ads
Streaming TV Advertising / Connected TV (CTV)
Peacock Ads sells video ads on the ad-supported tiers of NBCUniversal's Peacock streaming service, along with formats that don't interrupt playback, such as pause ads, and shoppable ads.
SendGrid
AcquiredEmail Delivery & Marketing Technology
SendGrid is a cloud-based email marketing and transactional email platform, now operating as part of Twilio, that helps businesses and developers send, receive, and manage emails at scale.
Sharethrough
RebrandedProgrammatic 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.
Synthesio
AcquiredSocial 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.
VMLY&R
RebrandedMarketing & Communications Agency
VMLY&R, now operating as VML, was an American marketing and communications agency — born from the 2018 union of VML and Young & Rubicam — whose capabilities spanned advertising, digital and social media, sales promotion, direct marketing, and brand identity consulting, before WPP folded it into the newly formed VML in October 2023.
Yahoo Gemini
MergedNative & 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.
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.
Cardlytics
Purchase-Based Marketing & Data-Driven Advertising
Cardlytics is a data-driven advertising platform that leverages visibility into roughly $5.8 trillion in annual consumer spending — drawn from nearly 215 million customers and approximately half of all card-based transactions in the U.S. — to help advertisers target, engage, and measure relevant shoppers at scale, and to deliver personalized cash-back offers based on individual spending history.
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.
Deutsch
AcquiredCreative Agency
Deutsch is a Los Angeles-based creative agency that rebranded from Deutsch LA in September 2024. It came to Omnicom when Omnicom completed its acquisition of Interpublic in November 2025, and it sits in Omnicom Advertising.
Fjord
AcquiredDesign & Innovation Consulting
Fjord is a design innovation agency focused on helping clients develop and implement digital and design strategies.
IRI
MergedData Analytics & Market Intelligence
IRI, now operating as Circana, was a data analytics and market research company headquartered in the United States that provided consumer, shopper, and retail market intelligence along with analysis for the consumer packaged goods (CPG), retail, and healthcare industries.
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.
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.
McGarrybowen
RebrandedAdvertising & Creative Services
McGarryBowen, now operating as Dentsu Creative, was a full-service advertising agency founded in 2002 by John McGarry and Gordon Bowen, among others, and was acquired by Dentsu in 2008.
Smaato
AcquiredMobile 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.
Talkwalker
AcquiredSocial 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.
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.
AdvertiseCast
AcquiredPodcast Advertising / Audio AdTech
AdvertiseCast is a podcast network for buying and selling podcast advertising.
Eyeota
AcquiredAudience Data & Targeting
Eyeota is a global audience data company that helps brands enrich insights, enhance personalization, and improve omnichannel targeting for digital marketing.
Kochava
Mobile Measurement & Attribution
Kochava is a mobile advertising and data broker company specializing in mobile attribution and analytics for connected devices.