Calibre came to be after the owner Callum Proebstel ended a 9 year service with the NZ Army Engineers Division.

During his NZDF career, Callum not only gained all of his trade qualifications, he managed and supervised a team of engineers in Linton army base and travelled to destinations such as Antartica to perform his trade in probably some of the coldest conditions any Plumber could experience!

Callum and his team are now established in the greater Auckland area and continue to build their business and customer base ensuring the integrity and quality of work grounded from the NZDF carries through to Residential and Commercial projects.