Methodologies | Project Management Guide

Project Management Methodologies

Project management methodologies are structured approaches used to plan, execute and deliver projects. Different methodologies suit different types of projects and selecting the appropriate approach is important for achieving successful outcomes.

Waterfall

A traditional, linear approach where each phase of the project is completed before moving to the next. It is best suited to projects with clear requirements and minimal expected changes (Royce, 1970).

Agile

A flexible and iterative approach that focuses on continuous improvement, collaboration and adapting to change. It is well suited to dynamic environments where requirements may evolve (Beck et al., 2001).

Lean

A methodology focused on maximising value while minimising waste. It aims to improve efficiency by eliminating unnecessary processes and activities (Womack and Jones, 1996).

PRINCE2 is widely used across the Irish public sector and by organisations receiving HSE or government funding. If your charity or small business works with public sector funders, familiarity with PRINCE2's structured milestone reporting will be a significant advantage. (AXELOS, 2017)

Choosing the Right Methodology

Selecting the appropriate project management methodology depends on the nature of the project, the level of uncertainty and organisational needs. There is no one-size-fits-all approach and effective project managers must choose or adapt methodologies to suit specific contexts.

The complexity and size of the project
The level of uncertainty or change expected
The need for flexibility or structure
Stakeholder requirements and expectations
Organisational culture and experience

PRINCE2 and the Irish Public Sector

PRINCE2 (Projects IN Controlled Environments) is widely used across the Irish public sector and by organisations receiving HSE or government funding. (AXELOS, 2017) If your charity or small business works with public sector funders, familiarity with PRINCE2's structured milestone reporting will be a significant advantage.

Which methodology is right for you?

Clear brief, fixed deadline, fixed budget → Waterfall
Evolving needs, creative or digital project → Agile
Tight resources, cutting unnecessary steps → Lean
Government or HSE-funded project → PRINCE2
Small charity running your first project → Hybrid - a mix of Waterfall structure with Agile flexibility

There is no single right answer. The best project managers adapt their approach to suit the specific needs of their organisation and project. (PMI, 2021)