Brink's here : 

Brink's HQ België/Belgique for kbopub.economie.fgov.be

RGB say 21-23 for the housenumber but  website say Spoorwegstraat 20 for HQ and BCE/GBO give 23 for local entity (Brink's Groot-Bijgaarden). 

Not show number on the fence/entrance , but PolFed block my view ;=) 

Office + Transport + counting center

https://brinks.be/fr/contact/