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Internal Audit

Internal auditing is an objective assurance and consulting activity designed to add value and improve an organization's operations. It can help an organization accomplish its strategic objectives by bringing a systematic, disciplined approach to evaluating and improving the effectiveness of risk management, control, and governance processes.

Deloitte member firms’ Internal Audit services help boards and senior executives better manage enterprise risks. Deloitte professionals help organizations enhance the effectiveness, quality, and value received from Internal Audit (IA). Deloitte’s broad understanding of risks and areas of operational improvement—particularly the nuances of specific industry sectors and markets—can help internal audit functions improve their performance and operating efficiency and bring value to their organizations.

Featured insights

Internal audit insights - High impact areas of focus


To be truly effective, internal audit departments should ensure that their efforts are targeted at the key risks and issues facing organizations - a task made more difficult in an environment of increasing complexity, uncertainty and change. Within this document, we share several key areas that we believe internal audit departments should consider incorporating into their audit plans.

Harnessing the full potential of Internal Audit


Internal Audit is not a one-size–fits-all function, and typically not everyone in the organization agrees on what its primary focus should be. Find out our thoughts on harnessing the full potential of Internal Audit – To protect and enhance.
Key questions for audit committees to ask about Internal Audit

Key questions for audit committees to ask about Internal Audit


An effective relationship between the audit committee and internal auditors is fundamental to the success of the Internal Audit (IA) function. This questionnaire is designed to assist audit committees in their evaluation of IA and the chief audit executive.
Reining in project risk: Predictive project analytics

Reining in project risk: Predictive project analytics


Predictive project analytics holds tremendous potential for helping organizations assess the likelihood of project success, improve overall project performance, and identify and implement quick fixes for projects and programs already underway.
Insight: Delivering value to stakeholders

Insight: Delivering value to stakeholders


Published by the Institute of Internal Auditors and co-authored by Deloitte & Touche LLP’s Patricia Miller and Tara Smith, this report discusses how internal auditors could do more to deliver insights into organizational risks and opportunities.
Adding insight to audit: Transforming internal audit through data analytics

Adding insight to audit: Transforming internal audit through data analytics


Business analytics holds incredible promise for moving the internal audit process from hindsight to insight and foresight. This white paper discusses how analytics allows companies to more skillfully slice and interpret their data, deliver insight, and add value — enabling executives to make more efficient and effective decisions.

Featured propositions

  • Internal Audit Outsourcing
    Outsourcing engagements are recurring in nature and comprise the performance of all internal audit activities including the annual planning, execution of the annual plan and reporting to management and the Audit Committee. Under an outsourcing arrangement, the client may or may not have a Chief Audit Executive (CAE) in place within their organization.
  • Internal Audit Co-sourcing
    Co-sourcing engagements are recurring in nature and comprise the performance of some percentage of the total annual internal audit hours for an organization.
  • Internal Audit Expertise/SME sourcing
    Subject matter expertise sourcing represents specific individual engagements where the client requires our specialist skills and expertise to deliver internal audit services. Typically, we either conduct the entire project on behalf of the client or combine our specialist resources with their team to deliver the internal audit engagement.
  • Internal Audit Effectiveness Reviews (QARs)
    The Institute of Internal Auditors (IIA) International Standards for the Professional Practice of Internal Auditing requires companies to conduct an independent quality assessment of their IA function at least once every five years.
  • Internal Audit Loan Staffing
    Loaned Staffed Engagements represent the provision of internal audit resources that are under the sole direction of the member firm client – there is NO Deloitte management oversight visible to the member firm client, no review of any working papers or other member firm client deliverables performed.
  • Internal Audit Transformation
    Internal Audit transformation engagements represent assignments to assist an internal audit function evolve and transform to become more effective and deliver increased value. Areas of focus may include, but are not limited to, methodology, team matters, use of technology and internal audit reporting. The buyer of these services may be the Chief Audit Executive, management or the Audit Committee of the Board of Directors.
  • Internal Audit Advisory
    Internal Audit advisory engagements represent assignments to assist organizations with internal audit services not captured by one of the other highlighted solution areas. Services in this area may include, for example, general consultative advice or training.

Learn More

  • IA Analytics Dash Recordings - Main series
  • Dash 1: Introduction
  • Dash 2: A mindshift to sustainable data analytics
  • Dash 3: Sustainable data analytics in practice
  • Continuous Monitoring & Continuous Auditing
    Considering the current environment of rising risks, regulatory activity, and compliance costs this can be an ideal time to consider the potential role of Continuous Monitoring, Continuous Auditing, or both.
  • The Broken Triangle?
    Improving the relationship between internal audit, management, and the audit committee.
  • Achieving Risk Intelligence in volatile times
    As companies are asked to do more with less, internal auditors can contribute to value preservation – and value creation.
  • The Risk Intelligent Chief Audit Executive
    In today’s environment, the Chief Audit Executive is in a unique postion to fight complacency and denial by enabling the enterprise to acknowledge, understand and address relevant risks and thereby seek to reduce costs.

Contact information

  • Porus Doctor
    Asia Pacific Internal Audit Leader
  • Wim Eysink
    EMEA Internal Audit Leader
  • Terry Hatherell
    Americas Internal Audit Leader

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