Practical thinking on historical accounting data migration.
Guidance based on the questions, decisions and data problems that appear in real finance-system migrations. No generic ERP trend pieces. Just the parts of historical migration that actually need thinking about.
What should move? What should change? What needs to reconcile?
Our insights focus on historical financial data, future-state reporting structures and the accounting evidence needed at handover.
Opening balances vs full historical migration
One of the first decisions in any finance-system change is how much accounting history should actually move.
Opening Balances vs Full Historical Accounting Data Migration
Both approaches can be valid. The right answer depends on reporting requirements, auditability, operational history, implementation constraints and how much value the business still gets from the old ledger.
Read the guideThe authority cluster we will build gradually.
We will add articles when there is something useful to say, not to hit a publishing quota.
Should you restructure your Chart of Accounts during an ERP migration?
When historical restructuring helps, and why mapping decisions need a documented bridge back to the source.
How much historical accounting data should you migrate?
How reporting, auditability, operational needs and data quality influence the number of years worth moving.
What do we need to scope a historical migration?
A practical checklist covering source, destination, entities, volumes, currencies, dimensions and future-state design.
View migration requirements →