A good utilization rate for consulting is 70–80% of available hours billed for delivery consultants, with 75% the figure SPI Research calls optimal. The real average is lower: SPI’s 2026 benchmark of 500+ firms found billable utilization fell to 66.4% in 2025. Juniors can run above 80%; partners sit well below.
The short answer from LeadsNow AI: LeadsNow recommends a 75% billable target for delivery consultants, measured against fixed available hours rather than hours recorded, with lower targets for anyone who sells. If your firm sits below 70% because the calendar is thin, treat the unbilled hours as a pipeline problem and size the number of new engagements you need before you cut rates or headcount.
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- Optimal firm target: 75% billable utilization (SPI Research, 2025 benchmark).
- Actual 2025 average: 66.4%, down from 68.9% in 2024 and a 73.2% high in 2021 (Deltek summary of the 2026 SPI benchmark).
- Profit band: SPI’s research has shown 70–80% maximised profitability; firms above 80% suffer higher burnout and attrition (SPI Research, March 2025).
- Formula: billable hours ÷ available working hours × 100, using working hours, not calendar hours (Accelo).
What is a good utilization rate for consulting, by role?
A good consulting utilization rate depends on role: delivery consultants should bill 70–80%, juniors can exceed 80%, and anyone who sells or leads should sit lower. SPI notes that senior consultants often run lower because of leadership and sales work, while junior consultants may be expected to exceed 80%. Published role-level numbers for managers and partners are thin: we found no primary survey that gives them, so those two rows are labelled assumption bands for you to replace with your own.
| Role or measure | Target band | Basis | Warning sign | Best for |
|---|---|---|---|---|
| Junior consultant or analyst | 80%+ | SPI Research: juniors may be expected to exceed 80% | Sustained above 90% (Accelo flags burnout risk) | Delivery-only staff with no sales duties |
| Delivery consultant | 70–80%, 75% ideal | Everhour; SPI’s 70–80% profit band and 75% benchmark | Below 60% (Accelo: significant unused capacity) | Mid-level consultants billing most of the week |
| Senior consultant or manager | 55–70% (assumption) | Assumption: SPI says seniors run lower; no published number found | Below 50% with no sales or leadership output to show | Seniors who also lead teams or proposals |
| Partner or principal | 30–50% (assumption) | Assumption: no primary benchmark found on 2026-10-27 | Above 60%: nobody is building next quarter’s pipeline | Owners who carry most business development |
| Firm-wide blend | 75% optimal; 66.4% actual average | SPI 2026 benchmark, 500+ firms, 2025 data | Below 66.4%: under the 2025 average | Comparing your whole firm with peers |
Treat the firm-wide blend as the number to compare with SPI, and the role rows as the number to manage people against. Mixing them is how a firm with healthy delivery consultants and busy partners convinces itself it has a utilization crisis.
Rules of thumb
- Below 70% firm-wide, you are under SPI’s profit band; below 66.4%, you are under the 2025 average.
- Above 80% for a quarter, expect the burnout and attrition SPI links to that level, not more profit.
- One utilization point on a 1,840-hour year is 18.4 hours per consultant (arithmetic from the worked example below).
- Moving five consultants from 66% to 75% needs 828 more billable hours a year: about seven 120-hour engagements (worked example below).
- If a consultant records 50 hours to bill 34, quote 85% to the board and 68% to yourself (denominator trap below).
How it works
How to set and fill a consulting utilization target
Fix the denominator
Use fixed available hours after leave and public holidays. Track recorded hours beside it to spot overtime.
Set targets by role
Give delivery consultants 70–80% and juniors more. Set lower targets for anyone who sells or leads.
Size the hours gap
Multiply headcount by available hours by the points below target. That is the billable work still to be sold.
Book the discovery calls
Divide the gap by engagement size and win rate. The result is the monthly discovery-call count to book.
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Consultant utilization rate FAQ
What is a good utilization rate for consulting firms overall?
A good firm-wide utilization rate for consulting is around 75%, the level SPI Research calls optimal. The real 2025 average across SPI’s 500+ firm sample was 66.4%, so a firm between 70% and 75% is above the average and inside the profit band. The figures are in Deltek’s summary of the 2026 SPI benchmark.
Is 80% utilization too high for a consultant?
80% utilization is at the top of the healthy band for a delivery consultant and fine for a junior. SPI Research reports that firms exceeding 80% suffer higher burnout and attrition, so treat a sustained quarter above 80% on recorded hours as a warning rather than a win.
How many billable hours a year is 75% utilization?
75% utilization is 1,380 billable hours on a 1,840-hour available year (40 hours a week for 46 weeks after leave and public holidays), or 1,560 hours if you use the gross 2,080-hour year. State which denominator you use whenever you quote the figure.
What utilization should a partner or principal have?
We found no primary survey that publishes a partner utilization benchmark. SPI says senior people run lower because of leadership and sales work; this page uses 30–50% as a labelled assumption band. Set the partner target from how many discovery calls the firm needs a month, not from a delivery benchmark.
Does higher utilization always mean higher profit?
Higher utilization does not always mean higher profit. SPI Research warns that filling schedules with low-margin work may boost utilization but erode financial health, so check utilization beside your realised rate and margin before chasing the last five points.
