The phrase "Project Management & Advisory Services" refers to a range of activities and tasks that are involved in the planning, coordination, execution, and successful completion of a project. These services encompass all aspects of project management, including project planning, budgeting, scheduling, risk management, resource allocation, quality control, and project documentation.
Furthermore, the "related areas" mentioned in the sentence are all the different aspects of the project that must be managed, monitored, and evaluated throughout the entire project lifecycle. This includes everything from the initial project feasibility study and design, through to procurement, construction, installation, testing, and commissioning.
In essence, Project Management & Advisory Services provide the necessary expertise and support to ensure that the project is completed on time, within budget, and to the required quality standards, while also mitigating risks and addressing any issues that may arise during the project lifecycle.