Topline - Commercial


Trust your commercial property requirements to the experts in trade services. At Topline, we have teams of qualified plumbers, gasfitters and drainlayers who have vast experience when it comes to new installations, repairs and maintenance.

We’re proud of our credentials and we are the preferred supplier for a number of business building owners, property managers, body corporates and construction companies. We have experience across all properties, from commercial and industrial complexes, to retail and corporate premises and have undertaken work for schools, churches, rest homes, retirement villages, government institutions, hotels, major corporations and more. With our in-house capabilities, we really are a one-stop shop when it comes to specialist trade services.

Our operations team can take care of your installation, project management and maintenance and servicing requirements, while our administration support provides quoting, tendering, job history, customised invoicing and WIP reporting, insurance, compliance, warranty management and outstanding customer service! We continue to invest in new systems and software to make our processes align better for our customers. Our proprietary software schedular is crucial in making sure we adhere to critical time lines - ensuring we and the main contractor meet milestones through the build process, which removes the stress for all parties.

We take Health & Safety very seriously and are WorkSafe compliant with an in-house dedicated company HSE Manager. We are committed to completing every job in a safe and responsible manner. Our company aim is to ensure zero harm. We are proud to have achieved SiteWise Gold status, with a score of 100% for the sixth year running. 


If you own or manage a commercial property, you will know that regular servicing and maintenance of your plumbing, gas or drainage assets can prevent budget blowouts down the track by finding, and fixing, potential concerns before they become a costly problem. Read more on our Programmed Asset Management page.


We are experts in new installations, maintenance and servicing. Our team of experienced, licensed plumbers have the knowledge and expertise to keep your plumbing in top condition. We cover:

  • All types of plumbing work
  • Hydraulic design engineering
  • Installation, commissioning and maintenance of commercial plumbing and heating circulation systems
  • Backflow – installation, testing and maintenance to certification standard
  • Water tempering for energy saving


Keeping your gas appliances certified and well maintained is critical to the safety of your staff and customers, and the efficient running of your business.

We undertake all types of gasfitting work including:

  • Gas fired heating design, repairs, servicing and new installs
  • Hot water cylinders and heat pumps
  • Appliance servicing
  • Central heating
  • Pool heating
  • Solar hot water systems
  • Water tempering
  • Energy saving solutions
  • Reporting, testing, compliance certification


Our team of licenced drainlayers has the knowledge and specialist equipment to keep your drains clear and free-flowing. We can repair, upgrade or replace with new drains as required.

We offer:

  • Drain laying, new installations
  • Drainage repair and upgrades
  • Drain clearing / unblocking
  • Pipe location and planning
  • CCTV inspection and reporting
  • Hydro-jet high pressure clearing
  • Vacuum suction
  • Technical advice and solutions

If you have a project, large or small, we’d be happy to discuss it in more detail and provide a quotation. Simply enquire online, call 0800 111 818 or email us at


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Call 0800 111 818 for all enquiries.

International customers please
call: +64 96306 353

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