Bay Underwater Services NZ Ltd is New Zealand’s largest privately owned commercial diving and marine construction company. Our extensive range of specialised equipment allows us to deliver safe, efficient, and high-quality results that consistently exceed client expectations.

With a highly qualified team of commercial divers experienced across multiple disciplines, we provide complete solutions for projects of every scale — from routine inspections to complex marine construction. Explore our services below and contact us to discuss how we can assist with your next project.