To register as SIAEC Supplier, please complete the Online Supplier Registration Form. For any queries or technical support, please contact the SESAMi Customer Care Team.

Suppliers must be registered with SESAMi to be able to download SIAEC RFQ/Tender documents. All submission of quotes and proposals will be done electronically via SIAEC e-Sourcing Portal through SESAMi.

SIA Engineering Company Limited is committed to high standards of ethics and business conduct. We require our suppliers to not only comply with laws and regulations, but also integrate principles of sustainable development into all areas of their business. To this end, the Company's Code of Conduct sets out a non-exhaustive list of ethical and business conduct requirements that we require all our suppliers to comply with.

Please click here for SIAEC Suppliers’ Code of Conduct.