Write to kassacompleet@ing.nl.
For any questions about Kassa Compleet, contact us.
You can reach us on weekdays from 8:00 am to 9:00 pm and on Saturdays from 8:00 am to 5:00 pm at 020 22 888 22.
You can also submit your question by e-mail by e-mailing us at kassacompleet@ing.nl.