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← KPI Glossary
Professional Services

Debtor Days

Average number of days to collect payment after invoicing. A critical cash flow health indicator.

What is Debtor Days?

Debtor Days is defined as: Average number of days to collect payment after invoicing. A critical cash flow health indicator.

What data source is used to measure Debtor Days?

Debtor Days is typically measured using data from a Accounting. This system of record provides the transactional and operational data required to calculate and monitor this metric accurately and in real time.

Typical Data SourceAccounting

Which industries track Debtor Days?

Debtor Days is a key performance indicator used across the following sectors:

  • ›Professional Services

How does Firehawk Analytics measure Debtor Days?

Firehawk Analytics connects directly to your Accounting and delivers a live Debtor Days dashboard. Configuration is completed within 48 hours — no data analyst required on your team.

More metrics from Professional Services

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Utilisation Rate

Percentage of available working hours spent on billable client work. The single most important profitability lever for services firms.

Professional Services
PSA / Timesheet SystemView →

Revenue per FTE

Total revenue divided by the number of full-time equivalent employees. Measures workforce productivity at a macro level.

Professional Services
ERP / PayrollView →

Project Margin

Gross profit on a project after deducting direct labour and expenses. Indicates pricing accuracy and delivery efficiency.

Professional Services
Project AccountingView →

Track Debtor Days in your business

In 48 hours, you'll have a live Debtor Days dashboard connected to your Accounting.

Browse all KPI definitions →