It is also the domain, billing accounts, GitHub org, npm packages, analytics, email, payment provider, social accounts, recovery codes, and the person who can actually transfer them.
Build like someone else may need to operate it one day.
A practical book for SaaS founders who want infrastructure that is easier to operate, audit, and hand over. It covers account ownership, domains, GitHub organizations, npm packages, billing, recovery access, documentation, and service transfer. Instead of focusing on app code, it helps you reduce founder dependency and prepare the business around your SaaS for a cleaner future handover.