The 5S Methodology: Sort, Set in Order, Shine, Standardise, Sustain

4 min read · Updated July 2026

5S is the simplest and most visible Lean tool — a five-step method for creating an organised, efficient and safe workplace. It is where many improvement journeys begin because the results are immediate and obvious.

The five steps

1. Sort — remove everything that is not needed for the work being done.
2. Set in order — give everything a home, so the right things are easy to find and reach.
3. Shine — clean the area and the equipment, turning cleaning into inspection.
4. Standardise — agree the best way and make it the norm with simple visual standards.
5. Sustain — build the habits and checks that keep the first four in place.

Why 5S matters

A disorganised workplace hides problems, wastes time searching, and makes defects and hazards harder to spot. 5S removes that clutter so issues become visible — which is why it is often the first step before more advanced Lean work.

Running a 5S event

Pick one area, take "before" photos, then work through the first three S’s as a team in a focused session. Agree standards, add visual controls (labels, shadow boards, floor markings), and set a short recurring audit to sustain it. Take "after" photos — the contrast is a powerful motivator.

The hardest S: Sustain

Most 5S efforts slip because Sustain is neglected. A quick weekly audit, visible scoring, and leaders who walk the area keep the standard from decaying back to the old normal.