NZ Certified Contractors

Government Building
We understand you need a building that works for
you and your organization, and it must function well.
Health Care Construction
We are very familiar with the challenges of creating high-quality, cost-effective health care environments.
Water Treatment
The most powerful things we do is help improve
water quality for millions of people each year.
Our Services
House Renovation
With over thirty years of experience in residential renovation design and over 16,000 renovation plans delivered to this day.
Service DetailMetal Roofing
Homeowners can have confidence in their choice of a metal roofing contractor knowing they have met certain requirements in their services.
Service DetailGeneral Contracting
As the general contractor, we first create the highest level of trust and integrity with our clients. We value our role in the success of your project.
Service DetailLaminate Flooring
The flooring professionals at Construction offering laminate flooring and timber flooring with award winning flooring installation services.
Service DetailNew Build House
Green construction refers to a structure and using process that is environmentally responsible and resource-efficient throughout a building's life-cycle.
Service DetailThe Effective Teamwork
With over thirty years of experience in residential renovation design and over 16,000 renovation plans delivered to this day.
Service DetailTestimonials
Koya contractors did an excellent job from the conceptual stage through the finished construction of our new warehouse/corporate office facility. We look forward to working with them again on our next project.
Our construction project started in the winter—and the conditions were not ideal. Despite this, Koya Contractors successfully finished our project on time and without any safety incidents.