The guidance provided by ISO 21502 can be applied to any type of organization and all types of projects. Moreover, apart from project managers and executive management, the standard can be used by project sponsors and boards, auditors, and organizations that develop national or organizational standards or practices for project management.
At the organizational level, ISO 21502 recommendations can help organizations optimize the use of their resources and while maximizing value creation; thus, achieving their intended outcomes. It also promotes employee collaboration and enhances communication among personnel, suppliers, and customers relevant to the project, which results in stakeholder engagement and customer satisfaction. Moreover, ISO 21502 can lead to better business decisions, including the prioritization of tasks for projects and mitigation of risks.
ISO 21500 offers a comprehensive summary of project management principles and methods that may be applied to every project. On the other hand, ISO 21502 provides precise instructions on the tasks and procedures necessary for managing unique projects.
In general, ISO 21500 offers broad guidance on project management principles and methods, whereas ISO 21502 provides more detailed advice on managing individual projects.