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Supplier Portal capabilities

04 August 2025

Selecting suppliers and managing contracts involves many steps. Think of requesting ISO certificates, storing price agreements centrally, and sharing evaluation criteria to choose the right suppliers.

Often, this still happens via long e-mail chains. Data is kept in spreadsheets managed by one employee. As a result, documents are scattered across different computers and inboxes. Not everyone has access, and it's unclear when certifications need to be renewed.

To bring structure and centralise supplier documentation, ISPnext developed the Supplier Portal for Sourcing.

Document management simplified with Supplier Portal

The Supplier Portal is a central location for sharing documents with suppliers. It works both ways: clients can share documents for signing, and suppliers can upload files themselves.

Clients can indicate what type of documentation they want to receive. This could be general company data or specific certificates like ISO.

Collega - Dirk Jan Leppers - Foto rond
“The Supplier Portal is a central place for retrieving and posting documents to suppliers. The system works both ways.”

- Dirk Jan Leppers, Product Manager | ISPnext

What you can do with the Supplier Portal

The Supplier Portal is used for a variety of purposes. For example, a document from a supplier may be needed, or the NAW data may need to be verified by the supplier itself.

The Supplier Portal has several uses. You can request documents from suppliers or ask them to verify company details.

1. Request supplier documentation

Most customers use the Supplier Portal to exchange documents. A common use case is during the pre-qualification phase. Before working with a supplier, you may want them to:

  • Sign your general terms and conditions
  • Share their most recent annual report
  • Upload ISO certificates
  • Complete a questionnaire (e.g. number of employees, legal compliance)

All this can be requested and uploaded through the portal.

Example: One customer uses the portal to check if their suppliers are financially healthy. They also ask suppliers to prove that no more than 20% of their revenue depends on this client. This prevents dependency. All this is part of the pre-qualification process and handled in the Supplier Portal.

2. Handle complaints

You can also manage complaints within the portal. This works both ways: from client to supplier and vice versa. For example, if damaged goods are delivered, the complaint can be logged, and a follow-up action requested.


3. Sourcing with the Supplier Portal

The Supplier Portal supports the sourcing process. You can request quotes from several suppliers and choose the best one.

Example: You want to buy ten laptops. You send the request to multiple suppliers through the portal. You can add a questionnaire for extra information, such as warranty conditions.

4. Automatically renew documentation

At the start of a contract, suppliers often upload proof of ISO certification. But these documents expire, sometimes without anyone noticing.

The Supplier Portal sends automatic reminders when certifications are about to expire. With one click, you can ask the supplier to upload the updated document. You can also send this request to multiple email addresses at once.

It's also possible to send a wish from Supplier Portal to multiple e-mail addresses simultaneously.

Who is the Supplier Portal for?

The Supplier Portal is used by mature organizations that already work with software for contract management, spend analysis, and supplier evaluation. It helps these companies organise document requests and improve supplier selection.

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Collega - Dirk Jan Leppers - Foto rond