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In maritime supply, the person requesting a quotation is not always the person who owns the vessel, approves the budget or signs the final contract. For suppliers, junior procurement staff and students, this can be confusing. A vessel may be owned by one company, technically managed by another, commercially operated by a third party and supplied through a procurement desk located in a completely different country.
Understanding the ship owner ship manager procurement decision structure helps suppliers route RFQs correctly, avoid delays, identify the real decision-maker and understand why approvals sometimes take longer than expected.
In practice, procurement authority depends on ownership structure, management agreement, budget type, fleet policy, vessel operation model, frame agreements and urgency. A ship-owner may control strategic purchasing. A ship-manager may manage day-to-day supply. A third-party manager may operate within delegated authority. The supplier must understand where the decision sits.
AVS Global Ship Supply & Catering supports ship owners, ship managers, procurement teams and vessel operators with global ship supply, technical stores, provisions, bonded stores and multi-port procurement coordination across international ports.
For vessel supply and procurement support, visit Global Ship Supply, read more about Global Procurement or submit your request through Quick Quote.
A vessel is not always controlled by a single company in every sense. The owner, manager and operator may be different entities. Each may control a different part of the vessel’s commercial, technical or procurement life.
For suppliers, the important point is this: the company name painted on a vessel, listed in a registry or mentioned in an RFQ may not be the company that approves a supply order.
The ship-owner is the legal or beneficial owner of the vessel. The owner may be a shipping company, investment company, family business, fund, single-purpose vehicle, bank, leasing company or maritime group.
The owner typically has a strong role in:
However, the owner may not manage every daily supply request directly. Many owners delegate operational procurement to managers.
The ship-manager is the company responsible for managing the vessel under a management agreement. This may include technical management, crew management, procurement, maintenance, compliance, insurance support and operational administration.
A ship-manager may be an in-house management company owned by the ship-owner, or an external third-party manager.
The ship-manager often handles:
For many suppliers, the ship-manager is the most visible procurement contact.
A third-party ship manager is an external company appointed by the owner to manage the vessel. The owner keeps ownership, but the manager handles agreed operational functions.
Third-party management is common when an owner wants professional fleet management without building a full internal technical and crewing organization.
A third-party manager may manage:
However, a third-party manager’s procurement authority depends on the contract with the owner. Some managers have wide authority. Others must seek owner approval for many purchases.
The ship-owner usually controls the asset and the strategic direction of the vessel. Even when day-to-day management is outsourced, the owner remains important in procurement because budget, supplier policy and major expenditure often connect back to ownership decisions.
Owners may define procurement rules for the fleet. These rules can include preferred suppliers, approved vendor lists, compliance requirements, payment terms, documentation standards, ESG expectations and budget approval levels.
Owner-level procurement policy may cover:
This means a manager may request a quotation, but the owner’s policy may decide whether the supplier can actually be used.
Ship-owners typically play a stronger role in CAPEX procurement. CAPEX refers to capital expenditure: major spending that improves, upgrades or extends the life of the vessel.
Examples may include:
These decisions usually require owner approval because they affect asset value, long-term financing and vessel strategy.
Owners may sign frame agreements with global suppliers for provisions, technical stores, lubricants, paints, safety equipment, spare parts, chemicals or services.
A frame agreement may define:
Even if the ship-manager handles daily RFQs, the owner may decide which strategic suppliers are preferred or mandatory.
Some companies are owner-operators. This means they own and operate their vessels directly through an internal organization.
In owner-operator structures, procurement can be more centralized because ownership, management and operation are under the same corporate group.
Owner-operators may have:
However, even owner-operators may use external suppliers, port agents or regional buying offices for local execution.
The ship-manager usually controls daily operational purchasing within agreed authority limits. For suppliers, this is often the most important relationship because ship managers issue RFQs, compare prices, approve routine supplies and coordinate delivery to the vessel.
Day-to-day procurement usually includes items needed for safe and efficient vessel operation.
This may include:
These purchases are often treated as OPEX, meaning operational expenditure.
OPEX procurement covers recurring operational spending required to keep the vessel running.
Examples include:
The ship-manager may have authority to approve OPEX purchases within a budget or approval threshold. Above that threshold, owner approval may be needed.
A technical manager and a crew manager may both be involved in vessel operations, but their procurement roles differ.
A technical manager usually focuses on:
A crew manager usually focuses on:
Some companies combine these functions. Others separate them across different departments or companies.
The ship-manager may issue the purchase order, check delivery documents and verify invoices. Even when the owner pays the final invoice, the manager may confirm that the goods were requested, delivered and accepted.
A typical workflow may include:
For suppliers, knowing who issues the PO and who pays the invoice is essential.
Third-party managers allow ship-owners to outsource technical, crew or full management functions. This structure can improve expertise, reduce internal overhead and provide access to established supplier networks.
However, third-party management can also make procurement authority less obvious.
A third-party manager may be authorized to make routine procurement decisions within the approved annual budget. This can include provisions, stores, routine repairs and minor spare parts.
The manager may be allowed to:
The exact authority depends on the management agreement.
A third-party manager may need owner approval for:
This explains why suppliers sometimes receive RFQs quickly but wait longer for final approval.
