@MarekBartik @ProchazkaFilip @Netlify That should be fine, but might require a chat with the sales team to make arrangements. (sales@netlify.com)
For repos not externally accessible you might prefer to use the Netlify CLI which recently got some v2.0 love:
https://www.netlify.com/blog/2018/09/10/netlify-cli-2.0-now-in-beta-/