Enabling business productivity, cost optimisation and security

Staying connected with your teams and customers always is vital for your business success establishing and maintaining the voice and data networks to keep you connected can be complex and time-consuming. It can also be extremely costly if your networks fail.

To help free your team from the challenges of staying connected, we draw on more than 20 years experience to implement sustainable voice and data services that provide your organisation with a competitive edge.

As an extra set of hands, whether on-site or via remote support, Brennan can be an extension of your business to help you with day-to-day voice and data management.

Hero FW__Voice and Data

Need help staying connected?

We can be your complete, long-term partner in managing all your voice and data needs to increase productivity and help your businesses grow.

Contact one of our experts on 1300 500 000 or submit an online enquiry.

Get real-time insights into your network's performance with our Network Portal

Our network portal is real-time network management, monitoring and charting platform, which allows you to easily visualise your network traffic flows and proactively monitor the performance of your devices across even the most complex IT environments.

Effective and secure voice and data technology

Having a suitable suite of telephony, internet, video , and conferencing products can keep your people collaborating productively and ensure your customers can reach you for the service they want when they want.

As a leading telecommunications service provider in Australia, our best-of-breed solutions boast seamless integration of telephony, video conferencing, voicemail, email, instant messaging, and desktop sharing with one directory and real-time presence status on both fixed and mobile devices. This creates a genuinely unified intelligent collaboration experience for your staff, clients and suppliers.

Talk to our team

Our team would love to see how we can help you.

Get in touch

Cloud Connectivity Delivering your business productivity and agility

For your business to succeed, individuals and groups must connect with applications securely across various platforms.

We help improve business productivity, agility, and cost-efficiency by developing effective SD-WAN solutions to enhance user experience and control traffic.  Utilising our hybrid networking model, we deliver the predictable, low-packet loss, private and reliable backbone provided by MPLS while simultaneously aggregating bandwidth and reduced operational costs using SD-WAN, without compromising high-quality performance and security.

Unified Communications Driving profit through greater collaboration

Keeping your teams seamlessly connected with each other and your customers to drive greater collaboration can help you increase profitability. Research from Deloitte states that companies that unlock a collaborative crowd’s power through unified communications are twice as likely to be profitable.

We help improve the way individuals and groups interact with internal and external stakeholders across multiple devices through establishing effective unified communications that are easy to use. These solutions make connections seamless, transparent and without interruption and can be implemented across voice, video, team messaging and content sharing.


Data Service Securing mission critical assets cost effectively

As your organisation grows, it often becomes unsustainable to keep IT equipment in your offices. As well as overheads such as power and maintenance, it can be hard to maintain an ideal temperature for your servers. A far more manageable and safer approach is to reside offsite in a secure dedicated data centre facility permanently.

Our data centre facilities are engineered to support the highest levels of security and availability for your mission-critical applications, hosting IT infrastructure and intellectual assets. Located in Australia, our cost-effective data service offering not only keeps your data onshore, but in a 24/7/365 monitored Tier 3 data centre that complies with the highest regulatory guidelines.

Flexible, adaptable, and secure services


Unifying teams through reliable networks 

Brennan can be your complete Voice and Data provider, as we offer unified communications that ensure all your voice, internet, video conferencing and general support needs are met through our cost-efficient and secure IT solutions.


Cost-optimised solutions based on experience 

We help you avoid the costly expenses and time-consuming processes by providing all your voice and data needs from one provider. We implement a low-cost broadband service with our high-quality products and networks, to ensure effective and affordable delivery.


Strategic partnerships with service providers 

We partner with all major service providers to ensure your business has access to robust voice and data technologies that allow interaction across various networks globally and remotely.


24/7 Service Desk 

We provide ongoing support to all your voice and data needs to prevent, resolve, and constantly maintain high-quality user experience across all platforms and networks.

Smart business solutions that help you thrive

With over 650+ highly certified technology specialists, we help businesses to review, design, implement and manage a right fit technology solution that will enable your people to deliver the best outcomes for your customers.

If you are looking to gain better insights form your data, develop a new application or business process to deliver efficiencies and increase customer satisfaction, or your IT team needs help in managing and protecting your IT environment – we’ve got you covered.

