OSC Marine, OSC Group, Cape Diving, Subsea, TAG Diving


OSC Marine Group – a forging of underwater innovation and engineering expertise.
The OSC Marine Group has completed the successful integration of Cape Diving (Pty) Ltd and TAG Diving Services (Pty) Ltd including all associated companies. The companies remain as individual standalone companies and no change in registration details.

The OSC Marine Group is now headquartered in Cape Town, South Africa with regional operational bases throughout the African Continent. The OSC Marine Group has incorporated the management systems, financial control and governance as a centralized function and we are pleased to announce that the OSC Marine Group has been accredited through DNV to ISO 9001: 2015, ISO 14001: 2015 and ISO 45001: 2018. All our staff email addresses will change to: Firstname.Surname@oscmarine.com

We remain focused on our strategy of  “Underwater – Understood”

enabling us to offer a complete solution to our clients.

the OSC Group, Diving, repairs, salvage

For clients with an Engineering Project requiring an underwater component, we provide concept design proposals to full installation and commissioning. With our understanding of underwater operations, we design and construct underwater machines, tools and methods that save significant installation costs and reduce risk. Our recent projects have been awarded the SAICE “Technical Excellence” award proving our capability and expertise. “The technical services we offer our clients:

Emergency Pipeline Response Support (EPRS) – Most Gas pipe lines being supplied from offshore are critical lines that are active on Electrical power plants supporting cities. OSC Marine Group provides an emergency response to repair using Subsea Hyperbaric Welding. Our speciality is in the critical near shore surf zone.

Active Water Pipeline Rehabilitation – Pipelines used in cooling large industry plants require a very fast rehabilitation time. OSC Marine Group offer a seal replacement solution from within the pipe using our in-pipe seal replacement machines.

IRM – Underwater Inspection, Repair & Maintenance – Through our diver and machine interventions we offer services including Remote Operated Vehicles, shallow to ultra-deep diving applications, Nuclear plant inspection to Offshore Saturation Diving.

4D Asset Integrity Cloud – We offer a complete asset integrity management system for your assets. By partnering with us we integrate a complete 4D model of all subsea assets and using previous and current inspections with active weather conditions we provide a constant picture of the current state of all subsea assets. This includes major Harbours to complete offshore installations.

Underwater Security – with threats existing in most countries and with the ease in which pipelines and ports can be targeted, the OSC Marine Group offer several solutions to underwater security.

Environmental Integrity – with most problems in the world, good engineering provides most solutions in a simple and ingenious way. We provide three plastic remedial harbour and river pollution prevention products.

Mike Jessop – Executive Director
OSC Marine Group