Yesterday I swear I saw listings of Brabantia products on their site! Weird how its no longer there today.
Anyhow I did another search for you and can confirm that their products are available through their channel of approved dealers (most unfortunately).
According to their site -
For business-to-business deals, if you need 5 similar products or more, we are of course willing to see how we can help you. We recommend you to contact your nearest Brabantia sales team:
Brabantia in Belgium - firstname.lastname@example.org
Brabantia in France - email@example.com
Brabantia in Germany - firstname.lastname@example.org
Brabantia in the Netherlands - email@example.com
Brabantia in United Kingdom - firstname.lastname@example.org
All the best!