NetClient CS & My Tax Portal Login NetClient CS Click this button for NetClient CS online services which include Document Presentation, File Exchange, the online version of Client Bookkeeping Solution, Remote Payroll Data Entry, Remote Payroll Check Printing and other online services available to our business clients My Tax Portal Click this button to access your own personal, password-protected Tax Organizer and complete it any time it's convenient for you.   You may attach files of supporting documents such as Excel spreadsheets rather than having to fax or mail them. Tax Returns can be accessed at this same portal once we have completed them and posted them to the portal.  You will receive an email telling you that they are available.