Probably. But I'm not inclined to rely on third-party companies for a core business infrastructure. The сompany behind a VPN I portray above most probably uses

Probably. But I'm not inclined to rely on third-party companies for a core business infrastructure. The сompany behind a VPN I portray above most probably uses in-house self-hosted Gitlab/Confluence/etc instances. However, it's absolutely okay to outsource such needs when it's appropriate.