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Do you offer value for money - ensuring that WSP has the best pricing to remain competitive against our peers and competitors?
- WSP Suppliers
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- Become a Supplier
More information on becoming a supplier
We’re one of the world’s leading engineering professional services consultancies – a family of more than 55,000 global changemakers, with over 7,000 here in the UK, transforming what’s possible to build a smarter, greener future for everyone. We know we can’t do this alone; it’s only possible by partnering with a diverse range of suppliers to achieve our clients’ objectives and create social value for the communities in which we work.
Supplier selection
When we consider selecting you as a supplier for goods or services, we ask the following:
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Can you help us improve our processes and give us a competitive edge?
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Do you offer high quality (in terms of performance, user satisfaction, aesthetics, consistency, and efficiency)?
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Can you contribute to our supply chain sustainability and social value goals?
Supplier onboarding
To become a supplier, you will need to complete our onboarding process. We currently provide an off-system assessment form. This is an interim step as we transition to an Oracle Supplier Questionnaire Portal. With all suppliers screened and set up for payment in our system, we can manage and pay invoices efficiently.
We only work with financially viable and ethically sound suppliers who meet our quality, delivery, risk, and financial expectations. So, as part of the onboarding process, you must agree to comply with the relevant policies. You will also be required to complete the Supplier Onboarding Questionnaire. This questionnaire includes details on health and safety, insurances, quality and more. Once it is submitted, we will carry out vetting checks on the information you have provided.
If you have any questions about onboarding, please contact UK-CentralBuyingTeam@wsp.com
Our onboarding process
Supplier invoicing and payment
WSP is a signatory to the Prompt Payment Code. You can help us pay you efficiently by submitting invoices containing the right information to the right place in the right format.
What information should I include?
To ensure your invoices are paid promptly, please include:
- Our entity name and address as shown on our purchase order
- Our purchase order number in the format of P1xxxxxUKxxx (invoices missing our PO number will be returned, unpaid). Our purchase order number raised prior to Apr'24, are in the format of 2xxxxxxx.
- Your bank account details to which our payment should be sent.
This is in addition to the elements you must include in your invoice by law (see invoicing and taking payment from customers at www.gov.uk).
Where should I send invoices?
You can email your invoice/credit note directly to our processing system at UK-Invoice@wsp.com.
For more information please see our invoice guidance document.
What formats are acceptable?
Because invoices/credits sent to this mailbox are automatically extracted from the email and not reviewed, invoices submitted by e-mail must be:
- In PDF format (not being password protected or secured document)
- Individually attached (no more than one invoice per attachment)
- Supporting documentation should be included within the invoice PDF, not attached separately.
If you have any questions in relation to invoices or payments please contact UK-AccountsPayable@wsp.com
