Trethewey Granite & Marble has supplied and processed both Natural and Engineered Stone to the New Zealand market for over 30 years. Trethewey processes a large range of products as demanded by the market, working on both residential and commercial projects.

Within the residential market, Trethewey collaborates with architects, interior designers, cabinet makers and individual home owners to achieve the required concept in kitchens, bathrooms, fire surrounds, furniture and interior and exterior tiling applications.

The company has completed contracts for such diverse developments as Auckland Museum, Vero Centre, Lumley Centre, SkyCity, Britomart, St Patricks Cathedral, Te Papa - Museum of New Zealand and the The Parliament Building in Wellington.