Let us use our three decades of GTA experience, skilled cleaning personnel, and advanced hospital-grade procedures to ensure a pristine, healthy, and safe environment for your facility.
99.8% Client Retention Rate
Behind our commitment to excellence are key attributes and rigorous methodologies that set our commercial service standards apart.
We hold an enviable track record of satisfying our clients and getting back their bond money, establishing ourselves as Ontario’s trusted partner in commercial cleaning.
We deploy precision HEPA filtration vacuums, hospital-grade non-toxic disinfectants, and colour-coded microfiber workflows to systematically eliminate cross-contamination.
We use certified biodegradable cleaning formulas that are 100% free from VOCs, artificial dyes, and harsh scents, preserving indoor air health for employees and visitors.
Our commitment goes far beyond surface wiping. We execute standardized sanitization cycles that target high-touch contact points, eradicate bacterial reservoirs, and ensure full compliance with provincial environmental hygiene policies.
Every crew member undergoes comprehensive pre-task orientation, site-specific demonstration, and hands-on supervision by senior operations management.
Discover why corporate headquarters, medical clinics, and industrial facilities in the Greater Toronto Area rely on Dalta Building Services.
"Dalta has managed our corporate janitorial services for over three years. Their attention to detail, HEPA vacuuming schedules, and responsive emergency flood support have been second to none."
Operations Director, Ascend HQ
"We strictly require PIDAC guidelines compliance for our outpatient clinics. Dalta's medical-grade sanitization services consistently exceed audit standards. Truly exceptional service."
Facility Manager, Cityview Medical
“Handling 85,000 sq.ft. of logistics space requires speed, reliability, and attention to detail. Dalta’s floor maintenance and power washing crews keep our facilities clean, pristine, ensuring a safe and professional environment every day.”
Logistics VP, Apex Distribution
Contact Mississauga & Greater Toronto’s top-rated commercial cleaning specialists today for a customized facility walkthrough and quote.