Maritime and offshore: what the register shows the world
A vessel owned by a Dutch entity is recorded twice: once in the trade register against the owning company, once in the ship register against the vessel itself. A mortgage sits on the vessel's own entry, not on the company's. What each register shows, and what it deliberately leaves out, decides who a counterparty, a financier or a claimant can actually reach.
Why this arises here
Most Dutch operating companies keep every asset on one balance sheet, so the trade register tells most of the story on its own. Maritime and offshore ownership is usually split apart: a single vessel sits in its own company, and that company's only asset is the ship. This sits squarely within corporate law and governance in the Netherlands: ownership structuring, not shipping regulation, is what actually changes here.
The Kadaster keeps a separate ship register, the scheepsregister (ship register), for title and mortgages on seagoing vessels and on ships still under construction. A search of the trade register alone will show a shell company with a director and a filed balance sheet. It will not show whether the vessel underneath it is mortgaged, sold, or under arrest.
The mechanics in short
Three registers touch a Dutch vessel, and they answer three different questions.
The trade register (Handelsregister, kept by KVK) records the owning entity: its directors, its registered office, the accounts it has filed. This is where a structure report starts, but on its own it says nothing about the ship.
The ship register records title to the vessel and any mortgage registered against it. A ship under construction can be registered provisionally, before it is finished or named, which lets a yard and a financier record their positions ahead of delivery. Once a mortgage is entered here, it ranks against the vessel regardless of what happens to the owning company: a change of directors or shareholders leaves the mortgage untouched.
The UBO register records the ultimate beneficial owner of the owning entity. It applies to a single-ship company exactly as it applies to any other Dutch entity: the ship itself has no beneficial owner to record, only the company that holds it does.
None of the three registers cross-references the others automatically. A search of the ship register tells you who owns the vessel and who holds a mortgage over it. It will not tell you whether that owner is itself under Dutch or foreign control, or whether the shares in the owning company are pledged. That link has to be built by hand, trade register to ship register and back.
The pattern specific to maritime and offshore
Three patterns recur here and nowhere else in quite the same form.
First, the single-ship company. Each vessel in a fleet is commonly held by its own Dutch entity, so an incident, an arrest or a claim against one ship does not reach the others through a shared balance sheet. The trade register will show a cluster of near-identical companies with the same director and a different vessel each. That clustering is a signal, not a defect.
Second, the nationality condition attached to flying the Dutch flag. Eligibility turns in part on the nationality of the owning entity and, in practice, of those who direct it. This point has been under revision and is not settled in a form we cite by number here, so check the current position directly against the flag administration before relying on it. A vessel that fails the condition can still be owned by a Dutch company; it will simply not carry the Dutch flag, and the register entry will show that gap.
Third, a boundary case that only arises in offshore work. A jack-up unit or a wind farm service vessel can sit on the line between a "ship" for ship register purposes and an "installation" for permitting and safety purposes. Which side of that line it falls on decides which register applies, and a structure built around one classification can be wrong-footed if the unit is later reclassified.
What to check
Before relying on a maritime or offshore filing, check five things against the registers directly, not against what a broker or a seller states.
- Is the vessel registered, and is that registration final or still provisional?
- Is a mortgage recorded against it, and in what rank?
- Is the owning entity a single-ship company, and is it current in its own filings?
- Is the UBO register entry for that entity up to date?
- If the unit is an offshore installation rather than a conventional ship, which register and which permitting regime actually applies to it?
A gap on any of these five points is the difference between a clean acquisition and a vessel you cannot finance, arrest, or sell without first curing the register.
The three registers, side by side
| Register | What it records | Who may search it | What it omits |
|---|---|---|---|
| Trade register (Handelsregister, KVK) | The owning entity: directors, registered office, filed accounts | Anyone | The vessel itself, any mortgage on it |
| Ship register (Kadaster) | Title to the vessel, registered mortgages, provisional registration for vessels under construction | Anyone | The entity's own liabilities and accounts |
| UBO register | The ultimate beneficial owner of the owning entity | A limited public extract; a full extract to competent authorities | The vessel's flag status or classification |
What this does not cover
- Classification society records or hull and machinery survey status.
- Insurance placement, P&I cover or claims history.
- Crew certification, manning scales or seafarer employment terms.
- Sanctions screening of counterparties, cargo or trading routes.
- Environmental permitting for offshore installations, which sits outside both the trade register and the ship register.
Questions
Does the ship register show who currently owns a vessel?
It shows the registered titleholder and any mortgage recorded against the vessel. Title recorded here is not the same as beneficial ownership, which sits in the UBO register against the owning entity, not against the ship itself.
Can a dispute over title to a vessel be brought before a Dutch court?
Yes. A dispute over a registered Dutch vessel, or over a mortgage recorded against it, is brought before a Dutch court in the usual way. The register entry is evidence of title, not a substitute for a judgment where title is genuinely contested.
Does a single-ship structure hide the vessel from the owning entity's own trade register entry?
No. The trade register entry for the owning company shows the entity itself, not its assets. The vessel appears only in the ship register, which is searched separately.
Charlotte Roos, tax and structuring. She works on ownership structures that hold a single asset, including single-ship and single-unit maritime holdings, and on how those structures read from the outside.
This falls within our practice of the corporate practice. If you are comparing how filings differ by sector, see the same question worked through for media and advertising filings, or how interim relief in a logistics and transport dispute is obtained where a vessel or its cargo is involved. Where the trigger is a refinancing rather than an acquisition, the checks are the same but the sequencing differs, set out at a structure check before refinancing. Where the owning entity also employs staff across a border, see cross-border pension premium liability for directors.
A structure report for a maritime or offshore holding sets out the ownership chain, the register entries against each vessel, and the UBO filings for each owning entity: see a structure report. If your question is specific to one vessel, one mortgage or one financing, put the facts to us in writing and we will tell you which route applies.
Last legal review: 2026-09-28