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Who We are

GMH was established in 2021 and located in Conakry, Guinea. Our operations spread across major ports in Guinea and the West African region.

Global Marine Heritage is a professional organization that offers diving and subsea engineering services at sea ports, onshore, offshore, constructing sites etc.

We offer services which include; underwater inspections, dam maintenance & rehabilitation, hull cleaning, propeller polishing, blanking & plugging, salvage & removal of wrecks, cofferdam installation and marine construction inspection, and many more.

We are a major player in the marine industry.

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Our Core Values

Our core values are sum into the life blood of GMH (Global Marine Heritage). We live by them  and demonstrate them in every project. These are our guiding principles and expression of all our activities.

Our Services

We offer services which include; underwater inspections, dam maintenance & rehabilitation, hull cleaning, propeller polishing, blanking & plugging, salvage & removal of wrecks, cofferdam installation and marine construction inspection, and many more

Underwater Inspection

GMH carry out exquisite in-water survey such as paint, security, grounding, collision, damage, in lieu of dry docking inspection. and condition survey.

Well Executed

We give you clear view, video, photos and correct report of your vessel or asset’s underwater condition in an exquisite manner.

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Ship Maintenance

GMH handle this essential service in a timely manner. Services in this fold are: hull cleaning, propeller polishing, plugging/deplugging of overboard outlet

Cost Effective

Timely essential maintenance that prevent huge cost of repair and downtime. Renewing and making your vessel sea worthy at all times.

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Marine Construction

In marine construction we construct, fabricate, repair and do maintenance. The areas are mooring buoy, pile, salvaging, laying of subsea cables.

Perfect Placement

Ensuring your facility is up and running. Not only that but rightly placed.

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Underwater Repair

We do underwater welding and cutting. Replacement of sacrificial anode and repair on shell plating of steel

Repair

Proactive and corrective repair are much desired to keep your facility in good working condition. Also, prevent massive loss.

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Underwater NDT

Magnetic Particle Inspection (MPI) crack testing can be carried out in the wet which is achievable using MPI systems.

Test

Test is performed to determine the current state of the structure when compared to its original design.

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Our Clients Say

“Good working team – I love the work of this company please keep it up.”

Client

“Incredible! A friend introduced this company to me and I actually asked them to help me work on my vessel. I was so amazed with the speed of work and promptness in submitting comprehensible professional report “

Client

Providing professional underwater services.

We provide professional and cost effective diving and subsea engineering services.

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