You can switch between signing on behalf of a company or signing as yourself from within your user profile. Note, if you switch, it has to be done before you are added to the team that will be associated with the agreement.
In your user profile, check or uncheck the box marked "I will sign on behalf of a company." If you are signing on behalf of a company check this box and fill in your company name and your title.
As you complete your agreement, collaborators that are signing on behalf of a company will be displayed like this:
When establishing splits -
When confirming splits -
On the signature page -