Project life cycle – stages of the project management process

Complex projects are broad in scope, resource-intensive and carry significant strategic weight. Managing them effectively demands a higher level of project management expertise.

The Project Management Institute (PMI) developed the project management life cycle to address this. It’s a framework designed to guide project managers in running their projects smoothly and effectively.

For project managers, the life cycle brings greater cohesion to a project, ensuring all team members – especially those from multiple departments – stay aligned and can collaborate with ease.

Here’s how it works.

This post will cover:

• What is the project life cycle?
• What are the five stages of the project management process?
• Adapting project phases to different project life cycle models.
• Make sure projects succeed with Adobe Workfront.

The project life cycle covers all the steps project managers need to deliver a project successfully, from start to finish.

A defined project life cycle gives project managers a systematic approach to managing their work. It supports smooth, efficient execution – building cohesion among team members and keeping all departments aligned. Breaking the project into manageable phases makes it easier to monitor progress, stay on schedule and deliver within the allocated budget.

This structured approach is essential for turning strategic goals into successful project outcomes. The framework’s strength lies in its ability to act as a clear roadmap – giving teams greater control over project variables, smarter resource allocation and proactive risk management. Ultimately, understanding and applying a project’s life cycle is central to whether a project succeeds.

The project life cycle has five phases. Each phase represents a group of interrelated processes that must be completed for the project to succeed.

There are five stages in the project lifecycle:

1. Initiating
2. Planning
3. Executing
4. Monitoring and Controlling
5. Closing

Initiating phase

The initiating phase of the project life cycle consists of two separate processes – the project charter and the stakeholder register. This phase is about establishing the vision for your project, documenting what you aim to achieve through a business case, and securing sign-off from the sanctioning stakeholder.

The key components of the project charter include:

• Business case
• Project scope
• Deliverables
• Objectives
• Resources needed
• Milestone plan and timeline
• Cost estimate
• Risks and issues
• Dependencies

Clearly defining your goals and objectives upfront makes the project far easier to manage. Everyone involved gets a chance to raise suggestions or concerns, and the budget and costs can be agreed and signed off. This initiating phase is essential – not just for the project itself, but to ensure every team involved has input on what’s needed for success.

Planning phase

During the planning phase, it’s essential to clearly outline and define the reason for the project. Answering the following questions will help clarify what the project needs to achieve:

• What are we going to do?
• How will we do it?
• When are we going to do it?
• How will we know when we’re done?

As part of the planning phase, you’ll need to work with the team to put the full infrastructure in place and delegate specific tasks. This plan should include:

• Project management plan
• Project scope
• Work breakdown structure
• Resource plan
• Budget estimation

Pulling together a plan with input from the whole team is no small task. But when every department gets a chance to contribute, it helps surface potential issues early and cuts down on roadblocks later in the project.

Executing phase

The executing phase should involve the following vital parts:

• Team development
• Stakeholder engagement
• Quality assurance
• Communications
• Client management

This is the phase where it all comes together – where most of the budget is committed and most of the project deliverables are produced. You take your project plan and put it into action, whether that takes weeks, months or even years. Throughout this phase, communication is critical, as clients and stakeholders will regularly want updates and progress reports.

A reliable project management system takes the stress out of running a project. It’s easier to tick off tasks, check on deadlines and deliveries, and give the team a clear view of what still needs to be done.

With Workfront, you can keep the whole project team across the latest updates and make reporting to clients and stakeholders simpler.

Monitoring and controlling phase

During the monitoring and controlling phase, you need to keep across overall project progress as well as individual workstreams. Stay on top of tracking and reporting so the team is always aware of potential problems before they escalate.

Consider designating another project team member (or one from each department) to act as a quality controller or reporter. They can help track everything within their team, run regular meetings to update on all aspects and ensure the project stays on track.

Closing phase

The closing phase is the final stage of the project life cycle – and it goes well beyond simply marking the project as done. Formally closing the project and securing sign-off or approval from the customer, stakeholders, and/or project sponsor is essential.

This process might include:

• Delivering the project
• Hosting a post-mortem meeting
• Archiving project records
• Celebrating or acknowledging the achievement
• Officially disbanding or releasing the team

This final step in the project’s life cycle carries real weight. More organisations now bring in temporary teams to complete a specific project, then disband and regroup for the next one. That makes it particularly important for project management teams – especially those working with freelancers or consultants.

The following table provides a high-level overview of these five process groups:

The five project management process groups are versatile precisely because they adapt to different project life cycle models. The core principles – initiating, planning, executing, monitoring and controlling, and closing – stay constant, but how they’re emphasised and applied can vary significantly, depending on whether the project follows a predictive, iterative, incremental, agile, or hybrid life cycle.

• Waterfall life cycle:In traditional predictive models – commonly known as the waterfall model – project scope, time, and cost are locked in as early as possible. Life cycle phases are applied sequentially, with distinct phase gates marking each transition (e.g., completing all planning before execution begins). There is still progressive elaboration during planning, but the overall flow remains linear.
• Agile life cycles:Agile approaches such as Scrum and Kanban embrace change through rapid, iterative development cycles. Process groups are applied in a condensed, repetitive manner within each iteration or sprint.

• Iterative and incremental life cycles:These models develop the product through repeated cycles (iterative) and/or deliver outputs in a series of functional pieces (incremental). For example, an iteration might cover planning the features for that cycle, executing their development, monitoring progress, then closing the iteration with a review – before planning the next one.

• Hybrid life cycles:Hybrid models combine elements from both predictive and agile approaches to suit specific project needs. As a result, process groups are applied selectively. A project might use detailed upfront planning for overall scope and architecture, then shift to agile execution for developing specific components or features.

This adaptability highlights the strength of the PMI process group framework. It’s not tied to a single methodology – instead, it provides a universal set of management functions that can be tailored to the unique context and requirements of any project, regardless of the chosen delivery approach. Project managers get a consistent yet flexible toolkit to guide their projects to successful completion.

Project management software such as Workfront offers features and capabilities that directly support these activities. Its reporting and dashboard tools are invaluable during the monitoring and controlling phase. Combining the project management process framework with Workfront helps achieve successful project execution. Workfront keeps the whole project team informed and simplifies reporting to clients and stakeholders – directly supporting the communication and control aspects that are vital throughout the project life cycle.

To find out how Workfront can support your team’s project lifecycles and overall project management needs, watch the overview video.