How to Verify a Ship Supply Customer Before Credit

To verify a new ship supply customer, check four things before you extend credit: the legal entity behind the order, the vessel and its commercial operator, two independent trade references, and a sanctions screen that looks at behaviour rather than names alone. Then price the risk into the terms you offer.

The order usually arrives by email from an address you have never seen, quoting a vessel name and an ETA. A PDA (port disbursement account, the estimate of port costs an agent raises for a ship) is not a credit reference. Neither is a vessel name. A 2020 study in the Journal of Coastal Research found that contract performance ability is the biggest source of risk in maritime supply chain trade networks (Journal of Coastal Research).

Start with the legal entity, not the vessel

Ask for the registered company name, registration number, registered address and the name of the person who will sign. A ship manager may order on behalf of an owner, so confirm which entity is liable for the invoice.

• Match the ordering domain to the company's registered domain, not to a free mail service.
• Check the IMO number (the seven-digit permanent identifier for the ship) against the name and call sign in the order.
• Confirm the DOC holder (the company holding the Document of Compliance under the ISM Code) if the order comes from a technical manager.
• Record the beneficial owner if the ordering entity was incorporated recently or sits in a different jurisdiction from the ship's trade.

The maritime industry is a multi-tiered sector where trust and ownership evidence are hard to establish, which is why container traceability research has focused on ownership history (IEEE Access). The same logic applies to a first order: establish who owns the obligation before the goods leave your warehouse.

Screen the vessel and the operator, not just the name

A clean name on a sanctions list is not proof of a clean transaction. In October 2026, Adani Enterprises agreed to pay $275m after OFAC found that its pre-cargo screening of ships, operators and sellers had returned clean names (Splash247).

The lesson for a chandler or agent is that sanctions exposure often sits in the voyage pattern, the ownership chain and the counterparties around the ship. Reporting on Venezuela's reopened oil trade makes the same point: the question is no longer only whether a vessel is on a list, but what the vessel is doing and what the evidence says (Hellenic Shipping News).

Professional services are now in scope too. In October 2026 the United States sanctioned a law firm, shipping agents and nine vessels accused of helping Iran move oil and other commodities (gCaptain). A supplier that never touches the cargo can still be part of the chain that serves it.

Ask for trade references that can be checked

Two references from suppliers who have invoiced the same entity, in the same segment, in the last twelve months are worth more than a bank letter. Ask each reference three questions: how much credit was extended, how many days late payment ran, and whether they would extend the same terms again.

Where credit is tight, the reference call is also a chance to learn the payment route. Suppliers who have been paid from a third-party account, or in a currency that does not match the contract, can tell you whether that is normal for this buyer.

Decide the terms: cash on delivery or credit

For a first order, cash on delivery, payment before release, or a bank guarantee removes most of the risk. Credit is a decision about the customer's ability to perform, not a courtesy.

SignalSuggested first-order terms New entity, no verifiable referencesPayment before delivery, or cash on collection Known manager, references confirm prompt payment30-day credit with a low initial limit Vessel or operator flagged in screeningDecline, or escalate to compliance before quoting Order routed through a broker you cannot verifyPayment against documents, no open account

Geopolitical shocks in 2025 showed how quickly a low-cost source can become unavailable or expensive to deliver, and procurement models now weigh transport risk and supply security alongside price (International Journal of Advanced Multidisciplinary Research and Studies). A supplier's credit decision is the same trade-off in reverse: the cheapest customer to win may be the most expensive to collect from.

Sanctions regimes move faster than customer records. The 2022 to 2024 period alone brought an EU embargo and G7 price cap on Russian seaborne crude, Red Sea diversions, renewed Iran concern, reimposed US sanctions on Venezuela and OPEC+ cuts, while benchmark prices stayed comparatively stable (International Journal of Advanced Multidisciplinary Research and Studies). A customer that screened clean last year may not screen clean today.

Keep a file that would survive a second look

Record what you checked, when, and what you decided. If a payment dispute or a regulator asks later, the file is the difference between a documented judgement and an unexplained credit line.

1. Entity check: registration, address, signatory.
2. Vessel check: IMO number, operator, DOC holder, last known voyages.
3. Sanctions screen: vessel, operator, owner, beneficial owner, ordering contact.
4. References: two calls, with dates and named contacts.
5. Decision: terms offered, limit, review date.

For the sanctions list side of the check, the VesselReach guide to sanctions lists to check before a port call sets out which registers to use. For the payment side, bunker fuel credit terms for chandlers and agents covers how credit lines are usually structured in this trade.

How VesselReach helps

Verification starts before the enquiry lands. VesselReach shows vessels near your selected ports and scheduled arrivals, and its AI identifies the company behind each vessel: owner, manager, operator or charterer. That gives you the entity to check before you quote.

• Decision-maker discovery finds operations, procurement and fleet contacts by role, which means you can ask the right person for registration and references.
• Staged multichannel outreach across email, WhatsApp and phone lets you confirm the buyer and the terms before committing stock.
• AI enquiry handling answers routine questions from approved information and escalates to your team when it cannot verify an answer.

Book a VesselReach demo to see how the workflow fits your ports, then test it on a 10-day free trial.