About Us

Sherwood Marine Design is an independent group of consulting naval architects and engineers, based in Fremantle, Western Australia. Our point of difference is providing big consultancy skill levels from a small enterprise.
We specialise in design of high speed craft and novel vessel types, demanding innovation and strong technical skills. We offer complete vessel designs, and a range of general consulting and project management services.
Our clients range from small boat yards to multi-national companies engaged in building, operation, maintenance, and repair of ships.
Our staff have extensive experience in high speed craft design with an emphasis on practical skills gained from working directly with shipyards. We have international experience working to rules from a range of flag authorities from around the world, and with all of the major classification societies.
David Sherwood
Founder and director David Sherwood is a qualified naval architect with over 30 years’ experience in the shipbuilding industry in Australia and internationally.
David completed his Naval Architecture degree from the University of New South Wales in 1993, and began a diverse career in shipbuilding and design, from steel barges and coastal bulk carriers, to super yachts, fast ferries, and patrol boats.
After many years in design lead and management roles for some of the industry’s leading international companies, he founded Sherwood Marine in 2010 with the vision to bring these skills to the small craft market.
David’s passion for vessel design comes from a lifelong association with small craft and the sea. A top dinghy sailor as a youth, he represented Australia at World Championships at home and abroad, and continues to be involved in sailing.

- The Benefits Speak for Themselves -

What do you gain by working with us?

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Production-focussed 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 Focussed and safety

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 capability, 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.

What Our Clients Say

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