About ONG
About Adelaide’s Trusted Home Services Provider
One Number Group (ONG) is a diversified business group delivering high-quality services across disability support, maintenance, facilities management, asset services, and business support solutions. Through our specialized divisions — ONG Disability & Maintenance, ONG Facility & Asset Services, and AUSBAS — we provide reliable, compliant, and client-focused solutions across multiple industries.
At ONG, we believe strong systems, skilled people, and clear processes are the foundation of excellent service. Each division operates with industry-specific expertise while aligning with our group’s shared values of professionalism, integrity, and accountability.
We are committed to supporting individuals, organizations, and communities by delivering services that are practical, responsive, and built for long-term success. Whether supporting disability participants, maintaining critical assets, managing facilities, or providing business services, One Number Group is focused on delivering outcomes that matter.
One Group. Multiple Services. One Standard of Excellence.
Expertise You Can Trust: Our Achievements
We are proud of our achievements and the difference we have made for our customers. Here are some key statistics that highlight our commitment to providing exceptional services:
20+
Years of Dedication
With over 2 decades of experience, One Number Group has been the trusted experts in home services.
1000+
Satisfied Clients Testimonials
Trusted by countless clients for their diverse service needs.
5000+
Expert Disability Modifications
One Number Group: Your One-Stop Solution for All Your Home Needs in Adelaide.
20+
Skilled Team Members
Experience the highest level of support with our team of skilled professionals.
Impressed by the professional approach and top-notch service from One Number Group.
Customer
Community Business Owner