auditor là gì

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Some typical stages in the audit process

An audit is an "independent examination of financial information of any entity, whether profit oriented or not, irrespective of its size or legal khuông when such an examination is conducted with a view vĩ đại express an opinion thereon."[1] Auditing also attempts vĩ đại ensure that the books of accounts are properly maintained by the concern as required by law. Auditors consider the propositions before them, obtain evidence, and evaluate the propositions in their auditing report.[2]

Audits provide third-party assurance vĩ đại various stakeholders that the subject matter is không tính tiền from material misstatement.[3] The term is most frequently applied vĩ đại audits of the financial information relating vĩ đại a legal person. Other commonly audited areas include: secretarial and compliance, internal controls, quality management, project management, water management, and energy conservation. As a result of an audit, stakeholders may evaluate and improve the effectiveness of risk management, control, and governance over the subject matter.

Auditing has been a safeguard measure since ancient times,[4] and has since expanded vĩ đại encompass sánh many areas in the public and corporate sectors that academics have started identifying an "Audit Society".[5]


The word "audit" derives from the Latin word audire which means "to hear".[6]


During medieval times, when manual bookkeeping was prevalent, auditors in Britain used vĩ đại hear the accounts read out for them and checked that the organization's personnel were not negligent or fraudulent.[7] In 1951, Moyer identified that the most important duty of the auditor was vĩ đại detect fraud.[8] Chatfield documented that early United States auditing was viewed mainly as verification of bookkeeping detail.[9]

The Central Auditing Commission of the Communist Party of the Soviet Union (Russian: Центральная ревизионная комиссия КПСС) operated from 1921 vĩ đại 1990.

Information technology audit[edit]

An information technology audit, or information systems audit, is an examination of the management controls within an Information technology (IT) infrastructure. The evaluation of obtained evidence determines if the information systems are safeguarding assets, maintaining data integrity, and operating effectively vĩ đại achieve the organization's goals or objectives. These reviews may be performed in conjunction with a financial statement audit, internal audit, or other khuông of attestation engagement.


Due vĩ đại strong incentives (including taxation, misselling and other forms of fraud) vĩ đại misstate financial information, auditing has become a legal requirement for many entities who have the power vĩ đại exploit financial information for personal gain. Traditionally, audits were mainly associated with gaining information about financial systems and the financial records of a company or a business. Financial audits also assess whether a business or corporation adheres vĩ đại legal duties as well as other applicable statutory customs and regulations.[10][11]

Financial audits are performed vĩ đại ascertain the validity and reliability of information, as well as vĩ đại provide an assessment of a system's internal control. As a result, a third tiệc nhỏ can express an opinion of the person / organization / system (etc.) in question. The opinion given on financial statements will depend on the audit evidence obtained.

A statutory audit is a legally required review of the accuracy of a company's or government's financial statements and records. The purpose of a statutory audit is vĩ đại determine whether an organization provides a fair and accurate representation of its financial position by examining information such as ngân hàng balances, bookkeeping records, and financial transactions.

Due vĩ đại constraints, an audit seeks vĩ đại provide only reasonable assurance that the statements are không tính tiền from material error. Hence, statistical sampling is often adopted in audits. In the case of financial audits, a phối of financial statements are said vĩ đại be true and fair when they are không tính tiền of material misstatements – a concept influenced by both quantitative (numerical) and qualitative factors. But recently, the argument that auditing should go beyond just true and fair is gaining momentum.[12] And the US Public Company Accounting Oversight Board has come out with a concept release on the same.[13]

Cost accounting is a process for verifying the cost of manufacturing or producing of any article, on the basis of accounts measuring the use of material, labor or other items of cost. In simple words, the term, cost audit means a systematic and accurate verification of the cost accounts and records, and checking for adherence vĩ đại the cost accounting objectives. According vĩ đại the Institute of Cost and Management Accountants, cost audit is "an examination of cost accounting records and verification of facts vĩ đại ascertain that the cost of the product has been arrived at, in accordance with principles of cost accounting."[citation needed]

In most nations, an audit must adhere vĩ đại generally accepted standards established by governing bodies. These standards assure third parties or external users that they can rely upon the auditor's opinion on the fairness of financial statements or other subjects on which the auditor expresses an opinion. The audit must therefore be precise and accurate, containing no additional misstatements or errors.[citation needed]

Integrated audits[edit]

