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welcome to a.f. theriault & son ltd.

innovatIVE maritime mastery

A legacy of crafting QUALITY vessels of exceptional quality, reliability and performance for the global maritime community, since 1938

Quality Craftsmanship, Quality vessels. For Over 80 Years.

A.F. Theriault & Son Ltd. is one of the largest privately owned shipyards in Canada's Atlantic region.

Established by Augustin Theriault in 1938 and currently under the fourth generation of Theriault family ownership, A.F. Theriault & Son Ltd. today stands proudly as the oldest and largest privately owned vessel manufacturer in Nova Scotia and one of the largest privately owned shipyards in the Atlantic region.


Founded in an era when wooden boats still ruled the seas, today, the yard is a very different place, building state-of-the-art workboats, pilot boats, patrol vessels, yachts, fireboats, vehicle/passenger ferries,  and commercial fishing vessels.


We pride ourselves on our innovation by combining old techniques with the latest materials and technologies to build vessels of the highest quality from steel, aluminum, fibreglass and advanced composites.



A.F. Theriault & Son Ltd. is one of the largest privately owned shipyards in Canada's Atlantic region.


Our vessels move Captain + Crew from fishing grounds to home ports, everyday.


We connect people to coastal communities with Vehicle and Passenger Ferries.


Our vessels facilitate research & innovation for Aquaculture and Marine Science groups.


We build Coastal Patrol vessels that uphold maritime security, nationally & locally.

Proudly Crafted: Explore Our Vessels

Discover our wide range of vessels, each meticulously designed to exceed benchmarks in the maritime industry.


Get to know our experienced senior leadership team, steering our company forward with skill and insight.

industry collaborations

A.F. Theriault & Son Ltd. takes pride in its membership with reputable organizations, each representing excellence and commitment to industry standards and innovation.


Strength In Numbers

Our People

Our production staff includes over 165 highly trained professional boat builders, including professional engineers, experienced tradespersons, project administrators, and support staff, all of whom contribute to the continued success and growth of A. F. Theriault & Son Ltd.


Year Founded


Boats Built



We continually invest in our staff through training and certification, as well as participating in apprenticeship programs for new employees.

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