B2B software lives or dies by three things: time-to-value for the buyer, security posture for the procurement team, and roadmap velocity for the next renewal. We architect every SaaS engagement around those three loops.
Our default stack is multi-tenant from commit one — proper org/workspace separation, role-based access, audit logs and per-tenant rate limiting. Bolting these on later is the most expensive mistake we see in early-stage SaaS.
We instrument product analytics, billing and customer signals from day one so the founder always knows which feature is closing deals and which is gathering dust.