Here when you need us 24/7. "Guaranteed same-day emergency service"

The Commercial Plumbing Business, For Sydney Businesses


Punctual, professional, dependable

The Hospitality & Commercial Plumbing Business you need

At Watermark Plumbing, we understand that you have a business to run and even a small disruption can have a big impact.

Our highly experienced Commercial Plumbing team works at top level efficiency and precision, making it possible to keep your business open for trade while we work on your job. Our commercial plumbing contractors are very responsive and are committed to doing the job right, on schedule and with no mess.

Reactive Maintenance
  • 24/7 emergency response
  • Leak investigation and repairs
  • Burst pipes tracing and repairs
  • Drain clearing and CCTV investigation
  • Sewer and stormwater relining
Preventative Maintenance
  • Preventative maintenance plans
  • Backflow prevention testing
  • Thermostatic mixing valve testing
  • Water conservation solutions
  • Sewer, stormwater and trade waste maintenance
Plumbing Installations
  • Full building hydraulic upgrade – sewer/water/gas
  • Backflow installations
  • Thermostatic Mixing Valve installations
  • Hot water installation and upgrades
  • Roof and gutter

We focus on

Long Term Relationships

Many of our clients have been with us for over 25 years.


Same Commercial Plumbing Trade

But we do it differently

Watermark Plumbing is a professional commercial plumbing business. When you contract to us, you can expect

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A plumbing partner that provides full reporting and regular communication


A strong administration team making your job easier

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Professional job management software with real-time tracking of our fleet, service and materials


A qualified, robust team that arrive quickly and know how to deliver a quality job

Communication is at the core of everything we do.


Matt Haggerston
Owner and Principal

Trades Monitor

Looking for a commercial plumbing partner?

Watermark Plumbing Gives you more for your service investment

Whether you’re a busy city hotel, or a commercial office block, Watermark Plumbing provides dependable commercial plumbing services for the smooth running of your business. If you’re ready to work with professional plumbers backed by a powerhouse office team, let’s talk.

Service and advice you can trust

Running your Business can be stressful. But the plumbing doesn’t have to be. We’re committed to quality plumbing and communication that exceed best practice and customers’ expectations.