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39 Years
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Expert Commercial Cleaning & Facility Services in Melbourne
Established in 1987, Demosservices has grown into Australia's leading 100% female-owned commercial cleaning and facilities management provider. Our foundation rests on ethical operations, sustainable innovation, and absolute transparency in every client relationship. We deliver tailored solutions through long-term partnerships, combining measurable outcomes with industry-leading safety standards. Our team's dedication to excellence is reflected in our 90% staff retention rate and 98.2% average QA score across thousands of inspections. We maintain 100% compliance with client KPIs through our proprietary myPSR dashboard, which provides real-time operational visibility.

Our commitment to Indigenous procurement sees 78% of consumables sourced from Indigenous-owned businesses, while our environmental initiatives have achieved 74% paper reduction and significant landfill diversion. As an ISO 9001, 14001, and 45001 accredited organisation, we combine technical expertise with cultural diversity, employing teams that reflect the communities we serve across Victoria, New South Wales, and Queensland.
Services
Commercial Cleaning Sustainability Consulting Specialist Cleaning Post-Construction Cleaning Concierge Services Floor Maintenance Upholstery Care Window Cleaning Hospital Sanitisation Deep Cleans
Details
  • Year established: 1987
Highlights and features
  • Australia's only 100% female-owned national cleaning provider since 1987
  • 90% staff retention with 96% directly employed personnel
  • 78% Indigenous supplier spend across consumables procurement
  • 74% paper reduction through proprietary digital systems
  • Real-time service tracking via custom myPSR dashboard
Associations and certifications
  • ISO 9001
  • ISO 14001
  • ISO 45001
What people say
Rapid response Clear documentation Exceeds standards Flexibility through pandemic Expert solutions
Services
Commercial Cleaning
Customised cleaning solutions tailored to site-specific risk profiles and operational requirements. Our KPI-driven approach ensures consistent compliance with audit standards while maintaining 100% client satisfaction. The service includes daily maintenance, defect reporting, and dedicated support teams.
Specialist Cleaning
Advanced cleaning for complex environments including healthcare facilities, laboratories, and commercial kitchens. Our certified technicians use industry-specific protocols for hospital-grade sanitisation, high-access cleaning, and surface preservation across stone, vinyl, and epoxy finishes.
Sustainability Consulting
Environmental strategy development aligned with ESG goals and waste reduction targets. Services include waste diversion programs, chemical-free alternatives, and digital systems implementation to achieve measurable sustainability outcomes while improving operational efficiency.
Post-Construction Cleaning
Comprehensive cleaning services following construction projects, adhering to manufacturer specifications and asset protection requirements. Includes detailed defect reporting and compliance documentation to ensure readiness for occupancy and maintenance planning.
Concierge Services
24/7 lifestyle services for commercial tenants including parcel management, event coordination, and urgent maintenance requests. Our helpdesk ensures immediate response times and seamless integration with building management systems for enhanced occupant satisfaction.
People
Penelope Demos
Director/CEO
Penelope Demos leads Australia's only 100% female-owned national cleaning provider, driving ethical practices and innovation since 1987. Her vision combines sustainability with technological advancement while maintaining core values of integrity and staff welfare.
Questions
What cleaning services does Demos offer?
We provide commercial cleaning, specialist cleaning for complex environments, post-construction cleaning, concierge services, and sustainability consulting across Australia.
Are Demos services ISO certified?
Yes, we hold ISO 9001 (Quality), ISO 14001 (Environmental), and ISO 45001 (Occupational Health & Safety) certifications.
How does Demos ensure service quality?
Through our proprietary myPSR dashboard for real-time tracking, SafetyCulture audits with 98.2% average QA scores, and facial sign-in technology for accountability.
What sustainability initiatives do they implement?
78% Indigenous supplier spend, 74% paper reduction, hybrid vehicle fleets, waste diversion programs, and GECA-certified chemicals.
Do they offer 24/7 support?
Yes, our 24/7 Helpdesk provides continuous support for urgent requests and service management.
What industries do they service?
We work with commercial BTR, CBD portfolios, healthcare facilities, laboratories, and property groups across Australia.
Reviews (2)
Nick
Oct 22, 2021 Report
Positive:Professionalism,Quality,Responsiveness,Value
Great team, a pleasure to deal with, go above and beyond and would highly recommend using thier services. Thank you!
Zerina Sehic
Jan 23, 2019 Report
Best in the business. Thank you to the team, in particular Andrew, Penny & Nick for always resolving and actioning things so promptly. Wouldnt recommend anyone else, they get the job done and they definitely will not disappoint! Thank you guys for all your hard work :)