Coast Marine Stainless welder at work
Auckland, New Zealand · Marine Grade Fabrication

Built to
endure.
Formed to inspire.

Precision Stainless Steel & Aluminium fabrication for Architectural, Industrial, and Bespoke Sector.

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Stainless Steel
01 / 07

Stainless
Steel

High-performance stainless steel fabrication for architectural, commercial, and industrial applications. Precision, durability, and clean detailing in every piece.

316L Marine GradeTIG WeldedMirror / Brushed
Aluminium Fabrication
02 / 07

Aluminium
Fabrication

Lightweight and versatile aluminium solutions for architectural elements, structural components, and custom-built assemblies with refined finishes.

Marine AlloyAnodisedPowder Coated
Structural Steel
03 / 07

Structural
Steel

Engineered structural steel solutions for frameworks, load-bearing systems, and supports built with strength, accuracy, and AS/NZS compliance.

CNC CutAS/NZS CertifiedSite Install
SS and Aluminium Flashings
04 / 07

Flashings —
SS / Aluminium

Precision-folded flashings designed for architectural detailing, weather protection, and clean integration into commercial and residential building systems.

CNC Press BrakedCustom ProfilesWeather Sealed
Tanks - Water & Fuel
05 / 07

Tanks —
Fuel & Water

Fabricated containment solutions built with material integrity, clean welds, and dependable long-term performance for industrial and marine applications.

Pressure TestedFood GradeMarine Spec
Electropolishing
06 / 07

Electropolishing

Advanced surface finishing processes that enhance durability, corrosion resistance, and the overall appearance of fabricated metal components.

ElectropolishSandblastPassivation
Repairs
07 / 07

Maintenance
& Repairs

Inspection, restoration, repair, and refinishing that extends service life and restores performance to existing steel and aluminium structures.

Site InspectionWeld RepairRefinishing
Stainless Steel
1 / 7
Selected Work

Featured projects

View all work →
Aluminium Doors
Aluminium Fabrication · 2024
Aluminium
Doors
Glass Balustrades
Stainless Steel · 2024
Glass Balustrades
with SS Top Rail
Fence and Gates
Aluminium Fabrication · 2024
Fence &
Gates
SS Commercial Kitchen
Commercial · 2024
SS Commercial
Kitchen
Steel Sculptures
Bespoke · 2024
Steel
Sculptures
CMS

Marine-grade precision.
Architectural finish.
Industrial strength.

We don't just fabricate
metal — we deliver
DESIGN ORIENTED SOLUTIONS.

From sculptural bollards on to industrial frameworks spanning entire plants — Coast Marine Stainless brings engineering precision and craft obsession to every weld, every finish, every installation.

316L SS ALUMINIUM STRUCTURAL
AS/NZS 1554 Certified Weld
BEFORE AFTER
Site Installed Nationwide · Warranted
How We Work · 01 / 05

It starts with
raw material.

Every project begins with the right material for the job — stainless steel, aluminium, or structural steel, sourced to grade and certified before a single cut is made.

316L stainless, aluminium & structural steel Material certificates supplied Sourced to AS/NZS standards
How We Work · 02 / 05

Cut and formed
with precision.

Sheet, plate, and profile are cut to exact dimensions using CNC laser and plasma technology. Press braking and roll forming shape the material — every edge clean, every angle exact.

CNC laser & plasma cutting Press braking & roll forming Tight dimensional tolerances
How We Work · 03 / 05

Welded by
certified hands.

TIG and MIG welding by certified tradespeople. Every weld is laid with control and consistency, then inspected before it leaves our workshop.

TIG & MIG welding AS/NZS 1554 certified In-house QA inspection
How We Work · 04 / 05

Finished to the
highest standard.

Surface finishing transforms fabricated metal — from rough to refined. Grinding, polishing, electropolishing, sandblasting, and passivation to suit your project's exact requirements.

Mirror, brushed & satin finishes Electropolishing & passivation Sandblasting & priming
How We Work · 05 / 05

Delivered and
installed right.

Our crews handle delivery, site coordination, and installation nationwide — so what leaves our workshop arrives correctly and is fitted to last.

Nationwide delivery In-house installation crews Post-install warranty & support
01 / 05
How It Works

From concept
to completion.

01 / 03

Design &
Consult

We work alongside your architects, engineers and project managers from the first drawing to final sign-off.

  • Site assessment
  • Technical drawings
  • Material specification
  • Fixed-price quoting
02 / 03

Fabricate
with Precision

In-house fabrication across TIG welding, CNC cutting, press braking and hand finishing — controlled quality at every stage.

  • CNC laser & plasma cutting
  • TIG / MIG welding
  • Polishing & surface finishing
  • QA inspection & sign-off
03 / 03

Install &
Deliver

Our experienced installation crews handle logistics, site coordination and final commissioning — nationwide.

  • Site preparation
  • Precision installation
  • Nationwide delivery
  • Post-install warranty
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Client Testimonials

Trusted by Auckland's
most demanding clients.

"

Thanks for the beautiful design. Professional and responsible team. Recommend to everyone who wants a great result.

AW
Andrew W.
Client
Why CMS

The standard
others are
measured against.

Two decades fabricating for Auckland's most demanding clients — from waterfront developers to heavy industry — has forged a workshop culture where precision isn't a goal, it's a baseline.

25+
Years in service
500+
Projects completed
100%
NZ owned & operated
316L
Marine-grade standard
Marine-Grade Materials

316L stainless as our baseline — salt air, chemicals and heavy use are no match for the alloys we choose.

In-House Capability

Design, fabrication and installation under one roof. No subcontracting your critical work. Full accountability.

Certified Welders

Our welding team holds current certifications and processes meet AS/NZS structural standards.

On-Time Delivery

Realistic schedules, held. Our project management team keeps you informed from first cut to final installation.

Start a Project

Let's build
something
extraordinary.

Whether it's a complex industrial brief or a bespoke residential commission — we welcome the projects other fabricators won't take on.

admin@coastmarinestainless.co.nz  ·  Auckland, New Zealand