Suppliers

Guidelines

Guidelines

View our responsible supplier and contractor guidelines.

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Becoming a supplier

Becoming a supplier

Share information with PSE to express interest in doing business together.

Potential Suppliers
Transacting via Ariba Network

Transacting via Ariba Network

Manage your Ariba profile and transact with PSE on orders and invoicing.

Active Suppliers

Additional resources

FAQ 

Frequently Asked Questions

Review frequently asked questions for suppliers which include topics such as the supplier registration process, Ariba Network platform, bidding process, invoicing, etc.

Documentation and links 

Documentation & Relevant links

Central hub for accessing documentation and links relevant to potential and active suppliers of PSE.

Contact PSE 

Contact PSE

Raise questions or issues to PSE regarding registration, Ariba Network, invoicing and payments. Please provide details of your inquiry in the form below.