Utilisation Is a Divisor, Not a Virtue
Chargeable share is an input to a rate. What happens when it becomes a target instead, and what it is actually measuring.
Utilisation — the share of hours that reach a job — is an input to a rate. It is not a measure of effort, it is not comparable between unlike teams, and the moment it becomes a target it stops measuring anything.
The practical lesson in “Utilisation Is a Divisor, Not a Virtue” is that a convenient number should begin a review rather than end one. A team assessing Monitask guide to recording freelancer billable hours for recording freelancer billable hours can add timely time and project context, with transparent settings, proportionate access and a documented correction process around every material use.
The mechanism is simple: the share can be raised by recording differently, and recording differently is much easier than working differently.
The assumptions behind “Utilisation Is a Divisor, Not a Virtue” can also be checked against Acas working-hours guidance. Record which guidance applies to the real workflow and which points require professional advice.
What it actually measures
How the week is divided between work that attaches to a job and work that does not. That division is mostly structural: it is decided by how much supervision, quoting, compliance and administration the operation requires.
- How much supervision the work requires.
- How much quoting precedes it.
- How much compliance sits around it.
- How much administration it generates.
- And almost nothing about how hard anybody is working.
It is a property of the operating model far more than of the people in it.
Why teams differ legitimately
A team with heavy compliance obligations, or one that quotes for everything it does, will never reach the share of a team with neither.
Comparing them produces a league table of obligations and is usually read as a league table of effort.
What happens when it becomes a target
Within two periods the target is met. Hours that were recorded as supervision become hours recorded against the nearest job. Nothing about the work has changed and the costing has become fiction.
This is not cheating; it is what any measure does when it is used to judge the people producing it.
The second-order damage
The non-chargeable categories are where the diagnostic information lives. Once they are being minimised, the operation loses its ability to see that quoting has doubled or that rework is rising.
The target destroys the instrument that would have explained the number.
What to do instead
Report the share without a target, split by category, and treat movements as questions rather than as performance.
"Quoting hours rose from 6% to 11% this quarter" is a finding with an owner. "Utilisation fell to 68%, below target" is an accusation with nobody to answer it.
Raising it legitimately
By removing non-chargeable work, not by relabelling it: automating an administrative step, shortening a quoting process, reducing rework, pushing a compliance task to a cheaper resource.
Each of those is a project with a visible before and after, and each shows up in the category split.
The ceiling
There is one, and it is well below a hundred per cent. Supervision, training, absence cover and administration do not go away.
In most professional operations the ceiling is somewhere between seventy-five and eighty-five per cent of attended hours, and an operation reporting above that is usually reporting rather than achieving.
Why a very high figure is a warning
Because it means the non-chargeable work is being recorded somewhere it does not belong, which means some job is carrying hours it did not consume.
A sustained ninety per cent is a data problem until proved otherwise.
Utilisation and the rate, together
Where utilisation falls, the rate must rise to recover the same cost, or the cost is under-recovered. That relationship is arithmetic and it is the honest way to present a fall.
"Chargeable hours fell by 6%; the rate must rise by 6% or we recover £X less" is a sentence that produces a decision.
Reporting it without a target
The share, the category split, the trend, and the rate implication of any movement. Four things, one small table, no target line.
Comparing a team with itself
The only comparison that holds. This team, this quarter, against the same team last quarter, with the category split beside it.
Between-team comparison is defensible only where the operating models are genuinely alike, which is rarer than organisation charts suggest. Where it is done anyway, the resulting league table measures how much non-chargeable work each team has been given.
The figure that should be reported beside it
Hours, not percentages. "Chargeable hours fell from 1,312 to 1,194" is a fact about capacity; "utilisation fell from 74% to 68%" is a fact about a ratio whose denominator may also have moved.
Both numbers moving at once is common — a quiet quarter with high absence — and the percentage alone cannot distinguish the two.
What a very low figure means
Not that people are idle. Usually that the operation requires an unusual amount of non-chargeable work: heavy compliance, a long quoting cycle, or a large internal change programme consuming experienced people.
Each of those is a management decision taken elsewhere, and the chargeable share is where it shows up. Reading it as a fact about the team is reading the symptom as the cause.
The conversation it enables
Not about whether people are working hard enough, which nobody can answer from this data, but about what the operation requires of them before they can touch a job — which is a question management can actually act on.