Single AWS account
If you have experimented with AWS, you might have used a single AWS account in which to perform some of your initial non-production work. You might have even started to manage some of your early workloads as production resources in the single AWS account.
If you have a single account today and either have production workloads in place or are considering deploying production workloads, we recommend that you transition to the use of multiple accounts so that you can gain the Benefits of using multiple AWS accounts. Refer to the Transitional OU for information on the considerations for moving accounts into a new overall AWS environment.