Nominal codes
Full nominal ledger preserved one-to-one with VAT defaults and reporting positions.
Sage integration
Export from Sage 50 (XML or CSV) or Sage Business Cloud Accounting (CSV), upload to YionStack, and the AI-assisted Import surface maps every record. Live OAuth against Sage Business Cloud Accounting is on the migration roadmap (LAG-A8).
Quick facts
Live OAuth queued under LAG-A8 in the look-alike-gap pack.
Read the migration guideThe records that come across.
Full nominal ledger preserved one-to-one with VAT defaults and reporting positions.
Both ledgers collapse into the unified contacts table.
Open, paid and credit-noted invoices with line items, line VAT and original references.
Department analysis maps to YionStack tags; project costing maps to projects.
Reconciled bank lines come across as historical context.
Past VAT returns come across as records; new returns file under MTD from YionStack.
Trading name, company number, VAT registration, PAYE reference all populate the business profile.
Honest scope.
One-way copy by default. Run YionStack alongside the old stack and migrate at your own pace.