Which of the following best describes assurance services?

a) Independent professional services that report on the client's financial statements

b) Independent professional services that report on specific written management assertions

c) Independent professional services that improve the quality of information for decision makers

d) Independent professional services that improve the operations of the client

Answer: Option B

Explanation: Assurance service is an autonomous professional service, generally provided by Chartered or Certified Public Accountants or Chartered Certified Accountants, with the purpose of improving details or information context to enable judgement call-makers to make more knowledgeable judgments.

Auditing by independent third party is the prime example of assurance services. Hence from the above we can conclude that the correct option is B.