I was just introduced to the concept of building credit for your business without a social security number but rather with a Duns and Bradstreet paydex number. There are companies such as uline that will allow a net30 line of credit for a new business (with EIN, D-U-N-S number etc.), and in turn report your payment to D&B which can help build a business only credit score within a few months. I can’t seem to find any discussion about this on the forums and wanted to hear about people’s experiences using this method.