In the US, audits of publicly traded companies are governed by rules laid down by the Public Company Accounting Oversight Board (PCAOB), which was established by Section 404 of the Sarbanes–Oxley Act of 2002. Such an audit is called an integrated audit, where auditors, in addition vĩ đại an opinion on the financial statements, must also express an opinion on the effectiveness of a company's internal control over financial reporting, in accordance with PCAOB Auditing Standard No. 5.[14]

There are also new types of integrated auditing becoming available that use unified compliance material (see the unified compliance section in Regulatory compliance). Due vĩ đại the increasing number of regulations and need for operational transparency, organizations are adopting risk-based audits that can cover multiple regulations and standards from a single audit sự kiện.[citation needed] This is a very new but necessary approach in some sectors vĩ đại ensure that all the necessary governance requirements can be met without duplicating effort from both audit and audit hosting resources.[citation needed]


The purpose of an assessment is vĩ đại measure something or calculate a value for it. An auditor's objective is vĩ đại determine whether financial statements are presented fairly, in all material respects, and are không tính tiền of material misstatement. Although the process of producing an assessment may involve an audit by an independent professional, its purpose is vĩ đại provide a measurement rather than vãn vĩ đại express an opinion about the fairness of statements or quality of performance.[15]


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Auditors of financial statements & non-financial information (including compliance audit) can be classified into various categories:

  • External auditor/Statutory auditor is an independent firm engaged by the client subject vĩ đại the audit vĩ đại express an opinion on whether the company's financial statements are không tính tiền of material misstatements, whether due vĩ đại fraud or error. For publicly traded companies, external auditors may also be required vĩ đại express an opinion on the effectiveness of internal controls over financial reporting. External auditors may also be engaged vĩ đại perform other agreed-upon procedures, related or unrelated vĩ đại financial statements. Most importantly, external auditors, though engaged and paid by the company being audited, should be regarded as independent and remain third tiệc nhỏ.[citation needed]
  • Cost auditor/Statutory cost auditor is an independent firm engaged by the client subject vĩ đại the cost audit vĩ đại express an opinion on whether the company's cost statements and cost sheet are không tính tiền of material misstatements, whether due vĩ đại fraud or error. For publicly traded companies, external auditors may also be required vĩ đại express an opinion on the effectiveness of internal controls over cost reporting. These are Specialized Persons called Cost Accountants in India & CMA globally either Cost & Management Accountants or Certified Management Accountants.
  • Government Auditors review the finances and practices of federal agencies. These auditors report their finds vĩ đại congress, which uses them vĩ đại create and manage policies and budgets. Government auditors work for the U.S. Government Accountability Office, and most state governments have similar departments vĩ đại audit state and municipal agencies.
  • Secretarial auditor/Statutory secretarial auditor is an independent firm engaged by the client subject vĩ đại the audit of secretarial and applicable laws/compliances of other applicable laws vĩ đại express an opinion on whether the company's secretarial records and compliance of applicable laws are không tính tiền of material misstatements, whether due vĩ đại fraud or error and inviting heavy fines or penalties. For bigger public companies, external secretarial auditors may also be required vĩ đại express an opinion on the effectiveness of internal controls over compliances system management of the company. These are Specialized Persons called Company Secretaries in India who are the members of Institute of Company Secretaries of India and holding Certificate of Practice. (
  • Internal auditors are employed by the organizations they audit. They work for government agencies (federal, state and local); for publicly traded companies; and for non-profit companies across all industries. The internationally recognized standard setting toàn thân for the profession is the Institute of Internal Auditors - IIA ( The IIA has defined internal auditing as follows: "Internal auditing is an independent, objective assurance and consulting activity designed vĩ đại add value and improve an organization's operations. It helps an organization accomplish its objectives by bringing a systematic, disciplined approach vĩ đại evaluate and improve the effectiveness of risk management, control, and governance processes".[16] Thus professional internal auditors provide independent and objective audit and consulting services focused on evaluating whether the board of directors, shareholders, stakeholders, and corporate executives have reasonable assurance that the organization's governance, risk management, and control processes are designed adequately and function effectively. Internal audit professionals (Certified Internal Auditors - CIAs) are governed by the international professional standards and code of conduct of the Institute of Internal Auditors.[17] While internal auditors are not independent of the companies that employ them, independence and objectivity are a cornerstone of the IIA professional standards; and are discussed at length in the standards and the supporting practice guides and practice advisories. Professional internal auditors are mandated by the IIA standards vĩ đại be independent of the business activities they audit. This independence and objectivity are achieved through the organizational placement and reporting lines of the internal audit department. Internal auditors of publicly traded companies in the United States are required vĩ đại report functionally vĩ đại the board of directors directly, or a sub-committee of the board of directors (typically the audit committee), and not vĩ đại management except for administrative purposes. As described often in the professional literature for the practice of internal auditing (such as Internal Auditor, the journal of the IIA) -,[18] or other similar and generally recognized frameworks for management control when evaluating an entity's governance and control practices; and apply COSO's "Enterprise Risk Management-Integrated Framework" or other similar and generally recognized frameworks for entity-wide risk management when evaluating an organization's entity-wide risk management practices. Professional internal auditors also use control self-assessment (CSA) as an effective process for performing their work.
  • Consultant auditors are external personnel contracted by the firm vĩ đại perform an audit following the firm's auditing standards. This differs from the external auditor, who follows their own auditing standards. The level of independence is therefore somewhere between the internal auditor and the external auditor. The consultant auditor may work independently, or as part of the audit team that includes internal auditors. Consultant auditors are used when the firm lacks sufficient expertise vĩ đại audit certain areas, or simply for staff augmentation when staff are not available.

