Why Choose Demos?
Ethical. Sustainable. Transparent. Since 1987.
Delivering excellence in cleaning and facility services — with integrity at our core.
Born in Melbourne in 1987, Demos Property Services has evolved into a proudly 100% female-owned company, built on ethical operations, sustainable innovation, and unmatched transparency.
Every site we serve receives a bespoke approach — designed, delivered, and refined through long-term partnerships and measurable outcomes. Our people take pride in their work, and that pride shows in every space we maintain.
At a Glance
Demos in Numbers
78%
Indigenous supplier spend
74%
paper reduction
through digital tools
100%
female-owned
Since 1987, Demos has quietly led the field in commercial cleaning and facilities support—meeting 100% of client KPIs, month in, month out.
We’re proudly 100% female-owned, directly employed personnel, and driven by our ethics and customer satisfaction goal
"Respect for our staff, clients, the environment and always acting with integrity, honesty and hard work are the foundation of our business relationships and our brand.
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Without these, we have no value."
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Penelope Demos - Director/CEO
