Creative Ship Design & Marine Engineering
Bold Thinking
Practical Engineering
Seamless Delivery
With offices in Atlantic Canada and Spain, Allswater provides ship design, marine engineering and project support to clients across Canada and internationally.
Our multidisciplinary team works with vessel owners, operators and shipbuilders to design, build and improve vessels—making them, and the projects behind them, better than expected. See what’s possible…
- Ship Design
- Naval Architecture and Engineering Consulting
- Project and Contract Management
- Electrical and Information Systems Design
- On-Site Supervision and Inspections
- Market Studies and Evaluations
- Marine and LiDAR Surveys
-
Testimonial
Engineering Flexibility
Allswater was an incredible resource on TIR-0001. They never presented an issue without coming with a reasoned solution that we could work towards. Allswater provided technical expertise and worked towards the betterment of the AJISS Program.
– Thales -
Testimonial
Integrated Solar Array
Grateful to Simon Rees and Allswater for engineering the new HS65’s carbon fiber hardtop. They successfully designed in the reliefs required to allow for an integrated solar array with tolerances to account for expansion and contraction. Great group of people to work with!
Hystream Yachts -
Testimonial
Comfortable and Smooth Sailing
We are making 12 knots pretty consistently, 10-20 knots of wind, light seas. She seems to behave very nicely.
Vessel Delivery Crew -
Testimonial
Exceptional Seakeeping
The boat had about 12 days of winds higher than 40 knots, with a few days over 60 kn and apparently had one reading of 78 kn. They fished the whole time, no one felt unsafe on the weather deck, And all comments were that they couldn’t tell it was blowing so hard. I’m really pleased with the performance. Good sea boat.
Vessel Manager
Areas of Expertise
All In on Better Vessels
Good marine engineering goes beyond drawings and calculations. Our engineers, naval architects, project managers and surveyors bring technical rigour, practical experience and creative thinking to every project. We work closely with our clients, follow through and look for opportunities to make each vessel—and the project behind it—better than expected.



Explore our Ship Design & Construction Projects
-
Extended vessel life through a complete propulsion system modernization
From Design to Installation: Repowering Four Great Lakes Bulk Carriers
ExpertiseElectrical Engineering, In-Service Support, Modifications, Naval Architecture, Project Management & Marine ServicesIndustryCargo ShipsAllswater partnered with Toromont Cat (formerly Atlantic Cat) to support the repowering of four self-unloading bulk carriers, operated by Canada Steamship Lines (CSL). The project involved replacing aging propulsion equipment, including main engines, gearboxes, shafting, controllable pitch propellers (CPP), and supporting mechanical and electrical systems.
-
An Ambitious Rebuild That Renewed Every Major System
The Complete Modernization of a Classic Expedition Yacht
A 90-foot expedition yacht that marries the rugged capability of a true ocean passage-maker with the sophistication of a luxury finish. Originally built to Lloyd’s Rules, she was acquired in 2020 for a complete transformation—an ambitious rebuild that renewed every major system, from structural and electrical to electronics and interior design.
-
Inland Ro-Ro Cable Ferry Design and Construction
Northern Airport and Marine Operations operate three cable ferries that provide vital connections for First Nation communities in northern Manitoba. When one vessel requires maintenance, communities can be left without service. After evaluating the feasibility of a temporary modular barge, our client chose a permanent solution—a new modular ferry that could be transported by road…
Don’t Let Your Project Get Stuck in the Doldrums
Allswater provides practical technical and project support to keep your vessel—and the project behind it—moving forward.
- Award Winning Ship Designs
- Minimize Project Risks
- Ensure Cost-Effective, Timely Delivery





