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Optus Business vs SIAX Computing Solutions: Which MSP is Better? | The MSP Playbook

Optus Business vs SIAX Computing Solutions

A detailed comparison of two major Australian Managed Service Providers.

Feature Optus Business SIAX Computing Solutions
Overall Score3.0β€”
TypeTelco / EnterpriseMelbourne MSP / Cybersecurity
Employees2000-3000Not publicly disclosed
Founded1991Not publicly disclosed
HeadquartersSydney, NSW (Parent: Singapore)Melbourne, VIC
RevenuePart of Singtel; EBITDA $2.2B (FY2025)Private
Salary Range$75,000 - $145,000Not publicly disclosed
SpecialtiesCybersecurity, Cloud, Network Services, Managed ServicesManaged IT Services, Cybersecurity, Microsoft 365, Azure, Cloud, Backup, Service Desk
CertificationsMicrosoft Partner, AWS Partner, Cisco Partner, Fortinet Partnerβ€”
Green FlagsSingapore Telecom parent provides stability
Strong telecommunications backbone
Good benefits package		24/7 security service advertised
Managed IT, cloud, and cybersecurity services documented
Cloudtango MSP Select 2026 recognition reported by provider
Red FlagsTelco culture Ò€” IT services are secondary
Below-market salaries
Limited career progression
Bureaucratic decision-making		Independent employee and client evidence remains limited in the public sources reviewed
Worker ProsStable employment
Good benefits
Telecommunications expertise		β€”
Worker ConsIT services are secondary to telco
Below-market salaries
Bureaucratic culture
Limited career progression		β€”

Which MSP Should You Choose?

Both Telco / Enterprise and Melbourne MSP / Cybersecurity have strengths and weaknesses. Your choice depends on your priorities β€” whether that's career growth, salary, work-life balance, or technical exposure.

Use the side-by-side comparison tool for a deeper look, or check out individual profiles for detailed employee reviews.

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⚠️ The Cost of Waiting

Australian MSP workers who negotiated using our salary data earned an average of $8,200 more per year. Every month you wait is ~$683 left on the table.

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🎁 Free Resource: Red Flag Checklist

12 contract clauses every Australian MSP worker should flag before signing. Includes non-compete traps, sham contracting indicators, and on-call gotchas.

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