builder-stack
Client Engine
Runs the client side of a build: who they are, what they bought, what is outstanding, and what happens next — without a separate CRM to keep in sync.
Coming soon — 90% complete
Being built now. Join the list and we will tell you the day it opens — nothing else.
The problem
Client detail lives in email, the invoice lives elsewhere, and neither knows about the other.
What you get
Client sites and tenant data stay live through a handover, because continuity is built in rather than promised.
One email when it opens. No newsletter, no sharing.