The most commonly used external audit standards are the US GAAS of the American Institute of Certified Public Accountants and the International Standards on Auditing (ISA) developed by the International Auditing and Assurance Standard.

Performance audits[edit]

Performance audit refers vĩ đại an independent examination of a program, function, operation or the management systems and procedures of a governmental or non-profit entity vĩ đại assess whether the entity is achieving economy, efficiency and effectiveness in the employment of available resources. Safety, security, information systems performance, and environmental concerns are increasingly the subject of audits.[19] There are now audit professionals who specialize in security audits and information systems audits. With nonprofit organizations and government agencies, there has been an increasing need for performance audits, examining their success in satisfying mission objectives.

Quality audits[edit]

Quality audits are performed vĩ đại verify conformance vĩ đại standards through review of objective evidence. A system of quality audits may verify the effectiveness of a quality management system. This is part of certifications such as ISO 9001. Quality audits are essential vĩ đại verify the existence of objective evidence showing conformance vĩ đại required processes, vĩ đại assess how successfully processes have been implemented, and vĩ đại judge the effectiveness of achieving any defined target levels. Quality audits are also necessary vĩ đại provide evidence concerning reduction and elimination of problem areas, and they are a hands-on management tool for achieving continual improvement in an organization.

To benefit the organization, quality auditing should not only report non-conformance and corrective actions but also highlight areas of good practice and provide evidence of conformance. In this way, other departments may share information and amend their working practices as a result, also enhancing continual improvement.

Project audit[edit]

A project audit provides an opportunity vĩ đại uncover issues, concerns and challenges encountered during the project lifecycle.[20] Conducted midway through the project, an audit affords the project manager, project sponsor and project team an interim view of what has gone well, as well as what needs vĩ đại be improved vĩ đại successfully complete the project. If done at the close of a project, the audit can be used vĩ đại develop success criteria for future projects by providing a forensic review. This review identifies which elements of the project were successfully managed and which ones presented challenges. As a result, the review will help the organization identify what it needs vĩ đại vì thế vĩ đại avoid repeating the same mistakes on future projects

Projects can undergo 2 types of Project audits:[19]

  • Regular Health Check Audits: The aim of a regular health kiểm tra audit is vĩ đại understand the current state of a project in order vĩ đại increase project success.
  • Regulatory Audits: The aim of a regulatory audit is vĩ đại verify that a project is compliant with regulations and standards. Best practices of NEMEA Compliance Centre describe that, the regulatory audit must be accurate, objective, and independent while providing oversight and assurance vĩ đại the organization.

Other forms of Project audits:

Formal: Applies when the project is in trouble, sponsor agrees that the audit is needed, sensitivities are high, and need vĩ đại be able prove conclusions via sustainable evidence.

Informal: Apply when a new project manager is provided, there is no indication the projects in trouble and there is a need vĩ đại report whether the project is as opposed vĩ đại where its supposed vĩ đại Informal audits can apply the same criteria as formal audit but there is no need for such a in depth report or formal report.[21]

Energy audits[edit]

An energy audit is an inspection, survey and analysis of energy flows for energy conservation in a building, process or system vĩ đại reduce the amount of energy input into the system without negatively affecting the output(s).

