Advanced Institute of Accounts and Taxation . is AN ISO 9001:2015 certified Organization. Company Govt of India Under Company . AIAT which serves the global need of employment with its job oriented e 1999, Today, after 21 years and 1000+ Today, after 21 years and 1000+ Professional accountants have succeeded in their career. AIAT is functioning on the lines of bringing out quality employees in the field of taxation and accounting. It started working towards the training of GST ever since the term coined up in the nation.