Operations & Treasury / Learning brief
Treasury liquidity: pooling, sweeping, and virtual accounts
Your notes
In simple terms / 01
What this means in plain language
A group with cash scattered across many accounts wants one view and one balance to fund from. Physical pooling moves the money; notional pooling nets balances without moving them; sweeping automates the transfers; virtual accounts split one real account into many references. Here is how each works, and where each fits.
A group of companies holds cash across many accounts, entities, countries, and currencies, so money ends up idle in one place and overdrawn in another. Treasury uses four tools to manage this. Physical cash pooling (also called cash concentration) actually transfers balances into one header account, bringing the cash together but creating intercompany positions that must be tracked and priced. Notional cash pooling combines balances only for calculating interest and available funds, without moving any money, so it avoids intercompany loans but depends on the bank being able to offset the accounts. Cash sweeping is the automated movement of balances to a rule, usually end of day, that keeps a physical pool concentrated or clears overdrafts. A virtual account (often issued as a virtual IBAN, or virtual International Bank Account Number) is a reference that behaves like a separate account for receiving and identifying payments but holds no balance of its own; many virtual accounts sit over one real account, so incoming payments are attributed automatically while the cash stays concentrated. Availability, tax, and accounting treatment depend on the jurisdiction and the bank.
Key takeaways / 03
Three things to remember
- 01
Physical pooling moves money into one account and creates intercompany positions; notional pooling only nets balances for interest without moving money.
- 02
Sweeping automates the transfers that keep a physical pool concentrated or clear overdrafts.
- 03
Virtual accounts and virtual IBANs split one real account into many payment references, holding no balance of their own.
Practical use cases / 04
Where you would use this
A group treasury sweeps surplus subsidiary balances into a header account each evening to fund from one concentrated balance.
A treasurer uses notional pooling to earn or pay interest on a net position without transferring cash between entities.
A business issues a virtual IBAN per customer so incoming payments reconcile automatically into a single real account.
Worked example / 05
Put the idea into a real situation
Illustrative example: (SYNTHETIC / TRAINING ONLY) Demo Trading Ltd runs three subsidiaries at Northstar Bank. One morning one is GBP 400,000.00 in credit and another is GBP 150,000.00 overdrawn, so the group pays overdraft interest while cash sits idle elsewhere. Treasury does not want money moving between subsidiaries, so it chooses notional pooling: the bank offsets the balances to charge interest on the net position while each account keeps its own funds. To attribute incoming customer payments, it also issues a virtual IBAN per customer over one real collection account.
Evidence & review / 07
Evidence & review
Corporate and bank treasury liquidity structures. Availability depends on the bank, the jurisdictions involved, and local tax and regulatory rules.
What this brief simplifies: Tax, accounting, and cross-border legal constraints on pooling are named but not worked through. Balances are illustrative. CLS, cheque, and Confirmation of Payee scheme-specific operational detail was not re-verified against primary operator docs this pass (environment egress limits).
Sources for this brief2
- Market practiceMarch 2003 edition
A glossary of terms used in payments and settlement systems ↗ — CPSS (now CPMI), Bank for International Settlements · Account, settlement, and liquidity terminology
Terminology has evolved since this edition; newer CPMI publications refine some definitions.
- Simplified educational illustration
Payments Signal editorial teaching models — Payments Signal · Fictional group treasury structure; illustrative balances
Used wherever diagrams, scenarios, figures, or example values are didactic constructions rather than sourced facts; every such use carries a simplifications disclosure. All people, companies, banks, and list entries in examples are fictional.