Professional ethics

Ethical behaviour

Ethical compliance is key to maintaining public confidence in the accountancy profession. All AAT members are bound by AAT’s Code of Professional Ethics (PDF)

Our Code of Professional Ethics is based on the IESBA Code of Ethics for Professional Accountants and sets out the five fundamental principles with which all AAT members must comply. The IESBA Code has been revised, effective 15 June 2019. While the revisions have not led to any changes to the AAT Code of Professional Ethics, there are some useful updates to the conceptual framework which help explain how accountants should apply the Code to ensure compliance with the fundamental principles of professional ethics.

AAT independence provisions relating to review and assurance engagements

Sections 290 and 291 provide specific guidance on independence requirements for licensed members who perform review and assurance engagements.

The full provisions relating to this can be found within the AAT Code of Professional Ethics: independence provisions relating to review and assurance engagements (PDF).

Professional conduct in relation to taxation (PCRT)

Professional members working in tax must comply with the fundamental principles of behaviour outlined in Professional conduct in relation to taxation (PDF). This guidance has been produced by AAT, ACCA, ATT, CIOT, ICAEW, ICAS and STEP, and is effective from 1 March 2019.

Helpsheets (PDFs)

AAT disciplinary processes and tribunals

If a member has breached our Code of Professional Ethics we will take disciplinary action where necessary to ensure that AAT membership retains its high standards.

Read more about our disciplinary processes and tribunals

Ethics enquiries

AAT’s ethical helpline will help if you need to talk about an ethical dilemma at work or within your firm. We can discuss the situation, the options available to you and the safeguards you can put in place to ensure you continue to work in an ethically responsible way.

To discuss any ethical questions you might have, call us on +44 (0)20 7397 3014 or email