If you need to create a new organisation profile which you will manage and create content on behalf of then follow this guide.
First access your Admin Dashboard.
Then use the Create button and select Create Organisation
On the following screen click continue to be taken to the create organisation screen.
Once you have entered the details for your basic profile, step 2 will ask you to set some "Do" tags - the kinds of activities that people can get involved in with your organisation, and step 2 is where you can set some tags for the outcomes your organisation helps to drive.
After completing this setup you will want to edit your new organisation profile to add its logo and a header image.