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Companies

3,610 companies in the AdTech ecosystem

Sitecore

Sitecore

Digital Experience Platform / MarTech

Sitecore is a leading digital experience platform that enables organizations to create and deliver personalized, content-rich digital experiences across multiple channels. It provides a comprehensive suite of tools for content management, marketing automation, and customer data management.

Customer Data PlatformAI-Powered PlatformSan Francisco, California
Sitefinity

Sitefinity

Digital Experience Platform / Content Management

Sitefinity is a .NET-based digital experience platform (DXP) and content management system owned by Progress Software, enabling organizations to create and manage personalized web experiences.

Marketing PlatformBedford, Massachusetts
Siteimprove

Siteimprove

Siteimprove is a global software company that provides a comprehensive platform for optimizing and managing digital presence. Its solutions help organizations improve website accessibility, SEO, content quality, analytics, and data privacy, ensuring a better user experience and compliance.

Marketing AnalyticsMarketing Technology
Siteliner

Siteliner

SEO Tools & Content Analysis Software

Siteliner is a specialized web-based tool designed to help website owners, SEO professionals, and content managers identify and resolve duplicate content issues across their websites. The platform crawls websites to detect identical or similar content across multiple pages, broken links, page load times, and other technical SEO factors that can impact search engine rankings and user experience. By providing detailed reports on content duplication percentages, internal linking structures, and ...

Data & AnalyticsMarketing AnalyticsUnited States, Tennessee
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SiteScout

Acquired

Demand-Side Platform (DSP)

SiteScout was the first self-serve advertising platform for buying online banner ad space in real-time, pioneering programmatic display advertising.

Demand Side Platform (DSP)Programmatic PlatformSan Francisco, California
SiteSpect

SiteSpect

Conversion Rate Optimization / Experience Optimization

SiteSpect provides a digital experience optimization platform that enables businesses to test, target, and personalize their websites and mobile apps. It offers A/B testing, multivariate testing, and personalization capabilities to improve user experience and conversion rates without requiring code changes.

Data & AnalyticsMarketing PlatformBoston, Massachusetts
Sizmek

Sizmek

Defunct

Ad Serving & Programmatic Advertising

Sizmek was a leading independent ad serving and programmatic advertising platform that powered campaigns across display, video, mobile, and social channels before filing for bankruptcy in 2019.

Creative Management PlatformVideo Advertising PlatformNew York, New York
Skai

Skai

Omnichannel Marketing & Campaign Management

Skai (formerly Kenshoo) is a leading marketing technology platform that empowers brands and agencies to manage, measure, and optimize their advertising and marketing campaigns across a wide range of digital channels. Leveraging AI and data-driven insights, Skai provides solutions for paid search, social media, retail media, and app marketing, helping clients maximize their return on ad spend and achieve their business objectives.

Attribution & AnalyticsAI-Powered PlatformTel Aviv, California
SKDK

SKDK

Political Consulting & Strategic Communications

Strategic comms + Democratic political consulting (formerly SKDKnickerbocker). Offices DC, NYC, LA. Acquired by Stagwell Group 2015.

Marketing AgencyWashington, D.C.
Sketch

Sketch

Design Software

Sketch is a leading vector-based design platform that has established itself as a premier tool for digital product design, particularly in the UI/UX space. Founded in the Netherlands, Sketch revolutionized the design industry by offering a Mac-native application specifically tailored for interface design, moving away from traditional graphic design tools that were not optimized for digital product workflows. The platform provides designers with an intuitive, streamlined interface combined wit...

Creative Management PlatformCreative PlatformThe Hague, South Holland
Sketchfab

Sketchfab

Acquired

3D Content Platform / Creative Technology

Sketchfab is a 3D model publishing and sharing platform that enables creators to upload, view, and distribute interactive 3D content directly in web browsers.

Creative Management PlatformCreative PlatformParis, Île-de-France
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Skimlinks

Affiliate Marketing Technology

Skimlinks is a commerce content monetization platform that automatically affiliates product links for publishers and content creators.

Commerce TechnologyE-commerce MarketingLondon, England
Skrill

Skrill

Payment Processing/Fintech

Digital wallet and online payment platform enabling international money transfers, online payments, and prepaid card services for consumers and businesses.

