You can create a new organization by either setting up a new organization or converting an existing personal account into an organization.

About organizations

Organizations are great for businesses and large open-source projects that need multiple owners and administrators, grouped together with teams that determine affinity and repository permissions.

Creating a new organization from scratch

Create an organization to apply fine-grained access permissions to repositories.

Converting a user into an organization

You can convert your user account into an organization. This allows more granular permissions for repositories that belong to the organization.