In the job qualification, there is option of Agencies and freelancers. If client needs to work with agency, He/she will opt option of Agencies and you can see sign of cross or no if you are a freelancer. If you fulfill all the skills on the job you are going to apply, you will find sign of yes or tick.
If there is no sign of even a freelancer or Agencies then both parties will be applicable. You can submit your application.