Skip to content
Rekenbox — By Winstwaker
All tools
CalculateCreateCheck
PricingHelpGuidesSign in
NLEN

Rekenbox · VAT monitoring

Valid today. Next month too?

Recheck your customers’ and suppliers’ VAT numbers each month. See what changes, alongside the earlier result.You choose the list and can pause at any time
Check one numberCheck a list onceMonitor monthly
1. Add your list

Sign in and add up to 100 VAT numbers. Duplicates count once.

2. Confirm the schedule

€0.06 per completed number per round. An initial check, then monthly. No automatic top-ups.

3. View changes here

Compare validity, name and address with the previous round. No email alerts. Pause at any time.

Your email is your key

Continue with your email

A sign-in link, no password. Continue with your checks after signing in.

Signing in is free. It does not buy credits or start any checks.

VIES is an external source. We record only the returned result; an outage is never shown as an invalid registration. Name or address changes can also occur when the source makes more or fewer details public.

© 2026 Winstwaker · Rekenbox
HelpPrivacyTerms