CNS International® is dedicated to fulfil the subsea needs of the offshore energy industry.

Competence, know-how, safety, consistent performances and continuous improvement are the keywords of the operating model developed in more than 30 years of activity with the major Oil & Gas Operators and Contractors on a worldwide basis.

CNS International® is a world-wide Contractor Member of IMCA (International Marine Contractor Association) of the Diving, Remote Systems & ROV Divisions, it is a member of AISI (Associazione Imprese Subacquee Italiane), it is registered and verified by Achilles FPAL (First Point Assessment LTD).

CNS International srl Quality Management System compliance with ISO 9001:2015 and Safety Management System compliance with OHSAS 18001:2007 are both certified by DNV-GL. Furthermore, CNS International® Diving, HSE and Quality Management Systems have been audited and approved by many IOGP members and Tier 1 Contractors. Effectiveness of such systems has been demonstrated throughout the years on fields at the main markets for Offshore Oil & Gas, from West Africa to Baltic Sea, from Gulf of Mexico to Mediterranean Sea, from Persian Gulf to South-East Asia.
As a service provider, CNS International® is made up of its people.

Our team of offshore professionals, specialist engineers, business support teams and managers is committed to create a safe working environment, in which everyone is accountable for safety and constantly focusing on client needs, to provide an effective and flexible

We are presently in 5 countries, with more than 250+ people in our offshore crews from several different nationalities.

All our diving personnel are IMCA qualified and competence of offshore crew is continuously verified through the CNS International® competence assessment process, based on IMCA C003 Guidance on competence assurance and assessment: Diving Division.
What we do
CNS International® is a leading provider of turnkey diving services for the whole field lifecycle, in particular for subsea infrastructures installation and IMR offshore projects. Main capabilities include:
  • Saturation Diving Services
  • Surface Supplied (Air / Nitrox) Diving Services
  • Subsea / Diving System engineering
  • Consulting and Auditing services
  • Third party diving systems intervention:
    • commissioning
    • maintenance
    • classification / certification management
    • HRF management