The Association of Accounting Technicians (AAT) is the world’s leading professional body for Accounting Technicians, with over 150,000 members worldwide. AAT has 150,000 members according to official records from the Financial Reporting Council (FRC). This includes 2,500 licensed bookkeepers. It also includes over 5,000 AAT Licensed Accountants who provide accountancy, tax and business advisory services to more than 500,000 individuals, sole traders and small and medium sized British businesses. 80% of the FTSE 100 employ an AAT apprentice within their finance function.