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Audit and Assurance

The audit, assurance and internal audit area has information and guidance on technical and practical matters in relation to these three areas of practice. There are links to events, publications, technical help and audit representations.


In this section

Audit exemption

Guidance on the exemption requirements for reporting periods beginning on and after 1 January 2016.

Appointment and engagement terms

Access practical resources on client acceptance, auditor appointment and agreeing engagement terms to help understand auditors’ responsibilities and the requirements of International Standards on Auditing (ISAs), in particular, ISA 210. These resources include practical support to help auditors deal with the challenges that may arise.

Planning, risk assessment and internal control

Access practical resources on planning an audit, risk assessment and internal controls to help understand auditors’ responsibilities and the requirements of International Standards on Auditing (ISAs), in particular, ISA 315. These resources include practical support to help auditors deal with the challenges that may arise.

Quality control in the audit environment

Quality Control in the audit environment is an important area of focus for audit practitioners. This section provides guidance to firms on international quality control standards for auditors, including International Standard on Quality Control 1 (ISQC 1) and includes our paper on improving audit quality using root cause analysis (RCA). It also picks up international developments, including the IAASB audit quality project.

What is assurance?

Assurance is a general term for the comfort that can be derived from credible information. Find out more on: what assurance means, what can trigger the need for assurance, what an assurance engagement is and what assurance mapping is.

What can assurance cover?

Information on the variety of assurance options open to organisations - from those exempt from mandatory audit requirements to those seeking assurance on non-financial business information.

The assurance process

Practical guidance for practitioners and their clients on the how assurance engagements are planned, undertaken and reported. Resources include overviews of the typical stages that make up an engagement and what is involved at each stage.

Standards and guidance

A comprehensive list of standards and guidance covering external assurance engagements. Find out which standards apply for engagements by subject area, as well as information on individual standards and the practical application of guidance to assurance engagements.

How to audit the cloud

Cloud computing is transforming business IT services, increasing its operational efficiencies and reducing its costs. But the use of cloud computing services also poses significant risks that need to be planned for by audit committees, boards and management if they are to be handled effectively.

How do you audit a robot?

Guidance for internal auditors on providing assurance over robotic process automation (RPA). The ICAEW’s Internal Audit Panel outline the key risks for organisations in implementing RPA and how internal audit can mitigate these risks. ICAEW members can download more detailed guidance.

Internal audit in the age of data analytics

Effective analysis of data must lie at the heart of internal audits if they are to remain relevant to stakeholders. To make this happen strong governance frameworks are needed on data analytics, covering four key areas: quality, talent, independence and security.

Regulation and working in audit

Local public audit in England

ICAEW is now responsible for the licensing, registering and monitoring of auditors who wish to carry out audits of local public bodies. This page explains what accountancy firms and individuals need to do to become a registered local auditor under the Local Audit and Accountability Act 2014.

Brexit: Removal of audit rights in Ireland

ICAEW has received an indication from the Irish audit authorities that they interpret the Audit Directive to mean that non-Irish resident accountancy firms currently on the Irish Audit register, are unlikely to retain automatic audit rights in Ireland after 29 March 2019 in the event of a no-deal Brexit. Your firm will be directly affected by this.