“Yes. Google Chat now supports exactly this: inviting external clients into specific conversations without giving them access to your entire company workspace.”
+ external collaboration with clients
“Google Chat now supports exactly this: inviting external clients into specific conversations without giving them access to your entire company workspace.”
+ conversation-level access control
“No. Google Chat provides conversation-level access.”
+ dedicated client Spaces
“For a small business working with multiple clients, I'd recommend one dedicated Google Chat Space per client.”
+ group conversations with external clients
“You can now create group DMs containing multiple external users. This became available in July 2026.”
− file access requires careful Drive permission management
“One important distinction: clients can access files shared within their conversations or Spaces, so you should still manage Google Drive permissions carefully.”
Google Workspace
“You'll need Google Workspace, with an eligible Business or Enterprise plan.”