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Brennan IT vs Optus Business: Which MSP is Better? | The MSP Playbook

Article 2026-06-11

Brennan IT vs Optus Business

A detailed comparison of two major Australian Managed Service Providers.

Feature Brennan IT Optus Business
Overall Score—3.0
TypeManaged ServicesTelco / Enterprise
Employees200-4002000-3000
Founded19971991
HeadquartersSydney, NSWSydney, NSW (Parent: Singapore)
RevenuePrivatePrivate
Salary Range$75,000 - $130,000$75,000 - $145,000
SpecialtiesManaged Services, Cloud, Unified CommunicationsCybersecurity, Cloud, Network Services, Managed Services
CertificationsMicrosoft Partner, Cisco PartnerMicrosoft Partner, AWS Partner, Cisco Partner, Fortinet Partner
Green Flags—Singapore Telecom parent provides stability
Strong telecommunications backbone
Good benefits package
Red Flags—Telco culture — IT services are secondary
Below-market salaries
Limited career progression
Bureaucratic decision-making
Worker ProsUC expertise
Good culture
Flexible		Stable employment
Good benefits
Telecommunications expertise
Worker ConsLimited career paths
Below market salary		IT services are secondary to telco
Below-market salaries
Bureaucratic culture
Limited career progression

Which MSP Should You Choose?

Both Managed Services and Telco / Enterprise have strengths and weaknesses. Your choice depends on your priorities — 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.