Legal · last updated 1 July 2026
Impressum
Read this first
Kwartaal provides guidance, estimates, and reminders. It is not tax advice, and Kwartaal does not file returns on your behalf. Figures are computed from published rates for the tax year shown, and Mijn Belastingdienst has the final word.
1. Company
Kwartaal B.V. · KVK 87654321 · Amsterdam, the Netherlands.
2. Contact
hallo@kwartaal.nl — product and support, answered within one working day.
3. Btw-id
Available on request via hallo@kwartaal.nl.