What's the difference between project, program and portfolio management ?

The Difference between Project Management and Program Management

The following are a few differences between project management and program management:

• In project management you manage one individual project while in program management you manage multiple similar or related projects.
• A project can be a part of a program but a program cannot be a part of a project.
• Program management addresses the management of project management. It helps you set the project management processes and measure the project results

The Difference between Portfolio Management and Program Management

The following are a few differences between portfolio management and program management:

• In program management you manage similar projects, while in portfolio management you manage non-similar projects or different programs.
• The scope for program management is larger than the project scope, and the portfolio has organization-wide scope which changes with the strategic objectives of the organization.

Project Is Target of a Company

Prgram Is Execution Pattern of a Company

Portfolio Is Setup or Establishnent of a Company

These are different layer of management as portfolio has a collection programs and projects, program has a collection of projects, each one of these has its own management method.