United Kingdom | EN
#1 in Marketplace Quality
OpenX consistently ranks high on the Pixalate Global Seller Trust Index across all three categories: US, International and Mobile App. OpenX employs the only marketplace quality team in the industry and provides proprietary technology that denies approximately 40% of supply based on strict quality standards.
Unique Inventory Access
Direct relationships with 1,200+ publishers and 50K+ apps bring demand partners preferred access to direct sold inventory, placing you higher in the publishers’ ad tech stack. For greater audience reach, OpenX provides First-Look deals, Programmatic Direct buying and header bidding relationships.

Highest Quality Standards
The OpenX Ad Exchange is fully integrated with white ops, IAS and MOAT, proudly certified “Against Piracy” under TAG’s Program Inventory Quality Guidelines and a key contributor to the recently introduced “Certified Against Malware” program. We are one of a select group of companies to complete the thorough review process to meet TAG’s rigorous anti-fraud standards: • Certified Against Fraud • Certified Against Piracy • Inventory Quality Guidelines • TAG Registered
Maximising Value for Brands & Marketers
Quality. Experience. Scale. Technology.
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