04Data domain design
Banking domains define the modernization boundary
The domain model determines how data is owned, integrated and reused. The exact boundary depends on the bank, but a modernization programme commonly needs explicit relationships across party, account, transaction, credit, risk, finance and reporting data rather than treating each migration feed independently.
Party & CustomerIdentity, KYC, relationships, segments, consent
Account & ProductAccounts, products, terms, balances, limits, status
Transaction & PaymentPostings, payments, cards, settlement, channels
Credit & ExposureApplications, facilities, limits, collateral, repayments
Governed Banking Data Foundation
Shared definitions, identifiers, metadata, lineage, quality rules, controls and access policies connect domains to reusable data products.
Critical DataReference DataHistoryData ContractsEvidence
RiskCredit, market, liquidity, operational and model-related data
Finance & LedgerGL, balances, reconciliations, profitability and close
Financial CrimeAlerts, cases, counterparties, watchlists and signals
Regulatory & SupervisoryReporting datasets, transformations, attestations and submissions