The 12 closest competitors and alternatives to Index Exchange among adtech companies — ranked by similarity to what Index Exchange actually does, not by market-cap band.
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Index Exchange operates a global supply-side platform and ad exchange that facilitates digital advertising transactions across multiple screens and formats. The company serves media owners, publishers, marketers, and agencies by providing tools for inventory management, data analytics, and programmatic ad delivery.
Index Exchange is an adtech company headquartered in Canada. Xcout tracks 12 named people at Index Exchange, including Andrew Casale (President and CEO). Xcout recorded 5 job postings from Index Exchange in the last 90 days.
6 more named people on record for Index Exchange, with roles, board committees and tenure — see the full roster →
Xcout recorded 5 job postings from Index Exchange in the last 90 days, from a hiring record Xcout has kept since June 2026.
The weekly hiring trend, the roles and locations behind it — see Index Exchange's hiring signals →
Ranked by semantic similarity — how close each company is to Index Exchange by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Similar adtech company
OpenX operates a programmatic advertising supply-side platform (SSP) that connects digital publishers with demand partners for automated ad buying. The company provides software solutions for curation, yield optimization, audience targeting, and inventory monetization.
Similar adtech company
Magnite operates an independent sell-side advertising platform that provides technology for media owners and publishers to monetize their content across various screens, including streaming, video, display, and audio. Additionally, the company offers tools for buyers and agencies to curate and access premium advertising inventory globally.
Similar adtech company
Integral Ad Science, Inc. is a global media measurement and optimization platform that delivers digital ad verification, fraud prevention, and viewability analytics for the advertising industry.
Similar adtech company
Media.net operates a sell-side platform (SSP) that provides advertising technology solutions for digital publishers and advertisers. The company offers audience targeting, unique ad formats, monetization tools, and campaign optimization services to help publishers maximize ad revenue and advertisers reach targeted audiences.
Advertising Technology
Axis is a programmatic advertising technology company that provides a multi-product adtech infrastructure including an exchange, supply-side platform, and demand-side platform for publishers and buyers.
Similar adtech company
TripleLift is an advertising technology company that provides a supply-side platform (SSP) connecting data, creative formats, and media inventory for advertisers, publishers, and partners. The company offers data-driven ad solutions—including native, video, CTV, and retail media formats—designed to optimize campaign performance, reduce media waste, and measure real-world business outcomes.
Advertising Technology
VIOOH provides a global programmatic digital out-of-home (DOOH) advertising supply-side platform connecting media owners and buyers.
Similar adtech company
Nexxen International (formerly Tremor International) provides an integrated technology platform consisting of a demand-side platform (DSP), supply-side platform (SSP), and data solutions. It serves advertisers, publishers, and data partners by enabling campaign planning, inventory monetization, cross-channel measurement, and audience targeting across formats such as Connected TV (CTV) and video.
Similar adtech company
Freestar is an adtech company that helps digital publishers monetize their websites and apps through programmatic advertising, header bidding, and ad-yield optimization. It serves publishers by managing and optimizing their advertising operations and revenue.
Similar adtech company
Innovid provides an independent, omnichannel advertising platform that helps advertisers and publishers create, deliver, measure, and optimize digital ad campaigns. Its software solutions support ad authoring, cross-channel delivery, audience management, performance measurement, and AI-driven workflow automation.
Similar adtech company
Sovrn is an adtech company that provides independent publishers with tools for digital advertising monetization, including programmatic advertising, commerce content, and analytics. Its customers include online publishers and creators seeking to manage and grow revenue from their content.
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