Engineering that works in the real world.
Smart, practical consulting and design for wastewater and process systems.
Developing Our People for Growing Our Business
At 4D Ltd., we cut through the bloat to deliver focused, high-quality engineering services. Whether you’re a council with a compliance deadline or a factory with a tricky wastewater issue, we help you get it sorted quickly, clearly, and without unnecessary cost.
Process Design & Project Management
Smart, efficient design and light-touch project management that works seamlessly with your team and contractors.
Wastewater Treatment
Tailored solutions to treat, manage, and optimise wastewater systems practical, compliant, and operator-friendly.
Engineering Drawings
Clear, build-ready documentation including P&IDs, 3D models, and schematics all aligned with international standards.
Operational Excellence
Support tools and documentation that empower operators manuals, maintenance plans, and safety processes made simple.
Developing Our People for Growing Our Business
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HOW IT WORK
Check Out Our Work Process
Request a Meeting
Talk directly with our engineers to discuss your project needs we’ll listen, advise, and explore the right approach together.
Receive Custom Plan
Get a tailored, practical solution that fits your site, budget, and team designed for real-world execution, not just theory.
Let’s Make it Happen
From first sketch to final sign-off, we’re with you turning plans into outcomes with clarity, speed, and technical precision.
TESTIMONIAL
Our Customers Are Saying!!
We brought 4D Ltd. on for a wastewater optimisation project and were impressed by how quickly they understood our system. Their team was responsive, down-to-earth, and delivered exactly what we needed—on time and without overcomplicating things.