In Saudi Arabia's healthcare and hospitality sectors, the consequences of inadequate cleaning extend far beyond aesthetics. Hospital-acquired infections (HAIs) remain a persistent challenge in regional healthcare systems, and hotel hygiene failures have become publicly visible in the social media age. Deep cleaning programs in these environments must achieve demonstrably higher outcomes than routine maintenance cleaning — not just visual cleanliness, but verified microbial reduction, chemical residue control, and documented compliance with sector-specific standards. The Central Board for Accre