The study behind the claim
Horrevorts, Van Ophem and Terpstra published “Impact of cleanliness on the productivity of employees” in Facilities in 2018. The researchers studied five nonprofit organizations in the Netherlands, combining employee questionnaires with measurements of surface cleanliness and airborne particles. They reported significant correlations between measured cleanliness, work satisfaction and perceived productivity.
What it does and does not establish
The study supports an association in those workplaces. It does not prove that cleaning caused satisfaction to improve, measure a guaranteed increase in output, or establish a universal percentage return on cleaning spending. The limited organizational sample also restricts generalization. Perceived productivity is a self-reported measure, rather than an objective count of completed work.
Apply the evidence thoughtfully
For daytime office employees, useful priorities include ready-to-use bathrooms, clean shared kitchens, dust management and workstations serviced without disturbing personal materials. Ask employees which conditions interfere with their day. Keep noise, floor drying and product odors in mind when choosing a cleaning schedule.
Measure your own workplace
Use the same short satisfaction survey before and after a service adjustment, alongside inspection records and complaint response times. Record other changes such as occupancy, renovations or ventilation work. These observations can guide operations but do not create a controlled scientific experiment. A walkthrough can turn recurring employee concerns into a clear Columbus office-cleaning scope.
Sources & further reading
Source review: October 19, 2026. This educational guide does not replace product labels, facility protocols or qualified infection-prevention advice.