Date: 16-JUN-2011 IBSN is a tax filing company based in India who files taxes for the Indians based in US and working for Indian company. They are working with few large Indian software companies such as WIRPO and INFOSYS. These guys have tax consultants who ask you several questions and promise to save your money. They also offer guaranteed tax filing for additional $100. They will you that they will pay any fees that incur if any query comes from FEDRAL and STATE govt. They will support you. I paid this additional insurance money... read full review »