Calah Contracting Civil and Earthwork Services New Zealand

WHO WE ARE

CALAH CONTRACTING IS PROUD TO BE A TRUSTED NAME IN THE EARTHWORKS, DRAINAGE, AND CIVIL CONTRACTING INDUSTRY THROUGHOUT THE WAIKATO.


WE SPECIALISE IN SMALL RESIDENTIAL PROJECTS, THREE WATER INFRASTRUCTURE WORKS AND CIVIL SITE WORKS. OUR REPUTATION HAS BEEN BUILT THROUGH CONSISTENT DELIVERY, WORKMANSHIP, AND A GENUINE COMMITMENT TO DOING THINGS RIGHT THE FIRST TIME. WE MAINTAIN A SMALLER TEAM TO PROVIDE PERSONAL SERVICE THAT DELIVERS QUALITY AND EXPERIENCE.

Landscaper in safety gear on a jobsite next to landscaping and earthworks equipment.

WHAT WE DO

Large-scale earthmoving operation with piles of dirt and construction vehicles

EARTHWORKS

WE COVER ALL THINGS EARTHWORKS, FROM VEHICLE CROSSINGS AND RETAINING WALLS THROUGH TO POND WORKS AND HOUSE SITES.

Civil construction site with workers and heavy machinery

CIVIL

WE ARE EXPERTS IN THREE WATER INFRASTRUCTURE WORKS, WITH KEY RELATIONSHIPS WITH MULTIPLE LOCAL COUNCILS YOU WILL QUITE OFTEN FIND US RENEWING WATER MAINS, UPGRADING SURFACE WATER DRAINAGE SYSTEMS AND WORKING WITH ALL THINGS WASTE WATER. OUR TOTIKA CERTIFICATION DEMONSTRATES OUR COMMITMENT TO SAFTEY IN THIS FIELD. 

Stormwater drainage system being laid with workers and machinery

DRAINAGE 

WE SPECIALISE IN ALL ASPECTS OF DRAINAGE, FROM RESIDENTIAL PROJECTS, SEPTIC SYSTEMS, STORMWATER DISPOSAL THROUGH TO VESTED SUBDIVISION DRAINAGE AND EVERYTHING IN BETWEEN. NO PROJECT IS TOO BIG OR SMALL.

Calah Contracting workers using hand tools on a construction site
Calah Contracting workers operating machinery and preparing the ground for earthworks
  • As a property developer, it’s crucial to work with tradesmen who are competent, reliable, and proactive. Calah Contracting consistently delivers on all three. Their workmanship is solid, they communicate exceptionally well, and they take a huge amount of stress out of council compliance and the construction process.

    With Calah’s attentive office support, paperwork and inspections stay on track, and nothing gets overlooked. They’re a team Queenwood Property can trust to get the job done right.

    Curtis - Queenwood Developments

  • I’m truly impressed with Calah Contracting’s drain laying services. They tackled every job, big or small, with fantastic workmanship and unmatched communication-keeping me updated every step. Couldn’t ask for better!

    Dane - Venture Developments

  • Matamata Piako District Council has used Calah Contracting for numerous projects. I have found Calum and his team to be very knowledgeable, skilled and proactive in solving any issues that arise and the workmanship is of a very high level.


    The communication and management during projects has been great and I would recommend Calah Contracting to anyone wanting a confident and capable contractor on their next project.

    Andrew - Matamata-Piako District Council

  • When you need a job done right, fast, and to the highest standard, Calum is the person you call. His work on renewing the bunding around the Te Aroha Wastewater Treatment Plant is a perfect example—completed quickly, within budget, and with outstanding quality. Calum isn’t just a skilled digger operator; he’s a true all-rounder. From building fences, retaining walls, and access stairs to jumping in at short notice to help with network issues, he brings versatility and reliability to every project. Safety is always front and centre, and his solid understanding of compliance makes him a trusted choice for council work. If you’re looking for someone who combines technical know-how with a can-do attitude, Calum is your guy.

    Stephen - Matamata-Piako District Council