Allseas Group's head office in Châtel-Saint-Denis, Switzerland, functions as the group’s financial and commercial centre.
1618 Châtel-Saint-Denis
Switzerland
Tel: +41 21 948 3500
Fax: +41 21 948 3599
Allseas Engineering, with offices in Delft, Eindhoven and Enschede, the Netherlands, provides project management and engineering services to the Allseas Group. Regional project and engineering offices are also located in Perth, Australia; Houston, USA; Kuala Lumpur, Malaysia; and Doha, Qatar.

2612 PA Delft
The Netherlands
Tel: +31 15 268 1800
Fax: +31 15 257 1623

5611 SP Eindhoven
The Netherlands
Tel: +31 15 268 1800

7521 PL Enschede
The Netherlands
Tel: +31 15 268 1800

WA 6000 Perth, CBD
Australia
Tel: +61 8 6181 9500
Fax: +61 8 6181 9555

77389 Spring, Texas
United States of America
Tel: +1 281 999 3330
Fax: +1 281 999 6363

Level 22, Ilham Tower
No. 8, Jalan Binjai
50450 Kuala Lumpur, Malaysia
Tel: +60 3 2181 3323

9th Floor, Office No.916
Doha, Qatar
Tel: +97 44 410 1541

Rio de Janeiro, RJ
Cep: 22250-908
Brasil
Allseas Marine Services in Essen, Belgium, manages the crewing of Allseas’ vessels and provides commercial support to the Allseas Group.

B-2910 Essen
Belgium
Tel: +32 3 670 1830
Fax: +32 3 667 7969
Bluemarine Offshore Yard Service (BOYS), located in the Port of Rotterdam, serves as the logistics hub for project materials and vessel consumables. BOYS also handles the storage and maintenance of project equipment.

Ophemertstraat 85
3089 JD Rotterdam
The Netherlands
Tel: +31 10 4876 666
Fax: +31 10 4298 677
Allseas Fabrication, located in Heijningen, the Netherlands, provides fabrication, testing and coating services to support Allseas’ offshore operations. Machinefabriek Schaap, in Hardinxveld-Giessendam, the Netherlands, specialises in the fabrication and repair of complex steel products and components.
4794 TB Heijningen
The Netherlands
Tel: +31 15 268 1800
Fax: +31 15 257 1623

3371 KA Hardinxveld-Giessendam
The Netherlands
Tel: +31 184 614 803