Supplier guidelines

Wärtsilä Supplier Handbook

The Wärtsilä Supplier Handbook provides a general overview of Wärtsilä’s expectations of its suppliers:

  • General information and minimum requirements to be a supplier for Wärtsilä
  • Quality assurance related information on supplier deliverable products and material
  • Information on supplier performance processes
  • Operational way of working with suppliers.

The handbook is applicable both for existing Wärtsilä suppliers as well as for companies desiring to become suppliers. It is intended to provide guidance as to how to build supplier operations that meet our company requirements. It also clarifies requirements regarding Wärtsilä’s environmental and sustainability strategy, as well as ethical business and Code of Conduct.

The handbook does not overrule any signed agreements, project specific documentation, purchase orders, drawings, specifications, and/or instructions applied to specific products in detail.

The Supplier Requirements mentioned in the Supplier Handbook are subject to change. The latest Supplier Requirements which are applicable to all suppliers of Wärtsilä are mentioned on the Supplier Requirements page.

Safety Handbook

The Safety Handbook offers assistance and guidance for performing work safely, at Wärtsilä project sites, in factories or workshops, or in the offices. This Handbook provides a quick guide and summary of the minimum, basic safety practices to be applied worldwide by Wärtsilä personnel, without overriding any local additional rules and regulations. Local regulation should always apply in addition to these corporate guidelines.

Download the Safety Handbook

Safety handbook

Cyber security instructions

Cyber security instructions booklet presents a brief overview of cyber security instructions and best practices. Cyber security is protection of assets in cyberspace from cyber attacks. Cyber security means Wärtsilä’s and its suppliers ability to secure their people, information, systems and reputation in cyberspace. Cyberspace is the always-on, technologically interconnected world; which consists of people, organisations, information and technology.

Cyber security instructions

Wärtsilä Supplier Handbook

Wärtsilä Life-saving rules

Ten life-saving rules are put in place to ensure consistent behavior to prevent incidents that could result in a serious injury or a fatality. The life-saving rules apply to all workers and partners involved with Wärtsilä’s operations or visiting our premises.

Wärtsilä life-saving rules

Life-saving rules

Purchase invoices instructions

In order to improve and assure the quality and efficiency of the Accounts Payable process, please ensure that you as a supplier follow and fulfil Wärtsilä’s instructions for purchase invoices. Wärtsilä prefers e-invoices, please find more information on the Digital Collaboration page.

Minimum purchase invoice data requirements

The purchase invoice has to contain the following data:

  1. Correct, official Wärtsilä Company name and address = Company address (e.g. Wärtsilä Finland Oy including business unit / department)
  2. Business unit
  3. Correct Wärtsilä Company VAT number
  4. Correct Supplier address and VAT number
  5. Correct and valid Supplier bank account information
  6. Correct references
    • Wärtsilä’s contact person
    • Purchase order or cost object (cost center, order, network, WBS, shipment number)
  7. Correct delivery address of the goods (to be mentioned if it is other than Wärtsilä Company address)
  8. Purchase invoice shall also include:
    • Date and number of the invoice
    • Due date / Payment term
    • Delivery number
    • Description of purchased goods / service
    • Correct price and quantity
    • In case of a freight purchase invoice, also consignee information must be mentioned
    • Customs data related information such as country of origin, commodity code and when applicable also ECN/ECCN for each item line
  9. Additional requirements regarding intra EU deliveries
  10. Net weight

NOTE! Purchase invoices with wrong or missing information will be returned to suppliers and this will cause delays in payments.