Thank you for prompt reply and helpfulness.You would leave the firm/rep section blank in the consent form in your case
For the online section you use member of public or even Decline to Identify. This is only collected for reporting purposes and doesn't affect the processing of the GCMS file
There is a section on how to order for free at https://help.gcmsnotes.com/how-to-order/for-free , additional info can be added to make it more helpful