There are various ways in which you can search the BIG-register. Via this page you can search by name and specialism as well as by BIG number. You can also ask the BIG information line to help you with your search.

Search the BIG-register

Via the BIG information line or by email

You can also search the BIG-register by telephone or email. Our client contact centre staff will help you with your search.

By telephone

BIG information line
0900 - 8998225 (1 cent per minute)
From abroad: +31 70 3406600
During work days from 8.30 am till 5 pm.

Via email

Send your information request to: info@bigregister.nl.