As of August 3, 2026, 87 named companies are verified to use OneTrust and 83 to use Qualys. 3 companies are verified to use both, including Deloitte, Microsoft, Wipro. Every company below is backed by a public source.
Notable: Aflac Incorporated, Cintas, Cisco, Microsoft.
View the full Qualys list →3 verified on both lists.
Based on publicly-sourced evidence, CompetitorIQ has verified 87 named companies using OneTrust and 83 using Qualys as of August 3, 2026. Each figure counts only companies with a linked public source, so both are conservative floors, not the vendors' full customer counts.
3 companies are verified to use both, including Deloitte, Microsoft, Wipro. Each appears on both verified customer lists with its own public source.
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