Contact Hasebio

Our contact email is contact@hasebio.com.

When reporting a calculator issue, please tell us which calculator you used and describe the problem clearly.

If you believe a Saudi rule, rate or calculation has changed, please send us the name of the calculator and the official source if available.

We review rule-based tools before changing published calculations.

You may use the same email address for privacy-related questions or requests concerning personal data.

Please do not email passwords, bank card details, national identification numbers, medical records or other highly sensitive personal information.

We aim to review legitimate enquiries as soon as reasonably possible. Hasebio does not provide emergency, legal, government or payroll support.