Supply to SIRS

Suppliers are important partners within our extended business and they play a crucial role in our common business success.

Approximately 70% of SIRS’ components are procured. It is vital for product conformance that our quality ethos is flowed down through all tiers to ensure high quality products are supplied.

SIRS seek suppliers who share our company’s core values. Trust and reliability are essential factors to work for SIRS. Suppliers will require a proven history of reliability, quality and product conformance and on-time delivery. SIRS look for suppliers who are innovative, offering creative and effective solutions in a challenging and ever improving environment. This ensures SIRS is able to provide first-class qualitative services to its wide Customer base.


Quality Documents

All Tier 1 suppliers are required by SIRS to hold either ISO9001:2015 or AS9100D approvals. Our supplier quality requirements are detailed within SQD-108-4-3, . SIRS will complete audits against these requirements to determine Supplier suitability and ability to meet our requirements. There is also a self-assessment matrix which corresponds to SIRS’ quality requirements. Should your company wish to register your interest in supplying to SIRS, please submit your details to

Quality Requirements Download 

Supplier Self-Assessment Download

Terms and Conditions

Terms and Conditions are applicable to all Purchase Orders. It is essential all the requirements of the Purchase Order be met in full. Any changes or deviations must be reported to SIRS before manufacture of delivery. The terms and conditions of purchase must be adhered to. The terms and conditions are available below.

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