If your app is for internal company use (within a Google Workspace organization), you can suppress the warning by:
This won’t fully remove the line, but it changes it to:
This application was created by [your domain] If your app is for internal company use
Steps:
Many developers assume removing the warning is free—it is not. This won’t fully remove the line, but it changes it to:
For personal projects or small businesses, this is often prohibitive. In that case, simply accept the warning or migrate to a no-code platform.
If you need to share your app with users outside your organization, you must submit your app for Google’s verification. This process can take anywhere from a few days to several weeks. This application was created by [your domain]
This is the standard method to stop a script from accessing your data (Gmail, Drive, Calendar, etc.).
The notice “This application was created by a Google Apps Script user” cannot be removed directly from a standard script.google.com deployment without violating terms. However, three legitimate architectural alternatives exist: proxying with HTML rewriting, embedding in Google Sites, or publishing as a Marketplace add-on. Organizations requiring white-label solutions should consider proxy-based masking or enterprise licensing options.