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Reasonable Assurance

What is Reasonable Assurance?

A high but not absolute level of assurance that the subject matter is free from material misstatement, the standard for financial and compliance audits.

Audit and Assurance

Each of these is named in at least one of the same controls as reasonable assurance. The number is how many controls name both.

What the standards actually require on reasonable assurance

Requirements naming reasonable assurance across 6 standards, quoted from the control text.

For reasonable assurance the practitioner must reach the same understanding, identify and assess (not just identify) the risks of falling short of each requirement, respond to them, and learn about the internal controls relevant to the compliance activity, jud...

asae-3100-compliance-engagements-auasb-december-2022::p32R · Paragraph 32R Reasonable assurance: assessing risks and understanding controls →

For each objective the risks that threaten it have been identified and the described controls, provided they operate effectively, would give reasonable assurance that the risks will not stop the objective from being met;

soc-1-ssae-18::C.2 · SOC 1 C.2 Controls suitably designed: risks identified and the controls, if operating effectively, giving reasonable assurance the objectives are achieved →

The risk management framework must provide reasonable assurance that each material risk to business operations is being prudently and soundly managed, having regard to the size, business mix and complexity of those operations.

SPS220-P15 · Reasonable Assurance of Prudent and Sound Management →

The bank reviews VA/PT coverage and scope and ensures the reports explicitly state reasonable assurance for each area, a requirement set when empanelling or contracting the auditor.

rbi-cybersecurity-framework-for-banks::157 · Para 157: reasonable assurance per area stated in VA/PT reports →

Issuers must maintain a system of internal accounting controls sufficient to provide reasonable assurance that transactions are executed with management's authorisation, recorded to permit GAAP financial statements and asset accountability, that access to asse...

us-foreign-corrupt-practices-act-fcpa::A-2 · Devise and maintain internal accounting controls that give reasonable assurance →
AICPA SOC 34 controls

Management designs, implements, monitors and documents controls that give reasonable assurance of achieving the commitments and requirements on the basis of the applicable criteria (Guide 2.191).

aicpa-soc-3::M-4 · Design, implement, monitor and document effective controls →

Questions people ask about reasonable assurance

What is Reasonable Assurance?
A high but not absolute level of assurance that the subject matter is free from material misstatement, the standard for financial and compliance audits.
Why is Reasonable Assurance important for compliance?
Reasonable Assurance is a key concept in Audit and Assurance. Understanding reasonable assurance helps organizations meet regulatory requirements, reduce risk, and demonstrate due diligence during audits. Our compliance platform maps 1,016 frameworks with 316K cross-framework control mappings.
Which compliance frameworks address Reasonable Assurance?
Reasonable Assurance appears in the requirement text of ASAE 3100 Compliance Engagements (AUASB, December 2022), SOC 1 (SSAE 18 / ISAE 3402), APRA SPS 220 Risk Management (Superannuation), RBI Cybersecurity Framework for Banks, US Foreign Corrupt Practices Act (FCPA). Across these standards we have identified 12 controls that name it directly, each linked to the control text on the compliance platform.
Where can I learn more about Reasonable Assurance?
Explore our compliance framework pages to see how reasonable assurance applies across different standards and regulations. Our implementation guides provide step-by-step guidance, and the compliance platform offers AI-powered analysis of how this concept maps across 1,016 frameworks.

See how Reasonable Assurance applies across compliance frameworks

Our platform maps 1,016 frameworks with 316K cross-framework control mappings. Explore how this concept is addressed across standards.

Written and maintained by Gerard Blokdyk, The Art of Service.