M&A Deal Summary

DeepOcean Acquires Shelf Subsea

On May 22, 2025, DeepOcean acquired marine company Shelf Subsea from SCF Partners

Acquisition Highlights
  • This is DeepOcean’s 2nd transaction in the Marine sector.
  • This is DeepOcean’s 1st transaction in Australia.

M&A Deal Summary

Date 2025-05-22
Target Shelf Subsea
Sector Marine
Buyer(s) DeepOcean
Sellers(s) SCF Partners
Deal Type Add-on Acquisition

Target

Shelf Subsea

Osborne Park, Australia
Shelf Subsea is a commercial diving, engineering, project management, and marine support & logistics company, specializing in air and saturation diving operations primarily for the Oil & Gas and Marine Construction industries. Shelf Subsea is based in Osborne Park, Australia.

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Buyer(S) 1

Buyer

DeepOcean

Haugesund, Norway

Category Company
Founded 1999
Sector Energy Services and Equipment
Employees1,033
Revenue 413M EUR (2021)
DESCRIPTION

DeepOcean is a provider of safe, high quality, innovative services and technologies for the subsea industry. DeepOcean offers a breadth of subsea services, including Survey and Seabed-mapping, Subsea Installation (SURF), Seabed Intervention, Inspection, Maintenance and Repair (IMR), and Decommissioning for the oil & gas, renewable and power transmission industries. DeepOcean was founded in 1999 and is based in Haugesund, Norway.


DEAL STATS #
Overall 2 of 2
Sector: Marine M&A 2 of 2
Type: Add-on Acquisition M&A Deals 2 of 2
Country: Australia M&A 1 of 1
Year: 2025 M&A 1 of 1
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2017-07-30 Searov Offshore SAS

Frontignan, France

Searov Offshore SAS is a French company specialised in inspection and submarine work by underwater robots or ROV (Remote Operated Vehicle) with operational in Europe and Africa using local branches in the Congo and Gabon to ensure rapid response, logistical support and quality of operational monitoring.

Buy -

Seller(S) 1

SELLER

SCF Partners

Houston, Texas, United States

Investor Investor Investor Investor Investor


Category Private Equity Firm
Founded 1989
PE ASSETS 2.0B USD
Size Large
Type Sector Focused
DESCRIPTION

SCF Partners Ltd. is a specialist private equity firm that targets investments in energy service and equipment companies with operations around the world. SCF provides both equity capital and strategic guidance over the life of the investment which typically lasts five years. The Firm's target investment size is $10 to $100 million. SCF looks to grow portfolio companies through internal growth initiatives and through acquisitions. SCF Partners was formed in 1989 and is based in Houston, Texas, with additional offices in Aberdeen, Scotland and Calgary, Alberta.


DEAL STATS #
Overall 25 of 26
Sector: Marine M&A 1 of 1
Type: Add-on Acquisition M&A Deals 10 of 11
Country: Australia M&A 2 of 3
Year: 2025 M&A 2 of 3
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-03-25 Phoenix

College Station, Texas, United States

Phoenix provides high-horsepower contract compression services, supplying North American midstream and upstream operators with high-efficiency, low-emission solutions offers turnkey natural gas compression stations, station operations, and project management. Phoenix was founded in 2024 and is based in College Station, Texas.

Buy -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2025-06-26 Callidus

Balcatta, Australia

Callidus is a provider of high-end flow control solutions to the oil & gas, mining, and renewable energy industries. We specialise in the management, maintenance, servicing and diagnostics of valves, actuators, and instrumentation. Callidus was founded in 1997 and is based in Balcatta, Australia.

Sell -