About Us

As a member of the Siem Group, long term relationships are key to Siem Shipowning.

Our goal is to offer the best possible service with a high focus on quality.


The chartering in and out of the vessels is done from our Sutton office. chartering@siemshipping.com


The crewing and technical management of all owned vessels is carried out by wholly owned subsidiary Siem Ship Management Sp. z o.o. from offices in Gdynia, Poland. For further information on Siem Ship Management please see their dedicated site Siem Ship Management





Kristian Siem



Kristian Siem has been a Director of Siem Industries since 1982. He is also Chairman of Subsea 7 SA and Siem Shipowning Inc. and is a Director of Siem Offshore Inc. and Frupor S.A., Portugal. Mr. Siem is a Norwegian citizen.





Harald Kuznik




Mr. Harald Kuznik is a consultant for shipping companies on financing and other banking matters. Mr. Kuznik retired as Global Head of Shipping at HSH Nordbank AG in Germany in 2010. Mr. Kuznik is an economist and lawyer by education and a German citizen.


Sasha Siem




Ms. Sasha Siem is a daughter of Kristian Siem. Her educational background includes a MA, Mphil from Cambridge University, PhD from Harvard University, and she is also an Academic Fellow of Columbia University. She is a UK citizen.


Carsten Plougmann Andersen



Mr. Plougmann Andersen has over 40 years experience from Maersk, and was the CEO from 2004 for Maersk Supply Service until he retired June 2015. Mr. Plougmann Andersen is a Danish citizen.