Siem Offshore Contractors
Our locations
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Our Locations

Siem Offshore Contractors headquarter is located in Leer/Germany, close to the North Sea and the border with the Netherlands.

In the United Kingdom, we have an office in Aberdeen/Scotland to service our customers in Great Britain and Ireland.

We also operate a warehouse and marine base in Eemshaven/The Netherlands to provide operational support and service to our teams and vessels during project execution.

Siem Offshore Worldwide
  • Siem Offshore Contractors
    Office Germany
    Bavinkstrasse 23
    Block E
    26789 Leer
    Germany
    +49 491 91243 0
  • Siem Offshore Contractors
    Office UK
    Prospect Road
    Arnhall Business Park
    Westhill, Aberdeenshire
    AB32 6FE, United Kingdom
    +44 1224 945 501
  • Siem Offshore Contractors
    Marine Base NL
    Westlob 3
    Harbour No. 8475
    9979 XW Eemshaven
    The Netherlands
    +49 172 708 0739
  • Siem Offshore
    Australia
    Subsea House
    66, St Georges Terrace
    Perth, WA 6000
    Australia
    +61 8 6280 2010
  • Siem Offshore
    Brazil
    Av. Rodrigues Alves, 261
    GambĂ´a, Rio de Janeiro
    RJ, 20220-360
    Brazil
    +55 21 3515 9700
  • Siem Offshore
    Canada
    7 Plank Road
    St. John's
    NL A1E 1H3
    Canada
    +1 709 237 8722
  • Siem Offshore
    Ghana
    Plot B/179
    Crescent Link Labone
    CT 8541 Accra
    Greater Accra, Ghana
    +233 54 3421527
  • Siem Offshore
    Norway
    Headquarter
    Nodeviga 14
    4610 Kristiansand
    Norway
    +47 38 60 04 00
  • Siem Offshore
    Poland
    T. Wendy 15
    81-341
    Gdynia
    Poland
    +48 58 771 8400
  • Siem Offshore
    USA
    3833 South Texas Avenue
    Bryan,
    TX 77802
    USA
    +1 979 846 1890
  • Siem Offshore
    The Netherlands
    Overseas Drilling Ltd
    Westerkade 15-3
    9718 AS Groningen
    The Netherlands
    +31 50 8200 160