> ## Content Index
> Fetch the complete content index at: https://www.medianexis.com/llms.txt
> Use this file to discover other available public pages before exploring further.

# Agencies back away from owning agentic AI tools and client data
- URL: https://www.medianexis.com/agencies-back-away-from-owning-agentic-ai-tools-and-client-data/
- Published: 2026-10-03T12:25:27.000Z
- Updated: 2026-10-03T12:25:28.000Z
- Description: AdExchanger’s Anthony Vargas reports that agency executives at Programmatic IO NY, including S4’s Sir Martin Sorrell and Horizon’s Bob Lord, say clients should own the data and AI models agencies build for them.
- Author: The Signals Desk
- Tags: Agencies, Anthony Vargas, AdExchanger: agencies avoid owning agentic AI tools

**Why it matters.** Brands gain leverage to switch agencies without losing custom AI tools or data built on their behalf, since ownership now defaults to the client rather than the agency.

*Signal from* [*adexchanger.com*](https://adexchanger.com/?ref=medianexis.com) *·* [*Anthony Vargas*](https://www.medianexis.com/tag/by-anthony-vargas/) *·* [*read the original*](https://www.adexchanger.com/agencies/why-agencies-think-they-shouldnt-own-agentic-ai-tools-or-the-data-used-to-build-them/?ref=medianexis.com)*.*