Established 1984

We're available 24/7/365.

Call us at 1-800-319-3556 

or 1-905-529-1344

Insured & WSIB-Covered Diving & Confined Space 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.

Safe & Certified in Ontario

Safety is our No. 1 priority.

Trusted Since 1984

We exceed your expectations.

Rentals in Toronto & Sudbury

We’ve got what you need for the job.

Serving a Wide Range of Industries

Based in Toronto to service the lower Great Lakes, and Sudbury to service the near north, we have worked with clients in a wide range of industries, including commercial and private corporations, all levels of Government, power generators, private marinas, geo-technical and engineering firms, among many others.

Safe, Insured & WSIB Covered

Dedicated to the safety of both our employees and clients, we are covered by $5-million in liability insurance and are in good standing the Workplace Safety and Insurance Board (WSIB). We are committed to delivering prompt, accessible and safe service.


For diving, maritime rental, contracting or confined space entry services, turn to the professionals. Get in touch with the experienced team at Soderholm Maritime Services today.

Water equipment

Serving All Waters in Ontario

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.

Your Trusted Maritime Contractor

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 metres 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.

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.

Awards & Certifications

  • Recognized by Lloyd’s Register, DNV•GL
  • Certified by eRailsafe, ISN
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