What's a good utilization rate for an agency?
Most agencies measure utilization against a denominator that flatters everyone equally, then wonder why the number never explains anything.
Billable utilization for agency delivery staff commonly sits between 60% and 75%. Pushing much above that tends to trade against quality, training and new business rather than producing more profit. The figure is only meaningful if measured against realistically available hours — after holiday, sick leave, training and internal time — rather than a notional 2,080-hour year, which inflates the denominator and makes every team look under-utilised.
How to calculate it
Billable hours divided by available hours. The argument is entirely about the denominator.
| Denominator used | Annual hours | What it produces |
|---|---|---|
| Notional full year (52 × 40) | 2,080 | Understated utilization, no one ever hits target |
| Less holiday and public holidays | ~1,880 | Closer, still optimistic |
| Realistically available | 1,600 – 1,750 | A number you can manage against |
Realistically available means after holiday, public holidays, expected sick leave, training, and the standing internal commitments every person carries — all-hands, one-to-ones, recruitment, internal projects. Those hours are not available for client work and pretending otherwise does not create capacity.
Measured against 2,080, a genuinely well-utilised person looks like they are at 55% and management concludes there is slack. Measured against 1,700, the same person is at 68% and the conversation is about whether that is sustainable.
Different roles, different targets
A single agency-wide target is a blunt instrument. The useful version varies by role.
| Role | Typical billable target | Why |
|---|---|---|
| Junior delivery / production | 70 – 80% | Least non-billable obligation |
| Mid-level specialist | 65 – 75% | Some internal and mentoring load |
| Senior / lead | 50 – 65% | Carries pitching, QA and account strategy |
| Creative or account director | 40 – 55% | New business and management dominate |
| Agency owner / principal | 10 – 30% | Should mostly not be delivering |
If your senior people are at 80% billable, that is not efficiency. It is an agency with no capacity to win work, train anyone or fix its own process — and it usually shows up as a growth problem twelve months later.
Utilization is not the same as profitability
This is the most common misreading of the metric. A team can be extremely busy and still produce poor economics.
Utilization measures how much of available time went to client work. It says nothing about whether that work was priced correctly, whether the hours were efficient, or whether the client was paying enough to cover them. An account can absorb enormous billable hours and still lose money — in fact that is precisely how the typical underwater account behaves.
| Signal | What it usually means |
|---|---|
| High utilization, healthy margin | Working well — protect it |
| High utilization, poor margin | Underpriced work or scope creep |
| Low utilization, healthy margin | Priced well but under-sold; capacity available |
| Low utilization, poor margin | Overheaded, or a demand problem |
The pairing matters more than either number alone. Margin per client is the other half, and neither is trustworthy without honest hours behind it.
Realization: the number nobody tracks
Utilization asks how much time went to clients. Realization asks how much of that time you actually got paid for.
If a person logs 1,200 billable hours but the agency only recovered 950 of them through fees — the rest written off, absorbed in a fixed retainer, or spent on unscoped revisions — realization is 79%. That gap is invisible in a utilization report and it is frequently where an agency's margin has gone.
For retainer-based agencies the equivalent question is whether the hours delivered against a fixed fee exceed what the fee assumed. Same problem, different framing: work performed that no revenue was attached to.
This is also why time data quality matters more than the utilization target itself. If non-billable work is unclassified or hours are reconstructed on Friday, both numbers are decorative.
Common questions
What is a good utilization rate for an agency?−
Between 60% and 75% for delivery staff is the commonly cited healthy range. Senior people should be lower — 50–65% for leads and 40–55% for directors — because they carry pitching, quality assurance and management. A single agency-wide target tends to be misleading.
How do you calculate utilization rate?+
Billable hours divided by available hours. Available hours should be realistically available — after holiday, public holidays, expected sick leave, training and standing internal commitments — which for most agencies lands near 1,600 to 1,750 a year rather than the notional 2,080.
Is 100% utilization good?+
No. It means nobody has time to pitch, train, improve process or absorb an emergency, and quality degrades under sustained load. Consistently high utilization among senior staff is a leading indicator of a growth problem, because nobody is doing the work that generates future work.
What's the difference between utilization and realization?+
Utilization measures how much available time went to client work. Realization measures how much of that time was actually paid for. Hours written off, absorbed into a fixed retainer, or spent on unscoped revisions count as utilised but not realised, and that gap is often where margin disappears.
Does high utilization mean high profit?+
Not necessarily. A team can be fully utilised on underpriced work and lose money. High utilization paired with weak margin usually indicates underpricing or scope creep, and it is a more urgent problem than low utilization with healthy margin.
Utilization is half the picture
Margin per client is the other half. Neither works without honest hours.
Get a free books reviewGeneral information for agency owners and operators, not accounting, tax or legal advice. Figures shown are illustrative unless stated otherwise.