Definition
The Salesforce platform architecture where multiple customer organizations share the same physical infrastructure, application code, and database, while keeping each org's data securely isolated and separately configurable.
Real-World Example
a platform engineer at NovaScale uses Multitenancy to enhance the organization's Salesforce footprint with additional functionality. By leveraging Multitenancy, the team avoids building a custom solution from scratch, saving months of development time while gaining enterprise-grade features out of the box.
Why Multitenancy Matters
Multitenancy is the Salesforce platform architecture where multiple customer organizations share the same physical infrastructure, application code, and database, while keeping each org's data securely isolated and separately configurable. This is fundamentally different from single-tenant architectures where each customer has their own infrastructure and code instance. Multitenancy is what enables Salesforce to deliver its platform efficiently at massive scale, with shared infrastructure costs amortized across millions of customer orgs.
Multitenancy has important implications for how Salesforce works. Resource limits (governor limits, API limits, storage limits) exist precisely because resources are shared, and one customer's heavy usage shouldn't impact others. Customizations are stored as metadata that the shared application code interprets at runtime, rather than being baked into customer-specific code. Security and data isolation are foundational because multiple customers' data lives in the same physical infrastructure. Knowing about multitenancy helps developers and admins understand why Salesforce works the way it does, including why certain patterns (like bulk processing) are encouraged and others (like SELECT * style queries) are constrained.
How Organizations Use Multitenancy
- •Quantum Labs — Trains developers on multitenancy implications so they understand why governor limits exist and how to write code that works in a shared environment.
- •TerraForm Tech — Treats multitenancy as foundational context for any Salesforce architecture decision, understanding the constraints it imposes.
- •CodeBridge — Documents multitenancy concepts in their Salesforce onboarding so new team members understand the platform's architectural foundation.