Not always. Some third-party managers can choose suppliers within approved categories. Others must follow owner-approved vendor lists or frame agreements.
Supplier change may require approval when:
Suppliers should not assume that a manager’s interest automatically means the supplier can be used immediately.
A vessel may switch managers for commercial, operational, financial or strategic reasons.
Common reasons include:
When a vessel changes manager, supplier contacts, approval routes and payment instructions may also change.
Procurement authority is usually delegated through contracts, budgets, internal procedures and approval matrices. The question is not only “who wants the item?” but also “who has authority to approve the purchase?”
An approval matrix defines who can approve which type of spending and up to what amount.
It may include:
For suppliers, this explains why a small provisions order may be approved quickly, while a large technical supply request may require multiple approvals.
A vessel requisition is not the same as purchase approval. The vessel may request an item, but shore management decides whether to approve, source and order it.
The vessel may identify the need for:
But shore teams may check:
The supplier should treat a vessel request as an important signal, but not always as final authority.
OPEX and CAPEX are important in procurement authority.
OPEX is routine operational expenditure. It usually covers recurring supplies and services needed for vessel operation.
CAPEX is capital expenditure. It usually covers major investments, upgrades or asset improvements.
OPEX may be approved by the manager within budget. CAPEX usually requires owner approval.
Examples of OPEX:
Examples of CAPEX:
Understanding whether the request is OPEX or CAPEX helps suppliers predict the approval path.
A bareboat charter is a structure where the charterer takes over possession and operation of the vessel for a period, often with responsibility for crewing, maintenance and operational costs.
In a bareboat structure, procurement authority may shift from the owner to the bareboat charterer or its appointed manager.
This can affect:
Suppliers should confirm the responsible contracting party before accepting orders.
For suppliers, the most practical question is: “Who should receive the quotation, and who can approve the order?”
Wrong RFQ routing can delay supply, create duplicate quotations or cause confusion between owner, manager, vessel and agent.
Suppliers should look for clues in the RFQ.
Important questions include:
These questions help prevent quotation and payment problems later.
In a multi-party structure, the RFQ may involve several stakeholders:
The supplier should confirm who is responsible for final commercial approval and who will be the contracting party.
Assumptions create risk in maritime procurement. A supplier may assume the owner will pay because the owner name is known. In reality, the manager may be the contracting party. Or the port agent may request supply on behalf of the vessel but may not be responsible for payment.
Common risks include:
A clear RFQ process protects both supplier and vessel.
AVS works with ship owners, ship managers, technical managers, procurement teams, port agents and vessel operators across different decision structures.
AVS can support:
Different fleets use different procurement models. AVS helps align supply execution with the correct approval and delivery structure.
For ship supply and RFQ support, submit your request through Quick Quote.
Ship procurement decisions are not always made by one company or one person. The ship-owner controls the asset and strategic direction. The ship-manager often handles day-to-day procurement. A third-party manager may act under delegated authority. The vessel may request the item, but shore teams approve and source it.
For suppliers, understanding the decision structure reduces delays, protects payment, improves RFQ routing and strengthens customer relationships.
The key is to identify the contracting party, approval authority, PO issuer, invoice party and delivery receiver before execution. In urgent supply, this clarity becomes even more important.
AVS Global Ship Supply & Catering supports ship owners, managers and procurement teams with coordinated ship supply solutions across international ports.
The ship-owner owns the vessel or controls the asset, while the ship-manager handles agreed operational functions such as technical management, crew management, procurement, maintenance and compliance.
It depends on the structure. Sometimes the owner pays directly. Sometimes the manager pays and recharges the owner. Sometimes a charterer or agent may be involved. Suppliers should confirm the contracting and invoice party before delivery.
Not always. A third-party manager may have authority to choose suppliers within approved limits, but owner-approved vendor lists, frame agreements, compliance rules or budget thresholds may restrict supplier changes.
A technical manager focuses on maintenance, repairs, technical stores, spare parts and vessel compliance. A crew manager focuses on crew changes, documentation, training, welfare, travel and crew-related support.
Frame agreements may be signed by the ship-owner, ship-manager, procurement company, fleet group or holding company depending on how procurement is centralized.
Yes. Owner-operators own and operate vessels within the same group, so procurement can be more centralized and direct. However, they may still use agents, regional suppliers or external service providers.
Vessels may switch managers due to ownership changes, cost control, performance concerns, fleet restructuring, charter requirements, sale and leaseback structures or strategic management decisions.
AVS works with owners, managers, procurement teams, agents and vessel operators by clarifying RFQ details, delivery requirements, invoicing information and operational responsibilities before supply execution.
Bareboat charter gives the charterer possession and operational responsibility for the vessel for a period. This can shift procurement authority, payment responsibility and supplier coordination away from the owner to the charterer or appointed manager.
Many large owners centralize procurement through group purchasing departments, frame agreements or approved vendor systems. However, local execution may still be handled by managers, agents or port suppliers.
Check who sent the RFQ, who issues the purchase order, who approves the budget, who receives the goods, who is the invoice party and whether owner approval or manager approval is required.
OPEX procurement covers routine operational expenses such as provisions, stores and minor repairs. CAPEX procurement covers major investments, upgrades or asset improvements and usually requires higher-level owner approval.
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