I mean, you can't be 100% sure in any one case but they do have a lot of third-party companies listed for support: https://cloud.google.com/terms/subprocessors

I mean, you can't be 100% sure in any one case but they do have a lot of third-party companies listed for support: https://cloud.google.com/terms/subprocessors https://cloud.google.com/terms/subprocessors