Smart business solutions that help you thrive

With over 650+ highly certified technology specialists, we help businesses to review, design, implement and manage a right fit technology solution that will enable your people to deliver the best outcomes for your customers.

If you are looking to gain better insights form your data, develop a new application or business process to deliver efficiencies and increase customer satisfaction, or your IT team needs help in managing and protecting your IT environment – we’ve got you covered.


  • Business Applications

    Are legacy applications limiting your growth potential and causing frustration across your business? We’ll optimise your mission critical business applications to enable your future growth.

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  • Cloud

    Is your current Cloud strategy lacking clarity and direction? Looking to increase productivity and give your customers a better experience? We help you get the most from Cloud.

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  • Professional Services

    Looking for casual IT support? Need help with a project or having issues finding It staff? Discover how our Professional services team can help.

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  • Voice & Data

    Need to find a better way to support a work-from-anywhere workforce? Not getting real-time insights into your network’s performance. Let us unify and optimise how your business collaborates.

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  • Hardware & Software

    Selecting and managing the right end-point devices, infrastructure, software, and related services can be time-consuming and costly. Our team can streamline your procurement.

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  • Cybersecurity

    Can your security solution really support a work-from-anywhere workforce? Do you have the right skillset to develop, manage and monitor security across your business? Our team helps reduce risks to secure your greatest assets.

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  • Service Desk

    Are your people getting the right IT support? Not getting real-time visibility on incidents, risks, and remediations? Our proactive and innovative teams help remove the burden of every-day-IT.

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  • Managed Endpoint

    Finding it hard to provide a secure and seamless experience at scale? Looking to take the pressure off internal IT? Our experienced team provides a common and easy-to-manage It environment.

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  • Managed Cybersecurity

    Frustrated with a one-size-fits all approach to Cybersecurity? Not getting 24/7 proactive monitoring of your IT environment? We design, implement, and manage a robust cybersecurity solution – giving you peace of mind.

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  • Managed Cloud

    Are you struggling to manage the complexity of your Cloud environment? Can’t find a partner with the right Cloud skillset? We can plan, optimise, and manage any Cloud environment.

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  • Managed Infrastructure

    Looking to optimise the performance of your IT infrastructure? Are legacy systems hindering your growth potential? Let us transform the way manage your critical infrastructure.

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  • Managed Networks

    Network letting you down – suffering too many outages? Does it support a ‘work-from-anywhere’ workforce? And is it secure? We’ll optimise and manage your network to deliver better outcomes for your business.

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Customer success stories

Whether it be business, government or enterprise level organisations, Brennan is here to help! Explore our success stories below.

View case studies

What our customers say

Brennan has done an amazing job, and we really couldn’t be happier. Thank you all for your amazing work and dedication to improving our IT systems.

Peter Leodis, Information Technology Manager, Ironfish

So much can be said about how Brennan is a great partner for Provincial Home Living. We are very happy with our choice and continue to choose Brennan for all of our future and ongoing work.

Glenn Wykes, Information Technology Manager, Provincial Home Living

I know with Brennan, AirRoad is in safe hands. Brennan’s clever personnel can be trusted to more than deliver high quality resolutions. Without hesitation I would recommend Brennan’s services to others. Keep up the great work.

Lionel Rodrigues, Group IT Manager, AirRoad

We have been a client of Brennan IT for 13 years and have always received outstanding service. Our account manager Jonathan Steele has proactively provided advice and guidance, always responded quickly, and displayed a degree of technical ability and professionalism beyond most account managers.

Richard Owens, IT Director, Trustees of the Christian Brothers Oceania Province

During this challenging period, Alan, Brennan’s Unified Communications Specialist, has kept our critical infrastructure up across all our sites; enabling YSAS to provide support and care to the community. Awesome work, Alan.

Chris Chen, ICT Manager, YSAS

Brennan delivered a solution that suited our requirements precisely. The team took  time to understand our requirements and shortcomings so that the solution would achieve our key objectives. The result is a solution that fits our requirements, has delivered all the benefits we expected, and will save the firm both time and money in years to come.

Matt Purves, Chief Information Officer, Macpherson Kelley Lawyers

Keeping your business connected to everyone

Get in touch

Tell us what you need help with, and we’ll send the right expert your way.