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Marine Services 

Full-Service Commercial Diving & Marine Construction Services in Ontario

Soderholm Maritime Services Inc. is dedicated to providing commercial clients throughout Ontario and beyond with comprehensive underwater and confined space services, with the utmost commitment to safety, ingenuity, and efficiency. Available 24 hours a day, 7 days a week, 365 days a year, our team of divers and contractors are on-call and can be dispatched to your location at any time.


Dedicated to the safety of both our employees and clients, we are covered by $5-million in liability insurance and are in good standing with the Workplace Safety and Insurance Board.


boat anchor

A Name Businesses and Contractors Trust

With a sharp focus on getting the job done effectively and efficiently, Soderholm Maritime Services is well equipped to provide commercial diving and marine services. Our track record speaks for itself. We have installed more than 6,000 lineal meters of HDPE pipe across Ontario. When it comes to marina maintenance and construction, we have installed more than 25,000 pleasure craft slips. What’s more, we’ve built fixed and floating docks and have repaired and reconstructed existing docks and anchorage systems. From construction to dredging, we do it all.


Serving a Wide Range of Industries

Based in Toronto to service the lower Great Lakes, and Sudbury to service the near north, we work with all levels of Government, power generators, private marinas, geo-technical and engineering firms, among many others.

Serving All Waters in Ontario and Beyond

Water conditions do not stop us. Our divers work in clear, contaminated and potable water to perform a comprehensive range of services, including ship inspection and repair, pipeline water intake and outfalls, underwater search and recovery, construction, industrial services, welding, and more.

Water service
Water repair

We’re At Your Beck & Call

We’re there for you when you need us. Our team of divers, underwater welders, and contractors are available 24 hours a day, 7 days a week, 365 days a year. Every member of our team has cell phone and pager service to ensure that they can be dispatched to your location in a timely manner. When you’re in need of our services, a team can be dispatched within minutes of your initial phone call.

Professional Affiliations


Before and After

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