Glossary
Realization rate
Realization rate is the percentage of the revenue that could theoretically be billed, based on hours worked at standard rates, that is actually invoiced and collected. It is a measure of billing efficiency: how well the agency converts its team's time into actual revenue. A realization rate below 100% means work is being discounted, written off, or not billed at all.
Realization rate formula
To calculate realization rate, divide the actual revenue billed by the potential revenue that could have been billed at full rack rates, and express as a percentage.
Potential revenue is calculated by multiplying all billable hours by the standard rate for each role. Actual revenue is what was invoiced after any write-offs, discounts, or unbilled work.
Realization Rate = (Actual Revenue Billed / Potential Billable Revenue) × 100
Example: if potential billable revenue at standard rates is £100,000 but actual invoiced revenue is £82,000, realization rate is 82%.
The difference between realization and utilization
Utilization rate measures hours billed versus hours available. Realization rate measures revenue collected versus revenue available. An agency can have high utilization but low realization if it consistently discounts invoices, writes off overruns, or has slow payment from clients.
Both metrics are needed for a complete picture. High utilization with low realization means the team is busy but the agency is not capturing the full value of that effort. High realization with low utilization means the agency bills efficiently but does not have enough work.
Improving realization rate
The main levers are reducing write-offs (through better scoping and change order discipline), reducing discounts (through stronger commercial positioning and less reactive discounting), and billing all agreed work without exception.
Realization rate analysis by client, project type, and account manager can reveal patterns: perhaps one account manager consistently offers ad hoc discounts, or a particular service line regularly overruns and absorbs write-offs.
Example
An agency tracks that its team logged 1,200 billable hours in October at an average rate of £120/hour, giving potential revenue of £144,000. After a senior account write-off, two client discounts, and one project overrun absorbed internally, actual invoiced revenue was £118,000. Realization rate is 81.9%.