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Glossary · Audit and Assurance

What is Service organisation assurance report (ISAE 3402 / SOC 1)?

An independent auditor's report on the controls of an organisation providing outsourced services such as payroll, IT infrastructure or payment services.

A Type 1 report covers the design of controls at a point in time; a Type 2 report also covers their operating effectiveness over a period. The user entity's auditor can rely on the report in its own audit.

Source: GDS 3402, BDS 402

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Last updated: October 31, 2026 · This definition is for general information only.

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