Become a professional AAT Bookkeeper and fast track your bookkeeping career! With the AAT Qualified Bookkeepers Pathway you will learn how to balance the books and prepare VAT returns and business accounts, and gain AAT membership to launch your own bookkeeping business. The Association of Accounting Technicians (AAT) is the world’s leading professional body for accounting technicians, with over 140,000 members. Your membership gives your clients the confidence that you meet AAT’s renowned international standards.