Business Details
50+ Years
experience
Emergency
services
Trusted Commercial Cleaning Services in San Diego
Since 1969, Pegasus Building Services has redefined industry standards through science-backed cleaning solutions, sustainable practices, and proprietary technology. Our team of over 1,000 dedicated professionals delivers customized services for commercial, industrial, and critical environments nationwide. Backed by our patented (OS1) Cleaning Operating System and PegDesk IoT platform, we ensure accountability, efficiency, and measurable outcomes. As a 100% employee-owned company since 2013, we prioritize long-term relationships, rapid responsiveness, and consistent performance.Our expertise spans cleanrooms, data centers, compounding pharmacies, and more, with a commitment to safety, innovation, and client satisfaction. Headquartered in San Diego, we serve over 300 facilities across the U.S., combining advanced technology with eco-friendly practices to create healthier, safer environments.
Services
Janitorial Services
Day Porter Services
Cleanroom Cleaning
Data Center Cleaning
Hydrogen Peroxide Fogging
Details
- Year established: 1969
Highlights and features
- We deploy over 1,000 trained professionals using proprietary (OS1) Cleaning System technology
- Our 24/7 emergency response guarantees resolution within 30 minutes
- 100% employee-owned company ensures higher staff retention and accountability
- Specialized cleaning for critical environments including ISO-certified cleanrooms and data centers
- Sustainable practices reduce environmental impact without compromising effectiveness
Associations and certifications
- ISO 9001:2015
What people say
Exceptional professionalism
Great to work with
Fast response
Outstanding team
Attention to detail
Services
Janitorial Services
Our janitorial services maintain pristine commercial environments through customized cleaning plans. Using eco-friendly products and microfiber technology, we ensure sanitized spaces for offices, healthcare facilities, and warehouses. Daily, weekly, or deep cleaning options adapt to client needs while maintaining sustainability standards.
Cleanroom Cleaning
Specialized cleanroom services ensure ISO 9001-compliant decontamination for laboratories and manufacturing facilities. Our technicians use H2O2 fogging and HEPA filtration to achieve 99.9999% microbial elimination, maintaining sterile conditions for pharmaceutical, biotech, and high-tech industries through scheduled and emergency cleanings.
Data Center Cleaning
Precision data center cleaning prevents equipment failure through subfloor sealing and anti-static protocols. Our specialists use non-invasive techniques to remove contaminants without disrupting operations, ensuring optimal airflow and preventing overheating in mission-critical IT environments.
Hydrogen Peroxide Fogging
H2O2 fogging services provide molecular-level decontamination for healthcare and industrial spaces. The HaloMist system neutralizes viruses, bacteria, and spores in hard-to-reach areas, achieving near-sterile conditions without surface damage, ideal for outbreak prevention and regulatory compliance.
Day Porter Services
Day porter services maintain operational efficiency through daytime cleaning and maintenance. Our professionals handle restroom sanitation, trash removal, supply restocking, and emergency cleanups across corporate offices, schools, and industrial sites, ensuring continuous cleanliness without disrupting daily activities.
Questions
What industries do you serve?
We specialize in commercial, industrial, and critical environments including healthcare facilities, data centers, cleanrooms, compounding pharmacies, and manufacturing plants.
Are your cleaning methods environmentally friendly?
Yes, we use green-certified products, low-water techniques, and microfiber technology to minimize environmental impact while maintaining high cleaning standards.
Do you offer 24/7 emergency services?
Yes, our 24/7 emergency response team guarantees issue resolution within 30 minutes for critical contamination incidents or facility disruptions.
How do you ensure service quality?
We implement our proprietary (OS1) Cleaning System with real-time monitoring, QR verification, and facial recognition timekeeping to maintain accountability and consistent performance.
Can you handle multi-location facilities?
Yes, we manage single-site and multi-location portfolios nationwide with standardized processes ensuring uniform quality across all your facilities.
Are your staff trained for critical environments?
Our technicians undergo ISO-standard certification for cleanrooms, USP 797/800 compliance for pharmacies, and specialized data center protocols to ensure regulatory adherence.
