Helping A Client Improve DSO
Days Sales Outstanding is the single clearest measure of how quickly a client turns sales into cash. Improving it releases working capital without selling a thing more.
In this guide
- Explain what DSO measures and why it matters
- Identify the biggest levers for reducing DSO
- Prioritise actions by impact and effort
- Track improvement so gains are sustained
7 min
What DSO Is Telling You
Days Sales Outstanding measures the average time between making a sale and collecting the cash. A rising DSO means money is increasingly tied up in receivables; a falling one means the client is converting sales to cash faster. It is one of the most actionable numbers on the ledger.
Help clients see DSO as a dial they can turn, not a fixed fact of their industry. Two similar businesses can have very different DSO purely because one invoices promptly and chases consistently while the other does neither. The gap between them is recoverable cash.
Fix Invoicing First
The cheapest DSO win is usually invoicing faster. Every day between delivering work and issuing the invoice is a day added to the collection clock for no benefit. Encourage clients to invoice immediately on completion, or progressively on longer jobs, rather than batching at month-end.
Accuracy matters as much as speed. Invoices with the wrong amount, a missing purchase order or unclear payment details get parked rather than paid. Getting the invoice out quickly and correctly the first time removes a surprising amount of avoidable delay before any chasing even begins.
Tighten Terms And Follow-Up
Beyond invoicing, the two biggest levers are terms and follow-up. Review whether the client's terms genuinely suit their cash cycle, and whether they are applied consistently. Then build a routine: a reminder before the due date, a prompt call after it, and a clear escalation path for anything that slips further.
Consistency does most of the work. A customer who knows a client always follows up on day one tends to pay on time; one who knows reminders are sporadic learns they can stretch the terms. Reliable follow-up trains the whole ledger to pay sooner.
Measure And Pursue The Stragglers
Improving DSO is not a one-off fix; track it monthly so gains hold and slippage is caught early. Watch the ageing report alongside the headline figure, since a few large, slow accounts can drag DSO up even when most customers pay well.
For those persistent stragglers, in-house effort eventually hits its limit. The Merion tools can model how clearing them lifts cashflow, and when a balance simply will not move, the client can refer the debt for professional recovery rather than let it keep inflating their DSO.
Key takeaways
- DSO is an actionable dial, not a fixed industry constant
- Faster, accurate invoicing is usually the cheapest improvement
- Consistent follow-up trains the whole ledger to pay sooner
- Track DSO monthly and escalate the persistent stragglers
Frequently asked questions
What is a good DSO?
It varies by industry and terms, but a DSO close to or below the client's stated payment terms is a healthy sign. The trend over time matters most.
What single change improves DSO fastest?
Usually invoicing immediately and accurately on completion, since it removes delay before the collection process even starts.
How do a few slow accounts affect DSO?
Disproportionately. A small number of large, slow balances can inflate the whole figure, which is why pursuing the stragglers matters.
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