A Complete Guide to Commercial Diving Companies in New Zealand

New Zealand’s marine and underwater industries rely on the expertise of commercial diving companies to support a wide range of operations, from biosecurity and aquaculture to salvage and construction. Whether it's conducting underwater inspections, performing infrastructure repairs, or mobilizing for environmental protection efforts, these professional dive teams play a crucial role in maintaining the health and functionality of New Zealand’s waterways and coastal infrastructure.

Here’s a look at some of the leading commercial diving companies in New Zealand, their specialties, and how they contribute to the industry.

1. Commercial Dive Specialists Ltd

📍 Bay of Islands and Warkworth, New Zealand
🔗 commercialdivespecialists.co.nz

Commercial Dive Specialists Ltd provides fully equipped dive teams and vessels to support projects across New Zealand. Their services cover a range of underwater operations, including infrastructure maintenance, salvage, and inspection work.

2. Diving Services New Zealand Ltd

📍 Nelson, New Zealand
🔗 divingservicesnz.com

This 100% New Zealand-owned company specializes in rapid mobilization for diving projects across the country. Their team of highly skilled divers, skippers, and supervisors ensures efficient and safe execution of underwater operations.

3. Bay Underwater Services NZ Ltd

📍 New Zealand
🔗 bayunderwater.co.nz

As the largest privately owned commercial diving and marine construction company in New Zealand, Bay Underwater Services boasts a team of 54 qualified divers. They handle a wide range of underwater projects, including infrastructure maintenance and underwater construction.

4. Wai Dive Services Ltd

📍 Christchurch, New Zealand
🔗 waidiveservices.co.nz

Specializing in biosecurity diving, Wai Dive Services Ltd plays a vital role in monitoring and protecting New Zealand’s waterways and lakes. They also operate across the Pacific Islands, offering their expertise in invasive species management and environmental protection.

5. Underwater Solutions

📍 Wellington, New Zealand
🔗 underwatersolutions.co.nz

Operating since 2011, Underwater Solutions is a trusted marine contractor providing commercial diving services throughout the Pacific region. Their capabilities include underwater construction, inspections, and environmental monitoring.

6. Commercial Dive Services NZ Ltd

📍 Whanganui, New Zealand
🔗 commdives.co.nz

With expertise in underwater construction, pipeline works, and salvage operations, Commercial Dive Services NZ Ltd is a go-to provider for specialized diving projects in the region.

7. Greenfield Diving New Zealand

📍 North Island, New Zealand
🔗 greenfielddiving.co.nz

Greenfield Diving New Zealand focuses on inshore and inland construction diving, servicing projects across the North Island and beyond. They provide support for underwater infrastructure and engineering works.

8. Marine Services NZ

📍 Picton, New Zealand
🔗 marineservicesnz.com

This Picton-based company offers a range of marine services, including commercial diving and ROV support. Their expertise extends to vessel maintenance, underwater inspections, and environmental projects.

9. Coromandel Underwater Ltd

📍 Coromandel, New Zealand
🔗 coromandelunderwater.co.nz

Coromandel Underwater Ltd specializes in aquaculture diving and marine works, supporting the Coromandel region and wider New Zealand. Their team provides essential services to the aquaculture industry, ensuring the maintenance and safety of marine farming operations.

10. New Zealand Diving and Salvage Ltd

📍 Wellington, Auckland, Napier, and Timaru, New Zealand
🔗 nzds.co.nz

Established in 1982, New Zealand Diving and Salvage Ltd is a leader in innovative underwater solutions. They offer services ranging from inland water system maintenance to large-scale marine industry projects.

Why Commercial Diving Matters

Commercial diving companies play a crucial role in supporting New Zealand’s maritime and aquatic industries. Their expertise extends to:

✔ Marine Infrastructure Maintenance – Inspection and repair of underwater structures, pipelines, and bridges.
✔ Biosecurity & Environmental Protection – Monitoring and mitigating invasive species threats.
✔ Salvage & Recovery – Assisting in vessel recovery and sunken asset retrieval.
✔ Aquaculture Support – Maintaining fish farms and marine-based operations.
✔ Survey & Inspection – Providing essential data for engineering, environmental, and compliance assessments.

Need Help Managing Your Next Diving Project?

Planning a commercial diving project can be complex, from coordinating dive teams to ensuring compliance and efficiency. That’s where Oceanova comes in.

At Oceanova, we provide expert project management for marine and subsea operations, helping businesses streamline logistics, enhance efficiency, and achieve successful outcomes.

Call Oceanova +64273479242 today to discuss your project needs and find the right solution for your operation.