Contact Us

Have a question, found an error, or want to suggest a new feature? We would love to hear from you.

Send us a Message

Fill out the form below and we will get back to you as soon as possible.

Common Reasons to Get in Touch

  • 1Report an error — Found an incorrect tax rate or calculation? Let us know and we will fix it promptly.
  • 2Suggest a country — Want us to add a calculator for a country we do not yet support? Tell us which one.
  • 3Feature request — Have an idea for a new tool or improvement? We are always looking for ways to make Tax121 better.
  • 4General question — Anything else? We are happy to help.

Response Time

We typically respond within 1-2 business days. For urgent calculation errors, please mention “urgent” in your subject line and we will prioritize your message.