[Sent with Free Plan] Quarterly office deep cleaning ROI: $2,400/year vs $4,800/year in employee sick days saved (50-person Bukit Batok office, 2025-2026 data).
Industry rule: $1 spent on professional cleaning saves $2 in lost productivity. Office sick days drop 22% on average.
If you're running a Singapore office and skipping quarterly deep cleans to save $200, you're losing $400 in employee output every month.