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Allseas Group S.A.

offshore member

Head Office

Allseas Group S.A.

Route de Pra de Plan 18 
P.O. Box 411 
1618 Châtel-Saint-Denis 
T+41 21 948 35 00
F+41 21 948 35 99
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Affiliated Companies

Allseas Engineering B.V.

Poortweg 12 
2612 PA Delft 
T+31 15 2681800
F+31 15 257 1623
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Allseas UK Ltd.

Azure House 
1 Duke's Mews 
London W1U 3ET 
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Allseas Marine Services N.V.

Stationsstraat 180 
2910 Essen 
T+32 3 670 1830
F+32 3 667 1034
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Allseas USA, Inc.

333 N. Sam Houston Pkwy East 
Suite 750 
Houston, TX 77060 
T+1 281 999 3330
F+1 281 999 6363
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Allseas Marine Contractors Australia Pty Ltd

Level 8, 178 St. George's Terrace 
WA 6000 Perth 
T+61 8 6181 9500
F+61 8 6181 9555
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Allseas EMEA Ltd

Rua Ivens, No. 22, 5th Floor, left 
Parish of S. Pedro 
9000-046 Funchal, Madeira 
T+351 21 312 1550
F+351 21 312 1551
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Allseas Brasil Serviços de Instalação de Dutos Ltda

Praça Floriano, No. 19, 7º Andar 
Salas 701 e 702 
20 031-050 – Centro, Rio de Janeiro 
T+55 213 590 8385
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International pipeline construction | Engineering capability | Double jointing | Welding | Pipe concrete coating | Pipe joint repairs | Laybarge pipe laying large | Laybarge pipe laying small | Fabrication | Jacket installation | Topside installation | Subsea connections | Heavy lift capability | Dredging trenching plowing | Welding offshore | Coating | Non destructive testing offshore | Support vessels | Support services | USA/Canada | Mexico/Central- South America | Western Europe | Africa | Middle East | Near East | Far East | Australasia |

Types or Fields of Activity

Design, engineering, procurement, project management, fabrication, installation and commissioning of offshore pipelines and heavy lift and subsea construction.

Offshore Capabilities

Allseas is a world-leading contractor in the offshore energy market, with dynamism, rapid progress and pioneering spirit at its core. To stay ahead of the industry, we are developing tomorrow’s technology today, transforming bold ideas into state-of-the-art solutions to meet the market’s ever changing needs. We are experts in the design and implementation of large and complex offshore energy infrastructure projects, with a proud history of delivering first-class services, operational excellence and dedicated expertise to clients worldwide. Designed and optimised in-house, our versatile fleet of specialised vessels are fitted with the most advanced equipment and systems, so they can perform beyond expectation in some of the harshest and remotest environments in the world. When it comes to speed, reliability, efficiency and depth, our dynamically positioned pipelay vessels have shaped the offshore pipelay industry into what it is today, setting new standards for heavy deep-water pipelines. Our heavy lift and pipelay vessel Pioneering Spirit is a game-changer. Built to install and remove entire offshore platforms in a single lift, and lay pipelines in unlimited water depths, the world’s largest construction vessel boasts versatility and capability unrivalled anywhere in the offshore industry.

ISO certification

ISO 9001:2015, ISO 14001:2015, ISM, MLC, ISPS Code (IMO)