Companies

Helium 10 is a comprehensive software suite for Amazon sellers, offering tools for product research, keyword optimization, listing management, and analytics — now operating under the Thrasio umbrella.

Help Scout is a customer service software platform designed to help growing businesses deliver exceptional customer support experiences. The company provides a comprehensive suite of tools including shared inbox management, knowledge base software, and customer communication features that enable support teams to collaborate effectively while maintaining personalized interactions with customers. Help Scout's platform emphasizes simplicity and user experience, making it particularly popular amo...

Helpshift is an AI-powered customer service platform specializing in in-app and digital support, acquired by Keywords Studios in 2023 to serve mobile gaming and consumer app companies.

Asia-Pacific digital media network acquired by Publicis Groupe for influencer + creator-economy capabilities.

HERE Technologies is a global leader in location data and mapping technology, providing precise geospatial intelligence and location services to enterprises, automotive OEMs, and developers worldwide.

Hevo Data is a no-code data pipeline platform that helps businesses integrate data from various sources into their data warehouses or destinations. It automates the process of data extraction, transformation, and loading (ETL/ELT), enabling data teams to focus on analytics rather than pipeline maintenance.

Hex Technologies is a collaborative, AI-powered data-analytics workspace (hex.tech) that unifies SQL, Python, R and agentic AI for data teams. Founded 2020, San Francisco. (Distinct from WPP's creative studio HEX.)

HEX is WPP's AI-driven creative studio — part creative production studio, part R&D lab, part consultancy — launched June 2026 within WPP Production, staffed by ~50 Gen-Z creative technologists. (Distinct from Hex Technologies, the data-analytics company.)

Hexagon is a global leader in digital reality solutions, providing an integrated portfolio of sensor technologies, software platforms, and autonomous systems that enable organizations to capture, measure, and visualize physical assets and processes with unprecedented accuracy. The company serves diverse industries including manufacturing, infrastructure, public safety, mining, and geospatial applications, delivering solutions that bridge the physical and digital worlds through advanced measur...

Hibu is a digital marketing solutions provider focused on helping small and medium-sized businesses with online advertising, website development, and local search marketing.

Highcharts is a leading provider of JavaScript-based charting libraries that enables developers and organizations to create interactive, visually compelling data visualizations for web and mobile applications. Founded in Norway, the company has established itself as a trusted solution in the data visualization space, serving developers across industries ranging from finance and healthcare to media and e-commerce. Their flagship product offers a comprehensive suite of chart types including lin...

Highspot is a sales enablement platform that helps companies improve sales performance by empowering sales teams with the content, guidance, and training they need to engage buyers effectively. It combines content management, sales playbooks, training & coaching, and analytics into a single platform to drive consistent sales execution and achieve revenue goals.

Hightouch is a reverse ETL (extract, transform, load) platform that helps companies sync their data from their data warehouses to their marketing, sales, and customer support tools. This enables real-time data synchronization and improves operational efficiency by automating data flows.

Hill & Knowlton was a major WPP PR agency dating to 1927. Merged with BCW on July 1, 2024 to form Burson. Hill & Knowlton brand retired post-merger.

HilltopAds is a global advertising network specializing in popunder, display, and video advertising with a focus on high-traffic publishers and performance-driven campaigns.

HilltopAds is a global advertising network specializing in popunder, display, and video ads with a focus on high-traffic publishers and performance-based campaigns.

Hinge Health — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Hippo Video is a comprehensive video creation and marketing platform designed to help businesses leverage video content for sales, marketing, and customer support. The platform enables users to create, edit, personalize, and distribute video content at scale without requiring advanced technical skills. Founded to address the growing demand for video communication in business contexts, Hippo Video provides tools for screen recording, video editing, personalized video messaging, and video analy...

History Channel is a leading cable and satellite television network owned by A&E Networks, delivering historical, documentary, and reality programming to over 90 million U.S. households.

Hitachi is a Japanese multinational conglomerate with significant AdTech and data analytics capabilities, offering AI-driven solutions for digital transformation, data management, and connected intelligence across industries.

Hitachi Vantara — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Hitsteps is a real-time website analytics and live chat platform designed to help businesses understand visitor behavior and engage with customers directly. It provides detailed insights into who is on your site, what they are doing, and where they came from, enabling better conversion optimization and customer support.

Hive is a collaborative work management platform purpose-built for marketing and creative teams that require sophisticated project coordination integrated with creative-specific workflows. The platform addresses the operational complexities inherent to creative work by unifying project management, digital asset management, approval workflows, and resource planning within a single workspace. By consolidating communication channels, task tracking mechanisms, and file collaboration tools, Hive e...

Hive9 was a marketing performance management platform that helped B2B marketers plan, execute, and measure marketing investments with revenue impact visibility.