Our Services

ISM, ISPS & MLC Compliance Management
Thetis provides compliance management services strictly limited to statutory certification and regulatory oversight under:
As the Document of Compliance (DOC) holder, Thetis acts as your central compliance authority for ISM, ISPS, and MLC certification.
Our Document of Compliance (DOC), issued under the International Safety Management (ISM) Code, reflects our commitment to maintaining a robust and effective Safety Management System.
Certified by the below Flag Administrations, we are authorised to manage yachts and commercial vessels in full alignment with international maritime conventions and flag state requirements, ensuring safety, transparency, and operational excellence at every level.
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  •  <span class="lte-header lte-h5"> Malta  </span> Malta
  •  <span class="lte-header lte-h5"> Hellenic Republic </span> Hellenic Republic
  •  <span class="lte-header lte-h5"> The Commonwealth<br />
of the Bahamas </span> The Commonwealth
    of the Bahamas
  •  <span class="lte-header lte-h5"> The Government<br />
of Cayman Islands  </span> The Government
    of Cayman Islands
Our role goes far beyond arranging certificates and renewals. We ensure your vessel remains continuously aligned with international maritime regulations through structured oversight and systematic verification.
We:

Proactive Oversight.
Structured Assurance.

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Compliance is not reactive, it must be continuous.
Where findings or observations arise, we:
Our oversight ensures that issues are addressed efficiently, minimizing operational risk and safeguarding your vessel’s certification status.
Our objective is clear and uncompromising:
With Thetis Shipholding S.A., you gain more than compliance administration, you gain a dedicated regulatory safeguard, working quietly and consistently to protect your vessel, your crew, and your reputation.
Safety Management System Manual
Operating a yacht today requires more than exceptional seamanship, it demands full compliance with the International Safety Management (ISM) Code and continuous alignment with evolving maritime regulations.
Our company specializes in delivering comprehensive ISM-related services tailored specifically to yachts. We provide a fully developed Safety Management System (SMS) designed to meet the requirements of the International Maritime Organization and the standards set by the International Safety Management Code.
A Complete, Living SMS, Not Just a Manual
We don’t simply hand over documentation. We deliver a structured, practical, and yacht-focused SMS that is:
Most importantly, your SMS is continuously monitored and updated. Maritime regulations, flag requirements, and industry best practices evolve, and so does your system. We proactively track regulatory developments and implement necessary revisions to ensure your yacht remains compliant at all times.
Ongoing Monitoring & Support
Our service includes:
We act as your dedicated shore-based support partner, ensuring your yacht’s safety management framework remains robust, compliant, and effective.
Peace of Mind at Sea
With our expertise, owners and captains gain confidence that their vessel’s safety management system is not static, but actively maintained and aligned with the latest international standards.
Safety, compliance, and operational excellence, continuously managed.
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