Contact Us
How can we help?
Get in touch with the right team for support, sales inquiries, or general questions. We are here to assist with anything you need.
Account support
Resolve account, billing or service-detail questions with the C9 team.
Email billingGeneral inquiries
Send general questions, project context or partnership enquiries through to C9.
Contact usHelp Centre
Find support pathways, common answers and service guidance in the C9 Help Centre.
Visit Help CentreTalk to People Who Can Actually Help.
Tell us what is happening in your business and what you would like to sort out. We will get it to the right person, ask sensible questions, and help you work out the next step.
Email us
Send through the background, the problem, or the idea you want to explore.
Sales@c9group.com.auVisit us
Level 1, 530 Little Collins Street
Melbourne VIC 3000
What happens next
We read it first
Your enquiry is checked by someone who understands the service area, so the follow-up starts in the right place.
We get back to you
We aim to respond within two business hours, confirm what you need, and line up the right next conversation.
You get a useful next step
That might be a call, a service pack, or a practical recommendation you can act on.
Our commitment to security excellence is validated through rigorous certification and continuous assessment
Our certification roadmap demonstrates our dedication to maintaining the highest security standards. We continuously invest in third-party validation to ensure our clients receive enterprise-grade protection backed by internationally recognised frameworks.
ISO 27001
Information Security Management System certified to Gold Level 3 and Bronze Level 1 international standards.
SMB 1001 Gold Level 3
SMB 1001 Gold Level 3 Information Security certification for high-integrity business environments.
SMB 1001 Bronze Level 1
SMB 1001 Bronze Level 1 Information Security certification for foundational system assurance.
Essential 8 Maturity
Full Essential 8 security framework maturity assessment, alignment, and systems validation.
ITIL 4 Foundation
Service management practices that help keep support, change, incidents and continual improvement structured around business outcomes.