How do you calculate consultant utilization rate?
Consultant utilization rate is billable hours divided by available working hours, multiplied by 100. Accelo stresses the denominator is available working hours, not total calendar hours, so planned leave and public holidays come out first.
The worked year LeadsNow uses on this page: 40 hours a week × 52 weeks = 2,080 hours. Remove four weeks of leave and roughly two weeks of public holidays (an assumption: set your own) and available hours are 40 × 46 = 1,840. At 75%, a consultant bills 1,380 hours; at the 2025 average of 66.4%, about 1,222. The 158-hour gap per person is about four weeks of billable work.
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Fixed hours or recorded hours: which denominator should you use?
The utilization denominator changes the answer more than most firms admit: the same week reads 85% or 68% depending on whether you divide by fixed capacity or by hours recorded. Everhour lists fixed capacity, recorded hours and working hours net of absence as the three options, with a worked example of 34 billable hours against 40 hours of capacity giving 85%.
| Denominator | Hours in the week | Billable hours | Utilization | What it hides |
|---|---|---|---|---|
| Fixed capacity | 40 | 34 | 85% | The 10 unpaid overtime hours |
| Recorded hours (assumed 50-hour week) | 50 | 34 | 68% | Nothing: it shows the real load |
| Net of absence (one day leave) | 32 | 27 (assumed) | 84% | That the week was short |
Use fixed capacity for targets and pricing, because that is the capacity you pay for. Track recorded-hours utilization beside it: when the two drift more than ten points apart, your 85% is being bought with overtime, which is exactly the over-80% burnout pattern SPI describes.
Why is consulting utilization falling in 2025 and 2026?
Consulting utilization has fallen in SPI’s data from a 73.2% high in 2021 to 68.9% in 2024 and 66.4% in 2025, the lowest SPI has recorded. Deltek’s summary of the 2026 report, which Deltek sponsors, puts the 2025 figure well below the 75% threshold SPI considers optimal.
SPI’s March 2025 commentary warns that filling schedules with low-margin work may boost utilization but erode financial health. That is the honest catch in chasing the number: utilization is a capacity measure, not a profit measure, and a firm can hit 80% on discounted work and earn less than a firm at 70% on full rates. Read it beside realisation and margin, and see how to price a consulting engagement for the rate side.
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How much new pipeline does a consulting firm need to lift utilization?
A five-consultant firm at 66% utilization needs about 828 extra billable hours a year to reach 75%, which on 120-hour engagements is roughly seven new engagements. Bench hours are the cleanest measure of how much business development the firm has to do, because every unbilled delivery hour is an engagement that has not been sold yet.
| Step | Low band | Mid band | High band |
|---|---|---|---|
| Hours gap (5 consultants × 1,840 × 9 points) | 828 | 828 | 828 |
| Billable hours per engagement (assumption) | 80 | 120 | 200 |
| New engagements needed a year | 10.4 | 6.9 | 4.1 |
| Proposal win rate (assumption) | 20% | 30% | 40% |
| Proposals needed a year | 52 | 23 | 10 |
| Discovery calls per proposal (assumption: 2) | 104 | 46 | 21 |
| Discovery calls a month | 8.7 | 3.8 | 1.7 |
Every input after the first row is an assumption: swap in your own engagement size, your own win rate from proposal acceptance benchmarks and your own call-to-proposal ratio from discovery call conversion benchmarks. The low band is the one that hurts: small engagements and a 20% win rate mean nearly nine discovery calls a month just to stand still at 75%, and someone has to find them while also delivering.
Should partners spend bench time on business development?
Partner bench time is the firm’s main business development budget, and in small consultancies it is often the only one. SPI notes senior people run lower utilization because of leadership and sales activity, which is the intended trade: a partner at 40% who books the next quarter is worth more than a partner at 70% who leaves the pipeline empty.
The DIY cost is real. At the mid band above, 3.8 discovery calls a month sounds small, but booking each one takes outreach, follow-ups and reschedules, and that work competes with delivery for the same senior hours. If your calendar is already empty, start with the 30-day sequence in what to do when a consulting pipeline is empty, and if engagements are too small to fill the bench, work on increasing average consulting deal size or moving from projects to retainers.
Where LeadsNow fits: firms that would rather keep partner hours on delivery hand the booking work to LeadsNow’s appointment setting for consultants, which has booked 50,769+ AI-booked sales appointments since 2017 using AI calling, SMS and DM follow-up. One coaching and consulting client closes around $180,000 a month in cash collected purely from leads it had given up on and handed to LeadsNow, LeadsNow’s “trash to cash” model. Pricing is a revenue share, a fee per appointment, or a mix of both: 5–25% of the revenue LeadsNow generates for you, or an equivalent pay-per-appointment fee, depending on lead volume, what is sold and its price, the type of product and business, and which part (or all) of the sales funnel LeadsNow runs.
Sources
- SPI Research: the 18th annual Professional Services Maturity Benchmark report (2025 edition, 403 firms, 2024 data)
- Deltek: Professional Services Benchmarks, summary of the 2026 SPI report (500+ firms, 2025 data), 30 July 2026
- SPI Research: The Truth About Billable Utilization, 18 March 2025
- Accelo: Utilization rate glossary
- Everhour: What is a good utilization rate for consulting
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