The Professional Diploma in Accounting -Level 4 further develops advanced financial and administration accounting skills and introduces specialised topics such as auditing and taxation. It is appropriate for those who have finished the Level 3 AAT qualification. <br> <br>The AAT Professional Diploma in Accounting - Level 4 shapes on what you have learned in Level 2 and 3, and will set you on a path to become a Chartered Accountant, and can provide you MAAT status, permitting you to use the MAAT designatory letters after your name.