Siem Offshore Competitors and Similar CompaniesClear all
Siem Offshore's competitors and similar companies include Tidewater, DeepOcean, North Sea Container Line and Clontarf Energy.
 Siem Offshore Siem Offshore owns and operates offshore support vessels (OSVs) for the offshore energy service industry. |  Tidewater Tidewater is a company that provides energy exploration and production solutions for the offshore industry. |  DeepOcean DeepOcean is a company providing EPIC (engineering, procurement, installation, and commissioning) services for oil and gas and offshore power sectors. |  North Sea Container Line North Sea Container Line (NCL) is a container logistics company operating a specialized fleet of container vessels. | ||
Founding Date | Founding Date 2005 | Founding Date 1956 | Founding Date 1999 | Founding Date 1994 | Founding Date 2003 |
Type | Type Public | Type Public | Type Private | Type Private | Type Public |
Tags | |||||
Locations | Locations Kristiansand, NO HQ Perth, AU Rio De Janeiro, BR Dartmouth, CA St. John's, CA | Locations Houston, US HQ Cairo, EG Mumbai, IN Walvis Bay, NA Sandnes, NO Al Khobar, SA Singapore, SG see more | Locations Oslo, NO HQ Sète, FR Accra, GH Takoradi, GH Ciudad Del Carmen, MX Haugesund, NO Haugesund, NO see more | Locations Haugesund, NO HQ Bremerhaven, DE Hamburg, DE Klaipėda, LT Rotterdam, NL Ålesund, NO Averøy, NO see more | Locations Dublin, IE HQ |
Employees | Employees 1,2365% increase | Employees 7,30016% increase | Employees 1,5952% increase | Employees 4011% increase | Employees 290 |
Valuation ($) | Valuation ($) 804 m | Valuation ($) 3.2 b | Valuation ($) N/A | Valuation ($) N/A | Valuation ($) 87.8 k |
Financial | |||||
Revenue (est.) | Revenue (est.) $271.5m (FY, 2025) | Revenue (est.) $1.4b (FY, 2025) | Revenue (est.) $483.7m (FY, 2021) | Revenue (est.) kr730.3m (FY, 2024) | Revenue (est.) N/A |
Cost of goods | Cost of goods N/A | Cost of goods $680.6m (FY, 2025) | Cost of goods $236.8m (FY, 2021) | Cost of goods kr702.6m (FY, 2024) | Cost of goods N/A |
Gross profit | Gross profit $271.5m (FY, 2025) | Gross profit $672.2m (FY, 2025) | Gross profit $247m (FY, 2021) | Gross profit kr27.7m (FY, 2024) | Gross profit N/A |
Net income | Net income $113.8m (FY, 2025) | Net income $333.5m (FY, 2025) | Net income $98.4m (FY, 2021) | Net income (kr18.3m) (FY, 2024) | Net income (£765k) (FY, 2024) |
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Tidewater
HQ
Houston, US
Employees
7,300↑ 16% increase
Tidewater is a company that provides energy exploration and production solutions for the offshore industry.
View companyDeepOcean
HQ
Oslo, NO
Employees
1,595↑ 2% increase
DeepOcean is a company providing EPIC (engineering, procurement, installation, and commissioning) services for oil and gas and offshore power sectors.
View companyNorth Sea Container Line
HQ
Haugesund, NO
Employees
40↑ 11% increase
North Sea Container Line (NCL) is a container logistics company operating a specialized fleet of container vessels.
View company
Clontarf Energy
HQ
Dublin, IE
Employees
290
Clontarf Energy plc is an emerging oil & gas Exploration & Production company.
View company