Login
Sprintax Returns
File your US nonresident tax return
(Forms 1040-NR, 1040-X, 8843, FICA tax refund)
Calculus Admin
Admin login for US tax determination and compliance software
Calculus Individual (Forms)
Individual login for US pre-employment tax form preparation
Dividends
Reclaim overpaid dividend withholding tax (DWT) on cross-border investments
Au Pair
Calculate your Au Pair federal tax withholding and plan your IRS payment schedule