Forking from GitHub to GitLab ​

Best Way ​

1. Create a new project on GitLab and select Import project
2. Select Import from URL and paste the GitHub URL of the project
3. Create a new branch such as main-<company>
4. Set this branch as the default protected branch of the repository

Track Changes Only ​

1. Create and empty repository in GitLab and clone it to your machine.

... finish this off: Ref: https://stackoverflow.com/questions/50973048/forking-git-repository-from-github-to-gitlab