Three systems, three revenue figures
Customer, product and finance identifiers were never designed to match, so meetings begin by arguing about whose number is right instead of deciding anything.

Single source of truth
The same number usually exists in three or four systems and nobody owns which one is right. We extract from each source, resolve the customer and product keys that stop the records joining, define every measure once, and reconcile the result against the figures your board already signs off. Where a business has no joined data at all, this is normally the entire first engagement.
Discuss this buildWhen this comes up
Customer, product and finance identifiers were never designed to match, so meetings begin by arguing about whose number is right instead of deciding anything.
The joins, the exceptions and the workarounds live in a single head. None of it is written down, and none of it survives that person taking annual leave.
Extracts get pulled, pasted and adjusted each month. A number costs days to produce and there is no record of how it was reached.
The work
Scope varies with the state of your systems. These are the parts that recur.
We find every system holding a record that matters, establish what can actually be extracted from each, and sit with the people who use them.
We fix the customer, product, site and period keys that stop records joining, then write the rules down so they are not rediscovered later.
Extract, transform and load into one store, with each measure defined once and reconciled against numbers your team already accepts.
Definitions, documentation and a runbook, written for whoever inherits this rather than for us.
What you leave with
You own all of it: the code, the written definitions and documentation aimed at whoever maintains this after us.
How this runs
We establish which commercial question is worth answering here, and what your data, systems and people can realistically support.
We build it, rather than specifying it for somebody else to build. Reconciled continuously against numbers your team already accepts.
Documentation, definitions and a runbook, plus a walkthrough where your team drives and we watch.
Ongoing technical support is quoted separately from the build, so declining it costs you nothing.
Worth asking