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Semco Maritime

Design, Fabrication and Servicing of Turnkey Offshore Equipments

Dedicated to the energy sector, Semco Maritime is an international contracting and engineering company.

Stenhuggervej 12-14,
PO Box 3029,
DK-6710 Esbjerg V,

Stenhuggervej 12-14,
PO Box 3029,
DK-6710 Esbjerg V,


Dedicated to the energy sector, Semco Maritime is an international contracting and engineering company.

For more than 30 years, we have been facilitating design, fabrication, service and maintenance of our clients’ assets, providing comprehensive project management across all phases of energy projects.

From turnkey engineering solutions to operation support and delivery of components, systems and solutions, we make sure our clients and partners in the energy sector experience safe, cost-efficient operations.

Semco Maritime is an international company with branches in Denmark, Norway, the UK, the UAE, Singapore, Vietnam, Australia, Central America and the US.

Project execution – EPCI

Semco Maritime offers full turnkey project management services.

Our large team of project managers, project control specialists, engineers and technicians manages multi-disciplinary projects across their entire lifecycle.

We are ISO 9001 certified, and our stringent quality assurance means that all Semco Maritime processes meet our clients’ needs and comply with international safety and environmental standards and regulations.

We work together to ensure that your project runs safely and efficiently.

Find out how we can help your business realise the full commercial and technical potential of its assets with EPCI:

  • Engineering and design services
  • Procurement services
  • Construction and fabrication facilities
  • Installation and commissioning

Engineering and design services

Our multi-disciplined engineering teams encompass process, mechanical and electrical systems, structures, piping, instrumentation, controls and documentation.

Procurement services

Regardless of project size or location, Semco Maritime can supply what you need.

Our procurement specialists apply their knowledge of the industry to source the best products and services with one goal in mind: to meet the client’s precise technical and budget specifications.

Construction services

From modification and repair to new-building, we are involved in every stage of the construction of modules, rigs and platforms around the world, both onshore and offshore.

We design, purchase, fabricate and test a wide range of modules, skids, steel structures and piping for final delivery, offshore commissioning and start-up.

Thanks to our in-house engineering and fabrication capabilities, cooperation between engineers and production personnel is seamless.

With all this expertise under one roof, we are able to provide an increased degree of flexibility, swiftly moving resources where they’re needed most. With so much focus on effective teamwork, we maintain a low margin of error and high rate of production

Rig upgrades and refurbishments

We have extensive experience with rig upgrades and refurbishments, from accommodation modules to cranes and complete shale shaker modules.

We minimise downtime, prefabricating the key elements at our yard before your rig arrives.

Our shipyard-in-a-box concept provides full mobility and flexibility during rig-upgrade operations, anywhere in the world.

By managing the entire yard stay and utilising the yard as a nominated subcontractor, we limit your lost revenue by ensuring that your MODU is back in operation in a fast and efficient manner.Installation servicesSemco Maritime is used to running fast installation projects for electrical systems, structure and piping. We can complete installations while keeping your platform operational 24/7.

Mobile service provision

Our highly skilled, mobile workforce uses the latest technology to set the industry benchmark for high-quality service anywhere that they are needed. Clients all over the world can benefit from our expertise and equipment either on their own premises or at ours.

Operation support

Renowned for our safety record, well-qualified staff and professional approach, Semco Maritime’s operational support lets you focus on your operations, while we keep your offshore or onshore facility and staff in good shape.

Everyone in our manpower and operation support division has passed comprehensive safety courses, and has first-hand experience working in the oil and gas industry.

Offshore products and technology

We have been supplying the international offshore and energy sectors with an extensive range of standard and explosion-proof components, systems and solutions for more than 30 years. We work closely with trusted manufacturers and suppliers and can tailor our products to meet your needs.

We deliver of our systems and services all over the world, including:

  • Telecommunication systems
  • Firefighting systems
  • Nitrogen generation
  • Wellhead control systems
  • Chemical injection systems
  • Produced water systems
  • Component sales – equipment and cables

The Semco Maritime difference

We go the extra mile to make sure our customers get the right solution at the right price. That means we listen to your needs. And we respond fast.

Our experienced, well-qualified teams have the processes, equipment and attitude essential to running projects on schedule and on budget – anywhere in the world.

Projects, Solutions and Competences: the Energy Sector

Dedicated to the global energy sector, Semco Maritime is an international project engineering company. We facilitate the design, fabrication, service and maintenance of our customers' assets, providing comprehensive project management across all phases of energy projects.

Girassol FPSO, Luanda, Angola

Girassol is one of the four major production hubs of Block 17, which is operated by Total and its consortium partners.

