
WELCOME TO THE ONG BUSINESS HUB
One Number Group (ONG) is a diversified business group delivering professional services across disability support, maintenance, facilities management, asset services, and business solutions. Each division operates independently while aligning with ONG’s commitment to quality, compliance, and client-focused delivery.
HERE IS YOUR ONG BUSINESS IN ADELAIDE, SA
One Number Group (ONG) operates across diverse industries through dedicated divisions, allowing us to deliver specialized expertise while maintaining unified standards of excellence.




Client Testimonials
Discover what our clients have to say about the outstanding home services they received. Their happiness is our top priority!
ONG’s AUSBAS Division to my company from basic to extreme in the matter of months.

AUSBAS by ONG has taken all out Admin problems away and provided us work a steady and happy work force.

Bill and his team from ONG are fantastic. Not only did i get all my Disability Modifications done i got them on time with great customer service. I can not thank the boy’s enough for coming and making my way of living easier with my old age.
Mrs, Anderson
Housing SA Tenant
