Our Certifications


With over 20 years in the floor polishing industry, NZ Grinders is committed to excellence.



NZ Grinders is Sitewise accredited.  Safety is the most important of our core values. It is our first goal during every work day. Membership of Sitewise means contractor pre-qualification – you can be assured Health and Safety is our priority.


Involvement in and support of the community are at the heart of our company.


NZ Grinders commitment to green building and sustainability is long-standing.


Sitewise gold certificate 2024/25 NZ Grinders

sitewise gold certificate 2023

Permacolour Decorative Overlay Certificate NZ Grinders Tauranga

Concrete polishing and grinding specialists