Directory Search

Tier 1 search facility information

The ‘authorised contractors’ search facility is available to EDF Energy, authorised contractors, (Tier 1) the Sizewell C  Supply Chain Team, and Suffolk Chamber of Commerce. The search works by allowing authorised contractors (Tier 1)  to search by supplier capability mapped to their project requirements and provides full details for the searched for suppliers.

‘Registered suppliers’ search facility information 

Registered suppliers have ‘minimal access’ to this search facility. The minimal search will allow you to search by supplier capability and minimum information will be supplied for each relevant ‘search’.

The Sizewell C Supply Team can provide a bespoke search service for Sizewell C contractors seeking to source suppliers for delivery of services at Sizewell C. For more details please email:


The company/supplier information held on this website has been added by third parties according to the terms of the portal and as such neither we nor any third parties provide any warranty or guarantee as to the accuracy of the submission.

Your use of any information or materials on this website is entirely at your own risk, for which we shall not be liable. It shall be your own responsibility to ensure that any products, services or information available through this website meets your specific requirements.

If you cannot find the supplier capability you are looking for please email your requirements to or contact 01473 694818.