Multi-Tenant SaaS with Laravel: Database Strategies Compared
Single database with tenant_id vs separate schemas — choosing the right isolation model for school, church and B2B SaaS.
Mehran Shafique · June 21, 2026 · 1 min read · 110 words
Multi-tenancy is an architecture decision with decade-long consequences. RelaxGen operates school and church SaaS where each institution expects data isolation, custom branding and independent billing.
Shared database, tenant column
Most cost-effective. Every query scopes by tenant_id. Use global scopes and middleware to enforce. Risk: developer forgets scope once and leaks data — mitigate with policies, static analysis and automated tests.
Schema per tenant
Stronger isolation, harder migrations. Suitable for regulated healthcare subsets. Operational overhead scales with tenant count.
Database per tenant
Maximum isolation, maximum ops burden. Reserved for enterprise contracts with compliance mandates.
We default to shared-database with strict scopes for 95% of SMB SaaS. See our school management case studies.
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