Working capital management (WCM) is the discipline of managing the operating cycle — receivables, payables, and inventory — so the group converts sales into cash faster, pays later on fair terms, and holds less stock than the business needs for service levels. Treasury cares because every day of cash conversion cycle (CCC) improvement is cash that liquidity management can concentrate, invest, or use to cut external debt.
WCM is not the same as liquidity management. Liquidity is the cash stack (visibility, forecast, pooling, funding, contingency). WCM is upstream: it changes how much cash the operating businesses trap or release. See is working capital the same as liquidity management?.
What treasury actually owns
Treasury rarely “owns” customer collections or plant inventory end-to-end. What treasury usually owns or co-owns:
| Lever | Treasury role | Business / SSC role |
|---|---|---|
| DSO / collections | Metrics, dispute escalation, customer payment terms policy, [[virtual-accounts | virtual accounts]] / [[robo |
| DPO / payables | Payment-run calendar, early-pay discount policy, [[payment-factory | payment factory]] release windows |
| Inventory / DIO | Cash impact framing, scenario funding | Operations, demand planning |
| Supply-chain finance / reverse factoring | Bank and balance-sheet design, disclosure | Supplier onboarding with procurement |
| Intercompany | Netting calendars and IC terms that stop fake DSO/DPO ([[intercompany-netting | intercompany netting]]) |
If a WCM programme has no owner for cash impact, it becomes a KPI deck. Pair every target with a funding or buffer decision under liquidity management.
Cash conversion cycle (without the textbook fog)
CCC ≈ DSO + DIO − DPO (in days). Directionally:
- Lower DSO → cash in sooner
- Lower DIO → less cash stuck in stock
- Higher DPO → cash out later (until suppliers or discounts make that expensive)
Treat CCC as a diagnostic, not a single global target. A high-margin spare-parts business and a low-margin distributor should not share one CCC KPI. Segment by business unit and corridor, then translate days into currency cash for the forecast (cash forecasting).
Where WCM meets the liquidity stack
- Forecasting — AR aging, payment runs, and inventory builds are the real drivers of a 13-week view (cash forecasting, direct vs indirect)
- Concentration — freed cash only helps if it can move; trapped corridors still need cross-border cash pooling design and country filters such as China
- Payments — stretching DPO without a controlled payment factory calendar creates accidental early pays and fraud noise
- Collections infrastructure — virtual accounts and ROBO cut unallocated cash that inflates apparent DSO
- Account footprint — idle collection accounts and weak mandates hide working-capital cash (bank account management)
- IHB / pooling — internal interest and sweeps must not mask a broken operating cycle; fix AR/AP drivers before celebrating pool balances (cash pooling, in-house bank)
Levers that usually move cash
- Order-to-cash hygiene — invoice accuracy, dispute SLAs, credit holds that actually stick
- Terms discipline — standard customer and supplier terms with exception logs (not spreadsheet heroics)
- Payment-run design — few controlled runs via the factory; stop ad-hoc early releases
- Unallocated cash — VA / remittance matching so “cash in bank” posts to the right invoice
- IC netting before external pay — shrink gross flows that look like working capital but are internal (intercompany netting)
- SCF where disclosure and supplier economics work — extend DPO without breaking supply; document balance-sheet treatment
- Inventory cash view — treasury scenarios for builds and write-down seasons so buffers are honest
Skip vanity “global DSO −5 days” programmes that ignore mix, FX, and markets where cash cannot repatriate on the forecast date.
Minimum design package
- CCC (or driver) dashboard by material business unit, with cash translation
- Named owners for DSO, DPO, and inventory cash impact
- Link from WCM targets into the short-term forecast and variance loop (cash forecasting)
- Payment and collections operating model (payment factory, virtual accounts)
- Corridor overlay for trapped cash (cross-border cash pooling, country notes)
- Explicit boundary with liquidity management so WCM does not duplicate pooling or IHB projects
WCM earns its keep when a collections, terms, or inventory decision changes usable group cash — not when the CCC chart turns green while the pool header is still empty.