As of July 20, 2026, 120 named companies are verified to use Twilio and 353 to use Vanta. 6 companies are verified to use both, including AppFolio, Atlassian (Halp), Box, Netflix, Rivian, Symbl.ai. Every company below is backed by a public source.
Notable: Netflix, Lyft, Shopify, Airbnb, Dell, Walmart, Instacart, Uber.
View the full Twilio list →Notable: 55 Degrees, Anthropic, Ashby, AssemblyAI, Atlassian, Atoro, BreachRx, BVNK.
View the full Vanta list →6 verified on both lists.
Based on publicly-sourced evidence, CompetitorIQ has verified 120 named companies using Twilio and 353 using Vanta as of July 20, 2026. Each figure counts only companies with a linked public source, so both are conservative floors, not the vendors' full customer counts.
6 companies are verified to use both, including AppFolio, Atlassian (Halp), Box, Netflix, Rivian, Symbl.ai. Each appears on both verified customer lists with its own public source.
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