Who We Are

We are a global leader in digital advertising technology. OpenX creates highly efficient, high quality programmatic advertising markets that deliver optimal value to buyers and sellers and evolves rapidly to support the growth of the digital economy across screens and formats. We do this via our proprietary technology that includes an SaaS multi-screen and multi-format ad server, a Real-Time Global Ad Exchange and a next generation Supply Side Platform (SSP)

Our Investors

We make it easy for publishers and advertisers
to buy and sell advertising programmatically

How We Can Help You

Ad Buyers

  • Access to over 1200 publishers across US, EMEA, LATAM, APAC
  • Buy inventory in real time across all screens and ad formats
  • Direct Integrations & Private Exchanges for first look opportunities
  • Dedicated in-house team of traffic quality controllers to guarantee high quality traffic
Learn about OpenX for Ad Buyers


  • Maximise yield from all your digital advertising through a single ad platform
  • Attract the world’s top advertisers to your site in real time
  • Sell valuable audience segments to advertisers at a premium
  • Full control over who buys your inventory
  • Operate in a safe and trusted environment that’s monitored by Adometry & Integeral Ad Science
Learn about OpenX for Publishers


Put Great Content in its Place.

Access the power of the OpenX Ad Exchange for your mobile apps and mobile web inventory to maximize the value of each impression.

Gain instant access to the marketing budgets of 100% of AdAge’s Top 100 Advertisers and more than 34,000 brands. Access over 150 DSPs and 700+ Agencies and Trading Desks.

OpenX supports a wide range of ad sizes to fit your needs and maintain the best user experience.

Learn about OpenX for Mobile


We help over 1200 publishers worldwide
to maximise their ad revenue

We give 100% of AdAge’s Top 100 Advertisers access
to premium inventory

Our Clients

“After conducting a rigorous evaluation of the various options available in the market, we are convinced that OpenX is the right option for us.”

Santo Criscuolo
Senior Vice President, Media Group at United Online
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"We’re delighted to partner with OpenX and use its excellent technology."

Daniel Park
VP of Media Solution Center at Samsung Electronics
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"Our partnership with OpenX has provided TURN access to quality inventory reach and scale for our buyers."

Global Partner Marketing Manager at TURN
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"We have an enhanced way to sell and manage digital display inventory with a trusted partner like OpenX.”

David Lebow
Executive Vice President and General Manager, Digital Markets Group at YP
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"Within two months, our CPMs quadrupled... OpenX does a great job in turning things around very quickly and showing you how to succeed."

Ad Operations Manager at Lycos
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Thought Leadership

When Device Recognition and Programmatic Buying Intersect

For marketers to make the most of mobile they need to deal with a number of challenges: issues of addressability, attribution, ad format, how to recognize and reach audiences programmatically. This paper, written jointly with AdTruth, describes how mobile RTB – enabled by a new approach to device identification – addresses these challenges.


You’ll find OpenX hosting, attending, sponsoring, speaking, and exhibiting at a number of events.

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