About Us
At BTR Drainage & Earthworks Ltd, we take pride in delivering high-quality civil drainage services. Our experienced team works tirelessly to ensure the highest standards of quality and reliability, making us a trusted partner in every project. From start to finish, we are committed to excellence, safety, and customer satisfaction.

Our Team
At BTR, our team is composed of talented and dedicated experienced professionals who bring a wealth of experience in civil drainage. We take pride in working seamlessly to deliver projects on time or ahead of shedule, always prioritizing collaboration with both on-site and off-site partners. Our commitment to quality and teamwork ensures the successful completion of every project we undertake.
We are committed to providing the highest quality workmanship in every project. Our attention to detail and rigorous quality control measures ensure that each job is completed to the highest standard. We take pride in our craftsmanship and strive for perfection in every task.

Blake Tau-Riwhi
Director

Tracey Tau-Riwhi
Contracts Manager

Brenden Riwhi
Project Manager
GOOD GUYS (Our Moto)
Grit & Reliability
We are known for turning up, pushing through challenges, and getting the job done. BTR brings resilience, commitment, and consistency to every project—no matter the conditions.
Unity & Respect
We are known for turning up pushing through challenges, and getting the job done. BTR brings resilience, commitment, and consistency to every project—no matter the conditions.
Ownership
We take pride in our work and take responsibility for our outcomes. From planning to completion, we own the result and stands by the quality we deliver.
Your Standard of Quality
Our reputation is built on workmanship we are proud of. We hold a high standard so clients, councils, and engineers can trust the work we deliver.
Operational Excellence
Quality is built into our systems, planning, and execution. We work to approved designs, specifications, and programmes to ensure drainage and earthworks are completed right the first time.
Service & Integrity
We act with honesty, transparency, and professionalism. BTR delivers on its commitments and builds long-term relationships based on trust.
Discipline & Safety
We are known for turning up, pushing through challenges, and getting the job done. BTR brings resilience, commitment, and consistency to every project—no matter the conditions.
Growth & Capability
We invest in our people, equipment, and processes. Continuous improvement and upskilling allow us to deliver better outcomes and adapt to increasingly complex projects.
