The ABS Guidelines on Control Objectives & Procedures for Outsourced Service Providers Version 1.1 (Updated Jun 1, 2017)
Outsourced Service Provider’s Audit Report (OSPAR) Template version 1.1
FAQ on the ABS Guidelines on Control Objectives & Procedures for Outsourced Service Providers (updated 15 Jun 2017)
Control Audit process for Outsourced Service Providers
Outsourcing Assessment Guide (Updated: 22 Sep 2017)
ABS OSP Registry (for ABS Members only)
List of OSPAR Audited Outsourced Service Providers (Updated: 3 February 2023)
List of Qualified Auditors (updated 17 February 2022)
Audit firms are required to email the CVs of the auditors performing the audits to ABS. Please email ABS at outsourcing@abs.org.sg or call +65 6224-4300 for more information