Australian technology & telecommunications partner
Built to be more than a technology provider
The business has evolved well beyond transactional telecommunications. Today, Star21 operates as a long-term managed services partner across enterprise mobility, Secure Modern Workplace, cyber security, connectivity & managed ICT.
Founded in 2006 & headquartered in Melbourne, Star21 works with organisations across Australia to design, deliver & manage secure, scalable technology environments.
- Australian-owned
- Established in 2006
- National capability
- Enterprise, Government & Mid-Market focus
Strategic managed technology partner
From technology supplier to trusted advisor
Star21 is not positioned as a transactional reseller, carrier-dependent provider or generic IT support company.
Instead, the business is focused on becoming a strategic managed services partner that helps clients reduce complexity, improve control & get greater value from their technology environment.

Customer-focused managed services
Technology is important. The experience around it matters just as much.
Clear ownership
Clients know who is responsible.
Personal engagement
Long-term relationships with people who understand the environment.
Responsive support
Structured support when users or IT teams need help.
Proactive improvement
Regularly look for opportunities to improve service, cost & performance.
Consistent communication
Keep stakeholders informed without unnecessary complexity.Telstra Platinum partner
A long-standing Telstra partner with broader managed services capability
Star21 has built a significant part of its history through long-term Telstra relationships & Telstra-aligned enterprise opportunities. At the same time, its managed services capability can support broader technology environments, including non-Telstra & multi-carrier organisations where engagement criteria are met.
Technology services for Enterprise, Government & Mid-Market
Built for organisations with more to manage
We support enterprise, mid-market and government organisations with national operations and structured technology needs.
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Enterprise & Multi-Site organisations
We help enterprise and multi-site organisations simplify complex mobility, workplace and security environments through structured managed services, centralised visibility and consistent support across locations.
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Government
We help government organisations strengthen governance, security and service continuity through structured technology management, clear accountability and consistent support across complex environments.
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Mid-Market businesses
We help mid-market businesses simplify growing technology environments with scalable managed services, stronger visibility and practical support that reduces pressure on internal teams.
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Regulated industries
We help regulated organisations strengthen security, compliance and operational control through structured governance, proactive risk management and dependable support across high-accountability environments.
We help enterprise and multi-site organisations simplify complex mobility, workplace and security environments through structured managed services, centralised visibility and consistent support across locations.
We help government organisations strengthen governance, security and service continuity through structured technology management, clear accountability and consistent support across complex environments.
We help mid-market businesses simplify growing technology environments with scalable managed services, stronger visibility and practical support that reduces pressure on internal teams.
We help regulated organisations strengthen security, compliance and operational control through structured governance, proactive risk management and dependable support across high-accountability environments.
Who Star21 works best with
The more complex the environment, the more value we can add
We work with enterprise, mid-market and government organisations that require structured management, governance and long-term technology partnerships. Typically organisations with:
- 100 to 1,000+ employees for Managed Mobility
- 50+ employees for Modern Workplace solutions
- National or multi-site operations
- Mobile-dependent workforces
- Multiple vendors or carriers
- Increasing security requirements
- Recurring technology & telecommunications spend
- A desire to simplify vendors & improve governance
- Limited internal specialist capability
Long-term managed technology partnership
Stay with one partner as your technology evolves
Star21’s model is built around:
- Renewals
- Technology refreshes
- Fleet upgrades
- Workplace expansion
- Security uplift
- Ongoing optimisation
- Managed service extensions
Careers at Star21
Build better technology experiences with us
Customer-focused culture
Putting customer needs at the heart of every decision.
Technology expertise
Work alongside experienced professionals across modern technology solutions.
Long-term relationships
Build trusted relationships with customers, partners, and colleagues.
Professional development
Grow your skills through continuous learning and career opportunities.
Major technology partnerships
Collaborate with leading global technology brands and solution providers.
Enterprise projects
Contribute to large-scale technology projects for major organisations.