SAP Security comprises various tools and functionalities that help secure SAP systems. While not directly competing, robust security measures are essential for IAG to function correctly. Security features like user authentication, authorization, and data encryption are vital for the successful implementation and operation of SAP IAG. Good security complements and strengthens the capabilities of IAG.

SAP Business Technology Platform (BTP) provides a platform for developing and extending SAP applications. SAP IAG can leverage BTP services for integration, automation, and custom development related to identity and access governance. IAG can also be deployed on BTP. BTP provides the platform for extending the capabilities of IAG.

SAP S/4HANA is SAP's flagship ERP system. SAP IAG is often used to manage access and compliance within S/4HANA environments. It governs access roles and permissions within the S/4HANA system to ensure compliance. Therefore, it is strongly complementary.