Requests for proposal / quotation or invitations to tender issued by Sigma are subject to Sigma’s Standard Conditions of Quotation, a copy of which can be downloaded via the ‘Terms & Other Resources’ tab above.

As a new or existing supplier, Sigma may request you to complete a Supplier Questionnaire. Copies of the Supplier Questionnaires (separate for Direct versus Indirect) can also be downloaded via the ‘Terms & Other Resources’ tab.