ADIT is a rigorous learning and professional development programme for international tax professionals. Designed by a board of world-leading experts, ADIT is the leading credential that prepares businesses and employees to face the rapidly changing global tax environment.The rigorous qualification and annual certification package is delivered to individuals around the world, improving international tax skills at an individual and business level. It's a truly independent means of demonstrating expertise at a global standard.ADIT has a global network of International Tax Affiliates, students and graduates. They represent over 1,600 firms in more than 120 countries.ADIT is accredited by the Chartered Institute of Taxation (CIOT). The CIOT is a charity in the UK and the leading professional body focussed on all aspects of taxation.