Culzean Gas Condensate Field, North Sea

Culzean is a high-pressure / high-temperature (HP/HT) gas condensate field located in Block 22/25a (License P111) of the UK continental shelf (UKCS), approximately 233.35km east of Aberdeen, in 90m of water.

Bayu-Undan, Timor Sea

Bayu-Undan is located 500km offshore Darwin, Australia, in the Timor Sea, and is 250km south of East Timor.

Kashagan Offshore Oil Field

Discovered in July 2000, Kashagan was described as the largest field found in the past 30 years, the largest outside of the Middle East, with a projected output close to that of the Ghawar field in Saudi Arabia.

Ekofisk II

The original Ekofisk area development consisted of eight oil and gas fields, namely Cod, Ekofisk, West Ekofisk, Tor, Albuskjell, Eldfisk, Edda and Embla.

Semco Maritime’s Turnover Increases by 40%

2011 was a good year for Semco Maritime, with a large volume of orders and a strong growth in almost all business units. Consequently, a new strategy has been implemented to ensure continued progress with intensified focus on international growth markets.

Semco Maritime Releases New Free White Paper

Semco Maritime, a leading engineering and contracting company, operating internationally within the marine and energy sectors offshore and onshore, has released a free white paper on the Offshore-Technology website. The company is specialised in fixed oil and gas installations, floating and

Semco Maritime to Attend OSEA 2010 Exhibition in Singapore

The oil and gas technology trade exhibition - OSEA, was established three decades ago to be the number one industry event for Asia. In 2010 this international event is projected to bring together 22,000 industry professionals to address the strategic, operational and technological aspects of the

Project South Arne Phase 3 Development

South Arne Phase 3 Development is a project initiated by HESS Denmark and partners in order to utilise more oil and gas from their present license. The project consists of several sub-projects, among others a greenfield and a brownfield project. The projects will be concluded by the end of 2012.<

Semco Maritime Achieved Good Results in a Pressed Market

In 2008 Semco Maritime achieved a growth in sales of 22%, from DKK1,282 billion to DKK1,569 billion. A pressed oil and gas market made it difficult to achieve the goals set for 2008, as the result before tax was reduced from DKK61.3 million to DKK45.1 million. COO Erik Gaj Nielsen said:

Rødsand Transformer Platform

In 2002 Semco Maritime has entered into a contract with Bladt Industries A/S on the establishment of a transformer platform for the Rødsand Wind Farm for SEAS Distribution A.m.b.A. The project comprises establishment of a wind farm located in the Baltic in Denmark, approx. 8 km south of N

Semco Maritime A/S

Stenhuggervej 12-14

PO Box 3029

DK-6710 Esbjerg V


Semco Maritime A/S

Trafikhavnskaj 9

P.O. Box 3029

DK-6700 Esbjerg


Semco Maritime A/S

Staget 1

P.O. Box 3029

DK-6700 Esbjerg


Semco Maritime A/S

Niels Bohrs Vej 3

P.O. Box 3029

DK-6700 Esbjerg


Semco Maritime A/S

Ellekær 9

DK-2730 Herlev


Semco Maritime Kristiansand

Sagmyra 27

N-4624 Kristiansand


Semco Maritime Ltd

Tern Place, Denmore Industrial Estate

Bridge of Don


AB23 8JX

United Kingdom

Semco Maritime Protobase Ltd.

Unit 16 Philip Ford Way

Oak Tree Business Park


NR18 9AQ


United Kingdom

Semco Maritime Ltd

Port Office

Shore Road


IV18 0HD

United Kingdom

Semco Maritime Inc.

3151 Briarpark Drive, Suite 225


Texas 77042

United States of America

Semco Maritime

9 Ernest Clark Road

Canning Vale


WA 6155


Seguco S.A.

3 Av. 12-38 Zona 10

Edificio Paseo Plaza Nivel 9 oficina 902

Guatemala Ciudad


Semco Maritime Pte. Ltd.

20 Toh Guan Road

#07-03 CJ Korea Express Building

Singapore 608839


Semco Maritime Vietnam JSC

Petrovietnam Marine shipyard facility

65A2, Road 30/4, Thang Nhat Ward

Vung Tau City, Ba Ria – Vung Tau


Semco Maritime

Rm.1703, 1277 Beijing Xi Rd.

Shanghai 200040


Semco Maritime

Rm. 1932, Changjiang Office Building

No.123 Changjiang Road

Zhongshan District, Dalian

Semco Maritime Middle East LLC

Hamdan Street

P.O. Box 114552

Abu Dhabi

United States of America

Semco Maritime Middle East LLC

Al Quoz Industrial Area 4

P.O.Box 52898


United Arab Emirates