Every Laravel SaaS hits the same fork in the road eventually: how do you keep Tenant A from ever seeing Tenant B's data? Get it wrong and you're not looking at a bug report , you're looking at a data breach. Get it right early, and tenancy becomes invisible infrastructure instead of a source of 2am incidents.
This guide walks through the real architectural decision , single database vs. multi-database vs. hybrid , and shows how to implement it with Spatie's laravel-multitenancy package, with copy-pasteable code throughout.
Table of Contents
Your First Decision Is Rarely Your Final One
1. Architectural Patterns






