Which AWS service or tool should the company use to meet this requirement?

Explanations:

AWS Trusted Advisor provides recommendations for best practices and cost optimization but does not offer account consolidation or billing management.

AWS Organizations allows you to create and manage multiple AWS accounts. It enables consolidated billing, allowing a single account to pay for multiple member accounts, streamlining the billing process.

AWS Budgets helps in setting and tracking budgets for AWS spending but does not consolidate billing across multiple accounts. It does not manage payment processes between accounts.

AWS Service Catalog is used for creating and managing catalogs of IT services that are approved for use on AWS. It does not facilitate account billing or payment consolidation.