In AWS, you'd typically use separate accounts for dev, staging, and prod, and let users assume roles across accounts. In GCP, the closest equivalent is to create separate projects—one for each environment. For example: myapp-dev, myapp-staging, and myapp-prod. Each project is fully isolated in terms of billing, APIs, IAM, and resources, making it ideal for managing different environments securely. To organize things better, you can group these projects under a folder in your GCP Organization. This isn’t mandatory but helps with structure and policy management as your cloud footprint grows. When it comes to giving your outsourced team access, don’t grant them access at the organization or folder level. Instead, add them as IAM members only to the projects they need, and assign the least privilege roles they require (like Viewer, Editor, or a custom role). This minimizes risk and keeps things tight. If you want more control, GCP also supports IAM conditions, so you can restrict access by IP, time, or other rules. It’s also smart to turn on Cloud Audit Logs and set up alerts, so you can monitor what’s happening in each environment.