Later on, throughout the developments of the offshore oil and gas industry on the Dutch Continental Shelf from 1968 onwards, Noordhoek was involved in the majority of the offshore projects, and ascertained her position as a Subsea Contractor.

1 September 2011 Noordhoek changed her name into N-Sea.

Today N-Sea has evolved in an Integrated Subsea Service Provider offering comprehensive range of services within the Oil and Gas, Renewable, Cable and Dredging Industry.

As a group N-Sea performs work regularly for a number of the major and private oil companies including Gaz de France, Shell, NAM, Burlington, BP, Wintershall, ConocoPhillips, PetroCanada, Total, Perenco etc. and as a subcontractor supported a number of major contractors including Technip and Acergy.

N-Sea is an active member of the IMCA and is certified according to Lloyds Register for the ISO 9001:2000 and VCA / SCC**.