Accountancy (profession) or accounting (methodology) is the dimension, statement or terms of assurance about fiscal information largely used by managers, investors, tax establishement and other decision makers to make resource share decisions within companies, organizations, and public agencies. The terms derive from the use of financial accounts.

Accounting is a examine activity. Its function is to provide quantitative information primarily financial in nature, about economic body, that is intended to be useful in making economic verdict, and in making logical choices among substitute courses of action.

It is also the discipline of measuring, communicating and interpreting financial activity. Accounting is also widely referred to as the "speech of business".

Financial accounting is one branch of accounting and tradiationally has involved procedure by which financial information about a business is recorded, classified, recapitulate, interpreted, and converse; for publi companies, this information is generally publicly-reachable. By contrast management accounting information is used within an organisation and is usually secret and accessible only to a small group, mostly decision-makers. Tax Accounting is the accounting needed to comply with jurisdictional charge regulations.

Practitioners of accountancy are known as accountants. There are many specialized bodies for accountants throughout the world. Many allow their members to use titles indicating their connection or qualification level. Examples are Chartered expert Accountant (ACCA or FCCA), Chartered Accountant (FCA, CA or ACA), Management Accountant (ACMA, FCMA or AICWA), Certified Public Accountant (CPA) and Certified General Accountant (CGA or FCGA).

Auditing is a related but separate discipline, with two sub-disciplines: internal auditing and external auditing. External inspection is the process whereby an independent auditor examines an organisation's financial declaration and accounting records|. Internal auditing aims at providing information for management usage, and is typically carried out by auditors employed by the company, and sometimes by peripheral service providers.