Contact Us
Last updated: March 2026
Get in Touch
Have a question about your IRS filing, need help with the app, or just want to say hello? We'd love to hear from you.
The fastest way to reach us is by email. We typically respond within 24 hours on business days.
Common Questions
Before reaching out, you might find your answer in these resources:
- IRS Disclaimer — what SmarTax covers and its limitations
- Money-Back Guarantee — our 14-day refund policy
Business Address
SmarTax
Av. Antunes Guimarães 343, 4450-620, Porto, Portugal