What is assurance and business risk advisory?

auditing is assurance that the financial record is verifed and found true and fair. For this you should know AAS and relevant laws.

business risk advisory is the analysis of business activity and suggest any changes to make it buasiness activity more efficient. for this you should know how trading cycle is flowing and in which business can be made more secure and efficient, in short you need analytical skill.

assurance services is performed with reference to the engagement letter, and normally includes for example --- compilation of audit financial information. Here you should know accounting type of knowledge