This site is for businesses looking to become WSP suppliers. It includes details of the goods and services we purchase, how to become a supplier, and how we are developing and supporting a diverse supply chain to help achieve our environmental, sustainability and governance goals.

You can find examples on our "What we procure" page, although this is not an exhaustive list.

Yes, this is available on our policies page.

Supplier selection 

This video shows how to use MarketDojo for an RFP Event: https://youtu.be/bACgsEV6C0w

This video shows how to use MarketDojo for an E-Auction: https://youtu.be/F5EgmiI6Sz0

Please reach out to the relevant Category Manager at WSP if you require further support.

Supplier onboarding

ISO certificates for Quality (ISO 9001), Health and Safety (ISO 45001), Environment (ISO 14001) are preferred but not required. If you are unable to provide ISO certificates, you will be required to answer a series of questions on each subject, with your answers reviewed by subject matter experts

Depending on the goods or services you will provide and the nature of your business the insurances you will need are: Professional Indemnity, Employer’s Liability, Public Liability, Products Liability and All Risks.

The onboarding process is an in-depth review and the timeframe will vary depending on your responses to the assessment and whether we require further clarification or supporting documentation.


Yes, our policies within the GCoP apply to all our suppliers.

Yes, this is available on our policies page.

Get in touch with us for guidance and support.


Our requirements vary depending on the goods and services we are procuring, as well as the size and maturity of your business.

Contact us

If you have any additional questions you can get in touch with us.

Contact us