Gantt Chart
A Gantt chart lays a project out as a timeline. Tasks are listed down the left, time runs along the top, and each task appears as a bar positioned and sized to show its start, duration, and end. Links between bars show dependencies — where one task must complete before another can start — and markers show milestones. The result is a single picture that answers the two questions everyone asks about a plan: what is meant to be happening now, and is the whole thing on track.
The strength of a Gantt chart is communication. It makes a complex schedule legible to people who will never read a detailed project plan, which is why it is a staple of status updates and stakeholder reviews. Its weakness is that it implies more certainty than a plan often has: a neat chart can suggest a fixed sequence in situations that are genuinely fluid, and keeping a detailed Gantt current can become a chore. It suits planned, sequential work far better than fast-changing, iterative delivery, where agile boards are usually a better fit.
In HR and GCC programmes, Gantt charts are common for exactly the kind of scheduled, dependency-heavy work these functions run. Standing up a centre, rolling out an HR system, or planning a phased hiring ramp all have tasks that must happen in order — you cannot onboard before offers, or fit out a floor before the lease — and a Gantt makes those dependencies and the critical path visible. It is also a natural way to show leadership a hiring or transformation timeline and to flag where slippage in one workstream threatens the launch date.
Frequently asked questions
What is a Gantt chart used for?
A Gantt chart is used to visualise a project schedule as a timeline, showing when each task starts and ends, how long it lasts, and how tasks depend on one another. It gives an at-a-glance view of what is happening when and whether the project is on track.
What does a Gantt chart show?
A Gantt chart shows tasks as horizontal bars along a time axis, with each bar’s position and length indicating its start, duration, and end. Links between bars show dependencies, and markers highlight milestones.
What are the limitations of a Gantt chart?
A Gantt chart can imply more certainty than a plan really has and can be laborious to keep current. It suits planned, sequential work but is a poor fit for fast-changing, iterative delivery, where agile boards usually work better.
When would HR use a Gantt chart?
HR uses Gantt charts for scheduled, dependency-heavy programmes such as a GCC set-up, an HR system rollout, or a phased hiring ramp. They make the order of tasks and the critical path visible and are a clear way to show leadership a timeline.