BFS risk & collection GmbH (now infoscore Forderungsmanagement GmbH) (other common search terms, but not the correct company name are: BFS debt collection or debt collection BFS) is part of the collection department of Arvato Financial Solutions (arvato infoscore until 2014 ) and is based in Verl. (see also: BFS risk collection)
The online service of inkassoportal.de also applies to BFS risk & collection GmbH, which has since merged with infoscore Forderungsmanagement GmbH. Here it may be that historical letters are still in circulation. Receivables are taken over by the legal successor, infoscore Forderungsmanagement GmbH, and are still valid.