About Us

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Years of Experience

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Completed Projects

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Happy Clients

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Days Average Turn Around Time

Real Solutions, Backed by Experience and Integrity

At OTG Group, we bring over 20 years' hands-on experience in hydraulic design and plumbing. Our journey began with Russell, a seasoned plumbing professional who started as an apprentice and worked his way up to becoming a licensed contractor and commercial hydraulic estimator. Today, our Perth-based team of experts continues to deliver reliable, cost-effective hydraulic solutions to a diverse range of projects across Western Australia.

What Makes Us Different?

Our team consists of licensed plumbing contractors with real-world experience. This means our designs are practical, efficient, and built to perform in the field. We’ve seen the challenges that can arise on-site, and we plan for them, ensuring our solutions integrate seamlessly with every project.

Our Principles Guide Everything We Do

Transparency and Integrity: We believe in open, honest communication. You’ll always know the ‘why’ behind our decisions, and we encourage questions.
Accountability: We take responsibility for our work, ensuring every project is completed to the highest standards.
Collaboration: With a focus on teamwork and effective communication, we leverage our collective expertise to deliver outstanding results.
Innovation Through Learning: At OTG, every challenge is an opportunity to grow. We continually refine our approach to ensure our designs lead the industry.

Our Promise

We don’t just design systems; we create solutions that work seamlessly. Every project benefits from our extensive on-site experience, technical expertise, and unwavering commitment to excellence. Whether you need efficient stormwater management, reliable sewer and sanitary systems, smart greywater re-use, or comprehensive fire safety solutions, OTG Group has the knowledge and skills to bring your vision to life.

From reliable cold water systems and effective trade waste drainage to efficient hot water solutions and precise gas designing and sizing, our team ensures every design is practical, compliant, and built to last — delivered on time and within budget.