Commerce TechnologyLondon, England
Skubana

Skubana

Acquired

E-Commerce Operations & Order Management

Skubana was an all-in-one operations platform for high-volume e-commerce sellers, providing inventory management, order management, and analytics capabilities before being acquired by 3PL Central in 2021.

Commerce TechnologyMarketplace TechnologyNew York, New York
Sky AdSmart

Sky AdSmart

Addressable TV Advertising

Household-level addressable TV advertising platform launched 2014. Allows demographic, location, time-of-day, interest-based targeting. Integrated with NBCU Audience Studio in 2019 to form joint AdSmart cross-Atlantic offering.

Demand Side Platform (DSP)Connected TV PlatformIsleworth, Middlesex
Sky Group

Sky Group

Addressable TV Advertising & Media

British media and telecommunications conglomerate. Comcast's primary European footprint covering UK, Ireland, Germany, Austria, Switzerland, Italy. Owner of Sky News, Sky Sports, Sky Studios, Sky AdSmart targeting platform. Acquired by Comcast September 2018 for ~$39B.

Demand Side Platform (DSP)Connected TV PlatformIsleworth, Middlesex
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Sky Mavis

Blockchain Gaming / Web3

Sky Mavis is a Vietnamese game development studio best known for creating Axie Infinity, a blockchain-based play-to-earn gaming platform.

Blockchain AdvertisingIn-Game AdvertisingHo Chi Minh City
Sky Media

Sky Media

Broadcast & Addressable TV Advertising

Sky Group's advertising sales house. Operates Sky AdSmart household-level addressable TV targeting. Recently launched AI-powered SME creative toolkit (Jan 2026). Joint partner in proposed UK premium video marketplace with ITV and Channel 4.

Connected TV PlatformLocation-Based AdvertisingLondon, England
Sky Media Germany

Sky Media Germany

Television & Streaming Advertising Sales

100% subsidiary of Sky Deutschland; exclusive ad marketer for Sky Germany + Sky Austria across linear, Sky Q, WOW (streaming), and AdSmart-DE. €546M TV ad sales 2023. AdSmart launched Feb 2019 (first non-UK rollout). Active programmatic CTV partner with StackAdapt as of March 2025.

Connected TV PlatformRetail Media PlatformUnterföhring, Bavaria
Sky Media Italia

Sky Media Italia

Television & Video Advertising / Ad Sales

Italian ad-sales house for Sky Italia covering Sky-branded pay channels, FTA channels (TV8, Cielo, Sky TG24), partner Disney/A&E/ViacomCBS inventory, and Aeroporti di Roma OOH. Operates Sky Advertising Manager self-serve platform (launched Oct 2020) plus Sky AdSmart Italia (the only addressable TV solution in Italy) and Fluid Content cross-network video tech.

Connected TV PlatformDigital Out-of-HomeRome, Lazio
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Skydance Media

Merged

Media & Entertainment

Independent media company founded by David Ellison in 2010. Produced major film franchises (Top Gun: Maverick, Mission: Impossible) in partnership with Paramount Pictures since 2009. Merged into Paramount Skydance on August 7, 2025 to form "Paramount, A Skydance Corporation" (PSKY).

Los Angeles, California
Skyhook

Skyhook

Location Intelligence & Data

Skyhook is a location technology company providing precise positioning solutions using Wi-Fi, cell tower, and GPS data for mobile devices and IoT applications.

Attribution & AnalyticsLocation-Based AdvertisingBoston, Massachusetts
Skykit

Skykit

Business Intelligence and Data Analytics

Skykit is a cloud-based technology provider specializing in comprehensive data integration and business intelligence solutions designed for modern enterprises. The platform addresses the critical challenge of data fragmentation by enabling organizations to consolidate information from multiple disparate sources, transform raw data into meaningful insights, and deliver those insights through intuitive visualization tools. Serving mid-market to enterprise organizations, Skykit's solution combin...

Data & AnalyticsMarketing Analytics
Skyword

Skyword

Content Marketing Technology

Skyword is a comprehensive content marketing platform that enables enterprises to plan, create, distribute, and measure high-quality content at scale. Founded in 2010 and headquartered in Boston, Massachusetts, the company has established itself as a leader in the content marketing technology space by combining sophisticated workflow management software with access to a vetted network of creative professionals including writers, designers, videographers, and strategists. This unique hybrid ap...

Creative Management PlatformMarketing PlatformBoston, Massachusetts