ICAEW.com works better with JavaScript enabled.

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.

Supporting audit quality

Access practical resources on key areas of the audit to help understand auditors’ responsibilities and the requirements of International Standards on Auditing (ISAs) and support audit quality. These resources include practical support to help auditors deal with the challenges that may arise.

What is assurance?

Discover 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 - ranging from those exempt from mandatory audit requirements to those seeking assurance on non-financial business information.

The nine stages of an assurance engagement

Assurance engagements can be typically broken up into nine stages. Not all stages will be clearly separated and identifiable in every engagement. Some stages, such as the engagement letter, may not be required during internal assurance, while others, such as the problem-solving phase, may not be necessary in some external engagements.

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 change

Change is a feature of doing business, but managing it successfully can be complex. This guide outlines how internal audit can help project managers implement changes by adopting good practices throughout the project life cycle.

How to audit the cloud

Cloud computing is transforming business IT services, but it also poses significant risks that need to be planned for. This practical guide for internal audits outlines how they should assess risk management.

Regulation and working in audit

Local public audit in England

ICAEW is 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.

The future of audit

User-driven assurance: fresh thinking

With calls for better engagement between auditors and users, we recommend the application of a three "pillar" model of what we call "User-Driven Assurance"; a new way of thinking about assurance, directed in its first phase by the needs of the primary user – the shareholders.

What auditors do: the scope of audit

Recent corporate failures have increased public concern about the value of audit and the role of auditors. To help inform debate on the scope of audit, this second supporting paper to our Future of Audit thought leadership essays explains what auditors do, why audits are necessary, the limitations of audit, and what gets audited and what doesn’t.

Latest audit news from our Insights section

ICAEW technical round-up: July 2021

This month’s top technical stories include information on the fifth SEISS grant, ICAEW’s response to the government’s proposed reforms for audit and corporate governance, and the FRC’s new Quality Management standards.

ICAEW regulatory round-up: July 2021

This month’s regulatory content includes the ICAEW Regulatory Board’s response to the government’s proposed corporate governance and audit reforms, news on new CPS failure to report guidance and the latest insolvency updates.