W.I.D. Westerink Industriële Dienstverlening When your company offers products or services that are interesting for the members of the Webshop Keurmerk you can become a Business Partner. As Business Partner you will receive a own reference to your site and a own companypage. All Business Partners are allowed to place the Webshop Keurmerklogo on their site.The costs for the mentioning as Business Partner are € 795,= per Business Partner per year (excl. 19% Taxes).To become Business partner you're requested to fill in the applicationform .