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Companies

3,599 companies in the AdTech ecosystem

Alexa

Alexa

Web Analytics & Competitive Intelligence

Alexa Internet was a pioneering web analytics and traffic measurement service that provided competitive intelligence and website ranking data before being shut down by Amazon in 2022.

Data & AnalyticsMarketing AnalyticsSan Francisco, California
Algolia

Algolia

Search and Discovery Infrastructure

Algolia is a cloud-based search and discovery platform that helps businesses build fast and relevant search experiences for their websites and mobile applications.

Commerce TechnologyContent DiscoverySan Francisco, California
Algonomy

Algonomy

Retail Technology / E-commerce Software / Customer Engagement Platforms

Algonomy is an enterprise-grade AI and analytics software provider that specializes in algorithmic customer engagement solutions for the retail and e-commerce sectors. The company's comprehensive platform combines advanced machine learning, real-time decisioning capabilities, and predictive analytics to enable retailers to deliver highly personalized customer experiences across all digital and physical touchpoints. By unifying critical capabilities including merchandising optimization, person...

E-commerce MarketingCustomer Engagement
A

Alibaba Advertising

E-Commerce Advertising / Digital Advertising

Alibaba's advertising division powers performance and brand marketing across its vast e-commerce and digital ecosystem, including Taobao, Tmall, and the Alibaba Audience Network.

Attribution & AnalyticsDemand Side Platform (DSP)Hangzhou, Zhejiang
A

Alibaba Alimama

Digital Advertising / Marketing Technology

Alibaba's marketing technology arm and China's largest digital advertising platform, powering performance and brand advertising across Taobao, Tmall, and the broader Alibaba ecosystem.

Attribution & AnalyticsDemand Side Platform (DSP)Hangzhou, Zhejiang
A

Alibaba Audience Network

Mobile Advertising & App Monetization

Alibaba's mobile advertising network enabling app developers and publishers to monetize traffic through Alibaba's vast e-commerce and retail data ecosystem.

Mobile Ad PlatformProgrammatic PlatformHangzhou, Zhejiang
A

Alibaba Audience Platform

Audience Data & Targeting / Commerce Media

Alibaba's data-driven audience targeting and management platform, enabling advertisers to leverage Alibaba's vast first-party commerce and behavioral data for precision marketing across its ecosystem.

Customer Data PlatformRetail Media PlatformHangzhou, Zhejiang
Alibaba Group

Alibaba Group

AdTech / MarTech / E-commerce Technology

Alibaba Group is a multinational technology conglomerate and one of the world's largest e-commerce and digital commerce companies, headquartered in Hangzhou, China. Founded in 1999 by Jack Ma and a group of co-founders, Alibaba has evolved from a B2B marketplace into a comprehensive digital ecosystem encompassing e-commerce, cloud computing, digital media, entertainment, and advanced advertising technology. The company operates multiple platforms including Taobao, Tmall, Alibaba.com, and AliE...

Retail Media PlatformE-commerce MarketingHangzhou, Zhejiang Province, China, Zhejiang
Alibaba Marketing

Alibaba Marketing

B2B E-commerce Advertising

Alibaba's integrated marketing and advertising platform serving businesses on its global B2B marketplace ecosystem.

Retail Media PlatformE-commerce MarketingHangzhou, Zhejiang
Alida

Alida

Alida is a Total Experience Management (TXM) platform that helps companies understand and act on customer and employee feedback. It provides a comprehensive suite of tools for gathering insights, engaging with communities, and driving business growth through improved experiences across the customer journey.

Data & AnalyticsCustomer Data PlatformVancouver, British Columbia
A

Alignable

B2B Social Networking/Local Business Advertising

Alignable is a social networking platform designed specifically for small business owners to connect, refer, and collaborate with other local businesses.

Local AdvertisingCustomer EngagementBoston, Massachusetts
A

Alimama

Digital Advertising / E-Commerce Marketing

Alimama is Alibaba Group's digital marketing and advertising platform, serving as the primary monetization engine for Taobao, Tmall, and the broader Alibaba ecosystem in China.

Attribution & AnalyticsE-commerce MarketingHangzhou, Zhejiang
Alkimi

Alkimi

Programmatic Advertising / Decentralized Ad Exchange

Alkimi is a pioneering blockchain-based technology company transforming the digital advertising industry through its decentralized advertising exchange platform. By leveraging distributed ledger technology, smart contracts, and consensus mechanisms, Alkimi eliminates costly intermediaries in the AdTech ecosystem, creating direct connections between advertisers and publishers. The platform addresses critical industry challenges including ad fraud, opaque pricing structures, inefficient settlem...

Blockchain AdvertisingAd Fraud PreventionLondon, England
Alkimi Exchange

Alkimi Exchange

Programmatic Advertising Exchange

Blockchain AdvertisingAd ExchangeLondon, England
Allbound

Allbound

Partner Relationship Management (PRM) - Not AdTech

Marketing PlatformPhiladelphia, Pennsylvania
Allison Worldwide

Allison Worldwide

Public Relations & Integrated Communications

Allison Worldwide is a global independent public relations and integrated communications agency helping brands navigate earned media, reputation management, and strategic communications.

Influencer MarketingMarketing AgencySan Francisco, California
A

Allison+Partners

Public Relations / Communications

Global PR/communications network within Stagwell. Founded 2001; multiple Stagwell-affiliated PR networks include Allison+Partners, SKDK, HUNTER, and Targeted Victory.

Alooma

Alooma

Acquired

Data Integration / ETL / Data Infrastructure

Alooma was a cloud data pipeline platform that enabled businesses to integrate, transform, and stream data into their data warehouses in real time — acquired by Google in 2019.

Data & AnalyticsCustomer Data PlatformTel Aviv, California
Alphabet Inc.

Alphabet Inc.

Digital Advertising / AdTech

Alphabet Inc. is the parent company of Google and several other businesses. Through Google, Alphabet dominates the digital advertising industry with the largest ad network, search advertising platform, and programmatic buying/selling platforms. Google's advertising products generate over $200 billion annually, making it one of the two dominant forces (with Meta) in digital advertising.

Demand Side Platform (DSP)Ad ServerMountain View, California
AlphaSense

AlphaSense

Market Intelligence / Business Intelligence

AlphaSense is a market intelligence and search platform that helps business professionals make better decisions by providing instant access to critical information from a vast universe of public and private content. It leverages AI to extract insights from financial documents, news, transcripts, and more.

Data & AnalyticsMarketing TechnologyNew York, New York
A

Alphonso

Rebranded

TV Data & Measurement

Alphonso is a TV data and measurement company that uses Automatic Content Recognition (ACR) technology to track viewing behavior across smart TVs and connected devices for advertising attribution.

Data & AnalyticsAttribution & AnalyticsCincinnati, Ohio
Alteryx

Alteryx

Analytics & Data Platform

Alteryx is an analytics automation platform that enables organizations to automate data preparation, blending, and advanced analytics workflows through a low-code/no-code interface.

Data & AnalyticsMarketing AnalyticsIrvine, California
Altice International

Altice International

Telecommunications / Media Holding (Europe)

Altice International (also Altice Europe) is the European telecommunications + media holding company controlled by Patrick Drahi. Distinct from Altice USA (the US-listed sister company). Owned Teads from 2017 to February 2025, when Outbrain acquired Teads from Altice for $1B+ (cash + 35M shares).

Marketing Technology
Altice USA

Altice USA

TV/Video Advertising & Addressable TV

Connected TV PlatformLocal AdvertisingLong Island City, New York