Advanced Naval Architecture
Practical Marine Engineering
From high-performance commercial craft to complex refits and technical consultancy, we combine global naval architecture experience with practical shipyard expertise.
- About -
Engineering Excellence, Built on Experience
Sherwood Marine Design is a specialist naval architecture and marine engineering consultancy based in Fremantle, WA. We deliver, large consultancy level expertise, with small business responsiveness - providing innovative vessel design, practical engineering, and real-world shipyard experience for commercial, government, and recreational vessel clients.
Our Services
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New Designs
We deliver complete vessel design packages from concept through to detailed construction drawing, including structure, engineering, systems, and fitout. Every design is optimised for performance, cost effectiveness, and production-friendly construction, with full support throughout the build process.
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General Consultancy
Comprehensive naval architecture and marine engineering services including stability assessments, structural analysis, structural design including Finite Element Analysis, seakeeping etc. We provide expert guidance for compliance, safety, and technical problem-solving across all vessel types.
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Commercial Vessel Kits
Turnkey CNC-cut construction kits for aluminium and steel vessels, engineered for fast assembly, low scrap, and production efficiency. Ideal for shipyards seeking reliable material supply, certified components, and streamlined build processes.
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Vessel Modifications & Refits
Specialist engineering for vessel conversions, extensions, repowering, and survey upgrades. We deliver detailed modification packages and shipyard support to ensure every upgrade enhances performance, capability, and compliance.
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Recreational Boat Kits
Professionally engineered aluminium monohull and catamaran kits that bring commercial-grade design to recreational builders. Each kit includes CNC-cut components, 3D drawings, and build support to ensure a smooth, accurate, and rewarding DIY experience.
- Recent Projects -
From high-speed patrol boats to advanced R&D vessels, our designs operate across Australia and worldwide.
20m Patrol Vessel - TfNSW
20m Patrol Vessel - TfNSW
20m Patrol Vessel - TfNSW
20m Patrol Vessel - TfNSW
11.5m Unmanned Survey Vessel
11.5m Unmanned Survey Vessel
11.5m Unmanned Survey Vessel
11.5m Unmanned Survey Vessel
Lord Howe Island - 40m Cargo Vessel Procurement
Lord Howe Island - 40m Cargo Vessel Procurement
Lord Howe Island - 40m Cargo Vessel Procurement
What do you gain by working with us?
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Production-focused design that saves time and cost
Cost effective design comes from understanding build processes and implementing a good build strategy. We work with the shipyard to ensure this is incorporated from the start, and considerations like equipment maintenance and space for services are planned up-front.
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Client Focused
We take the time to find out what’s important to you and what your objectives are, rather than simply telling you what we think you should have from the outset. Whether it's a new design, a refit, or an expert opinion, you get a tailor-made solution based on your requirements.
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Big-firm expertise, small-consultancy responsiveness
You get deep technical expertise without layers of bureaucracy. We pick up the phone, answer emails promptly, and keep decisions moving. It’s professional, it’s personal, and it’s effective.
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End-to-end support, from concept to commissioning
We stay with you through design, fabrication, fitout, and trials. If the yard needs adjustments, we provide timely revisions and clear guidance. Less friction. More momentum.
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Digital manufacturing, done properly
CNC-ready models and clean part numbering make production straightforward. Our kits and construction packages are engineered for accuracy and repeatability. That means fewer alignment issues, better quality, and reliable outcomes at scale.
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Clear communication and documentation
We deliver tidy drawings, build notes, and compliance documentation that make sense to real people. If something’s unclear, we fix it quickly. You’ll always know the status, the next step, and the why behind it.
Let’s move your project forward
Tell us where you, are what's in front of you, and what success looks like. We'll meet you there with practical, proven naval architecture. Whether it's a new design, a vessel reconfiguration, or a specialist technical review, we’ll make the engineering make sense.