Operations audit[edit]

An operations audit is an examination of the operations of the client's business. In this audit, the auditor thoroughly examines the efficiency, effectiveness and economy of the operations with which the management of the entity (client) is achieving its objective. The operational audit goes beyond the internal controls issues since management does not achieve its objectives merely by compliance of satisfactory system of internal controls. Operational audits cover any matters which may be commercially unsound. The objective of operational audit is vĩ đại examine Three E's, namely:[citation needed] Effectiveness – doing the right things with least wastage of resources. Efficiency – performing work in least possible time. Economy – balance between benefits and costs vĩ đại lập cập the operations[citation needed]

A control self-assessment is a commonly used tool for completing an operations audit.[22]

Forensic audits[edit]

Also refer vĩ đại forensic accountancy, forensic accountant or forensic accounting. It refers vĩ đại an investigative audit in which accountants with specialized on both accounting and investigation seek vĩ đại uncover frauds, missing money and negligence.[citation needed]

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See also[edit]


  1. ^ Gupta, Kamal (November 2004). Contemporary Auditing. McGraw Hill. p. 1095. ISBN 0070585849.
  2. ^ "Audit assurance".
  3. ^ PricewaterhouseCoopers. "What is an audit?". PwC. Retrieved 2022-03-03.
  4. ^ Loeb, Stephen E.; Shamoo, Adil E. (1989-09-01). "Data audit: Its place in auditing". Accountability in Research. 1 (1): 23–32. doi:10.1080/08989628908573771. ISSN 0898-9621. PMID 26859053.
  5. ^ Power, Michael. 1999. The phân tích và đo lường Society: Rituals of Verification. Oxford: Oxford University Press.
  6. ^ Assurance, Auditing and. "Chapter 1". ICAI - The Institute of Chartered Accountants of India. Vol. 1. Institute of Chartered Accountants of India. p. 1.
  7. ^ Derek Matthews, History of Auditing (2006-09-27). The changing audit process from the 19th century till date. Routledge-Taylor & Francis Group. p. 6. ISBN 9781134177912.
  8. ^ C. A., Moyer (January 1951). "Early Developments in American Auditing". Accounting Review. 26 (1): 3–8. JSTOR 239850.
  9. ^ Johnson, H. Thomas (1975). "Reviewed work: A History of Accounting Thought, Michael Chatfield". The Business History Review. 49 (2): 256–257. doi:10.2307/3113713. JSTOR 3113713. S2CID 154953655.
  10. ^ Mishra, Birendra K.; Paul Newman, D.; Stinson, Christopher H. (1997). "Environmental regulations and incentives for compliance audits". Journal of Accounting and Public Policy. 16 (2): 187–214. doi:10.1016/S0278-4254(97)00003-3. Retrieved 1 April 2023.
  11. ^ Thottoli, Mohammed Muneerali (2021). "The relevance of compliance audit on companies' compliance with disclosure guidelines of financial statements". Journal of Investment Compliance. Emerald Insight. 22 (2): 137–150. doi:10.1108/JOIC-12-2020-0047. S2CID 236598426. Retrieved 1 April 2023.
  12. ^ McKenna, Francine. "Auditors and phân tích và đo lường Reports: Is The Firm's "John Hancock" Enough?". Forbes. Retrieved 22 July 2011.
  14. ^ "Auditing Standard No. 5". Retrieved 2016-06-28.
  15. ^ Ladda, R.L. Basic Concepts Of Accounting. Solapur: Laxmi Book Publication. p. 58. ISBN 978-1-312-16130-6.
  16. ^ "Pages - Definition of Internal Auditing". 2000-01-01. Retrieved 2013-09-02.
  17. ^ "Pages - International Professional Practices Framework (IPPF)". 2000-01-01. Retrieved 2013-09-02.
  18. ^ "Professional internal auditors, in carrying out their responsibilities, apply COSO's Integrated Framework-Internal Control".
  19. ^ a b Different Types of Audits (June 2013) Auditronix Guidance Note Archived July 18, 2013, at the Wayback Machine
  20. ^ Stanleigh, Micheal (2009). "UNDERTAKING A SUCCESSFUL PROJECT AUDIT" (PDF). PROJECT SMART. Retrieved 18 May 2016.
  21. ^ Clarke, Kevin; Walsh, Kathleen; Flanagan, Jack. "How prevalent are post-completion audits in Australia". Accounting, Accountability & Performance. 18 (2): 51–78.
  22. ^ Gilbert W. Joseph and Terry J. Engle (December 2005). "The Use of Control Self-Assessment by Independent Auditors". The CPA Journal. Retrieved 10 March 2012.

Further reading[edit]

  • Amat, O. (2008). "Earnings management and audit adjustments: An empirical study of IBEX 35 constituents". SSRN 1374232.