SaaS

How to Convert Existing Software Into SaaS

Turning installed software into SaaS is productization plus architecture. Here is Spygar’s conversion playbook.

How to Convert Existing Software Into SaaS
SaaS 12 min read

Converting existing software into SaaS means customers stop installing your app and start subscribing to a shared product. Spygar runs this as SaaS migration services combined with multi-tenant architecture.

SaaS conversion fails when you only “add login”—tenancy, billing, and ops are the product.

Conversion steps

  • Define packages and who the buyer is
  • Design tenancy and identity
  • Add billing and entitlements
  • Map and migrate data in waves
  • Repoint integrations and train admins

Related: single vs multi-tenant and custom SaaS development when domain workflows must be rebuilt.

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