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Founded in Australia 45 years ago, by Dominique Lyone COS has over 500 employees located across every State and Territory of Australia. Today, COS remains a family run and privately owned business with Dominque’s daughters Belinda and Amie Lyone leading the business together as Co-CEO. At COS, our purpose is to help other businesses succeed by keeping Australian workers healthy, safe, and productive. We're committed to staying close to our customers and providing them the best experience and delivering specialist solutions for every room in their workplace. Our success at COS allows us to help everyday Australians through the Lyone Foundation by supporting underfunded and local Australian charities focused on human welfare. We are proud to have given back over $15 million to communities through the Lyone Foundation so far. To view our current job vacancies, visit our Careers Page: https://www.cos.net.au/c/careers

COS Questions

The COS annual revenue was $105.9 million in 2026.

Dominique Lyone is the CEO of COS.

290 people are employed at COS.

COS is based in Lidcombe, New South Wales.

The NAICS codes for COS are [45321, 453210, 4532, 453, 45].

The SIC codes for COS are [504, 50].

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