What departments does Siem Offshore have?

Siem Offshore has employees across 7 departments including Operations, Human Resources, Business Development, Engineering, Supply Chain.

What is the largest department at Siem Offshore?

The largest department at Siem Offshore is Engineering with 10 employees.

Where are Siem Offshore employees located globally?

Siem Offshore has employees across 7 continents and 49 countries including South Africa, Nigeria, Ghana, Egypt, India.

How has Siem Offshore's team size changed over time?

Siem Offshore's team has decreased from approximately 792 to 764 employees based on available data.

Siem Offshore Employee Directory

Q: Who are Siem Offshore's key employees and leadership?

Siem Offshore's key employees include: Ceo: B. O., CEO: B. O., Chief Operating Officer: T. L., Chief Human Resources Officer: T. A. G., Chief Officer: C. B..

Oil and GasAgder, Norway1001-5000 Employees

Sea1 Offshore is based in Kristiansand, Agder, Norway, and operates in the oil and gas sector as a provider of offshore vessel services. It maintains a dedicated and skilled workforce to manage and operate a fleet described as safe, environmentally conscious, and technically advanced, serving customers worldwide. The company’s activities are centered on offshore energy support and related vessel operations.

The company serves operators in the oil and gas industry that require offshore support and vessel services, addressing needs for safe operations and compliant asset handling. It is positioned in the offshore vessel segment with emphasis on safety, environmental stewardship, and technical capability. In April 2026, Glamox signed a contract to supply lighting for four Offshore Energy Support Vessels being built for Sea1 Offshore, marking a concrete development in its ongoing vessel program.

Siem Offshore Global Highlights

Europe
426

Norway
191
Ukraine
82
Poland
47
United Kingdom Of Great Britain And Northern Ireland
18
Sweden
16
Romania
9
Croatia
9
Germany
9
Latvia
7
Lithuania
4
Spain
4
Netherlands
4
Finland
4
Denmark
4
France
3
Moldova
3
Portugal
3
Bulgaria
3
Estonia
1
Switzerland
1
Georgia
1
Greece
1
Slovakia
1
Italy
1

South America
183

Brazil
176
Chile
3
Colombia
2
Argentina
2

Oceania
76

Australia
71
New Zealand
5

Asia
41

Philippines
16
Indonesia
8
India
6
Russian Federation
3
Thailand
2
United Arab Emirates
2
Turkey
1
Iran
1
Viet Nam
1
China
1

North America
33

United States Of America
16
Canada
14
Mexico
3

Africa
6

South Africa
2
Nigeria
2
Ghana
1
Egypt
1

Siem Offshore's Leadership

B. O.
Ceo
Mobile Phone
Email
B. O.
CEO
Mobile Phone
Email
T. L.
Chief Operating Officer
Mobile Phone
Email
T. A. G.
Chief Human Resources Officer
Mobile Phone
Email
C. B.
Chief Officer
Mobile Phone
Email
S. D.
Chief Officer
Mobile Phone
Email
T. R. H.
Chief Officer/Dpo
Mobile Phone
Email
M. C.
Chief Officer - Full Dp
Mobile Phone
Email

Siem Offshore Employee Metrics

100%

50%

0%

2026

2025

Administrative
Civil Engineering & Construction
Retail
Education
Accounting
Other

Contact profiles from Siem Offshore

Name

Title

Contact Info

Location

Last Update

T. L.
Chief Operating Officer
Mobile Phone
Email
Norway
Apr 21, 2026
B. O.
Ceo
Mobile Phone
Email
Norway
Apr 21, 2026
T. A. G.
Chief Human Resources Officer
Mobile Phone
Email
Norway
Apr 21, 2026
B. G.
Sdpo - Chief Officer
Mobile Phone
Email
IndiaJharkhand
Aug 11, 2025
S. A.
President & Ceo, Canada
Mobile Phone
Email
CanadaNewfoundland and Labrador
Apr 21, 2026
C. B.
Chief Officer
Mobile Phone
Email
AustraliaVictoria
Apr 18, 2024
G. T.
On Comandante E Chiefe Officer
Mobile Phone
Email
BrazilState of Rio Grande do Norte
Apr 14, 2026
S. D.
Chief Officer
Mobile Phone
Email
AustraliaTasmania
Aug 11, 2025
T. R. H.
Chief Officer/Dpo
Mobile Phone
Email
Canada
Nov 14, 2025
M. C.
Chief Officer - Full Dp
Mobile Phone
Email
Brazil
May 30, 2026

Frequently Asked Questions

What is Siem Offshore known for?

Siem Offshore operates in the Oil and Gas industry. The company's main headquarters is located in 14 Nodeviga Kristiansand s, Agder 4610 Norway; you can contact the main corporate office by phone at

+47-38-60-0****

. Explore Siem Offshore's company overview page for more information.

What is Siem Offshore's most common email format?

Siem Offshore employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Siem Offshore email formats with LeadIQ.

How many employees does Siem Offshore have currently?

Siem Offshore has approximately 1K employees as of June 2026. These team members are located across 6 continents, including EuropeSouth AmericaOceania.

Who are Siem Offshore's key employees and leadership?

As of June 2026, Siem Offshore's key employees include:

Ceo: B. O.
CEO: B. O.
Chief Operating Officer: T. L.
Chief Human Resources Officer: T. A. G.
Chief Officer: C. B.

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Siem Offshore Employee Directory

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