COS
At COS (Complete Office Supplies), we’re proud to be Australia’s largest 100% family-owned office supplies company — supporting businesses, schools, and communities nationwide for over four decades.
Founded in 1977 by Dominique Lyone with a simple vision to serve others through hard work and integrity, COS has grown from a small stationery shop in Parramatta into a thriving national supplier with over 500 passionate team members across nine distribution centres.
We provide an extensive range of products that keep workplaces and learning environments running smoothly, including:
- Office essentials like stationery, paper products, filing and storage solutions
- Technology and IT accessories to keep your business connected and productive
- Cleaning and hygiene supplies designed to maintain safe, healthy workplaces
- Breakroom and catering supplies for staff wellbeing and convenience
- Furniture and ergonomic solutions to enhance comfort and productivity
- Educational resources supporting schools and educators across Australia
With a product catalogue that spans thousands of items, COS is your one-stop shop for everything your business or institution needs.
Beyond supplying quality products, our family-led company is deeply committed to giving back. Through the Lyone Foundation, we donate 1% of annual revenue to support education, social welfare, and community initiatives, contributing over $20 million to date.
Guided by our core values — Passion, Innovation, Service Excellence, and Family — COS delivers personalised service and tailored solutions to meet the unique needs of every customer.
COS — Proudly Australian, powered by family, and dedicated to helping your business thrive.
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