Nemjon is a commercial plumbing & drainage

Nemjon Contracting is your trusted partner for comprehensive plumbing, drainage and civil contracting in Western Australia. We provide a broad service offering that includes general plumbing, gas fitting, drain relining, roof plumbing, hot water systems, heating and air conditioning installation and servicing. With over seven decades of collective experience across commercial, mining and civil sectors, our team delivers reliable project outcomes on time and within budget. We operate with strong licensing and compliance practices, ensuring safety, quality and regulatory adherence at every stage of a project. The business was founded to deliver reliable, compliant services across WA, and we remain dedicated to handling complex projects with a workshop-to-site mindset that minimises risk and maximises uptime. We partner with leading brands and products where relevant, applying best-practice installation methods and rigorous testing to guarantee enduring performance for everyday operations and critical facilities alike.

Our services are designed to cover the full lifecycle of construction and facilities maintenance. We specialise in plumbing and gas fitting for new builds and refurbishments, drainage and sewer installations, pipe relining, backflow prevention and water metre services, and comprehensive sit...