Ask a firm how many support staff it needs and the answer is usually a feeling: we are stretched, or we are fine for now. Feelings are lagging indicators. By the time a team feels stretched, deadlines are already being met by working evenings, quality controls are already being skipped, and the firm has probably already turned away work without recording that it did. Capacity planning turns that feeling into a number you can act on before the damage happens.
The method below takes an afternoon and needs no special software. It works for solo practices and for firms with a dozen attorneys, and it produces three useful outputs: the support capacity your current caseload requires, the point at which your next hire becomes necessary, and the specific tasks that should move off attorney desks first.
Step 1: measure the real time a matter consumes
Pick your three most common matter types. For each one, list the support tasks from first contact to closure and estimate the hours each takes when done properly, not when rushed. Intake and consultation scheduling, document collection and chasing, form preparation, evidence assembly, drafting, cross-checking, filing, status tracking, client updates and closing. If your team tracks time, use actuals. If not, have two experienced people estimate independently and reconcile the differences; disagreements usually reveal an undocumented step.
Multiply the per-matter hours by the number of matters of that type you open each month, then sum across all three. That total is your monthly support workload in hours, and it is almost always higher than the firm expected, because the estimate finally includes the chasing, the reminders and the rework that nobody counts.
Step 2: convert hours into people
A full-time support professional does not deliver forty productive hours a week. Subtract holidays, sick days, training, internal meetings, systems downtime and the ordinary switching cost of working several matters at once. Planning on roughly thirty productive hours per week is realistic; planning on forty guarantees the team runs permanently behind.
- > Monthly support workload in hours, divided by roughly 130 productive hours per person per month, equals the number of full-time support professionals your caseload requires.
- > Compare that figure with your actual headcount. The gap is either being absorbed by attorneys or by skipped quality controls.
- > Repeat the calculation at your projected volume in six months to see the next hire on the calendar rather than in a crisis.
If the calculated requirement exceeds your headcount and nobody is complaining, the difference is being paid for in attorney hours or in quality.
Step 3: find the work sitting on the wrong desk
Have each attorney log their time in fifteen-minute blocks for one week and sort every entry into three buckets: work requiring a licence, work a paralegal could do, and work an assistant could do. The second and third buckets, multiplied by your attorney hourly rate, are the real cost of understaffing, and that number is usually several times the cost of the hire being debated.
| Signal | What it usually means | First move |
|---|---|---|
| Attorneys assembling exhibits after hours | Paralegal capacity gap | Add or outsource case preparation |
| Calls going to voicemail during hearings | Front-desk gap | Dedicated reception coverage |
| Filings prepared but waiting on review | Attorney review bottleneck | Reduce review gates, not staff |
| Document collection taking weeks | Follow-up gap | Assign chasing to one owner with a schedule |
| Turning away matters you can handle | Hard capacity ceiling | Add capacity before more marketing |
| Quality controls skipped under load | Hidden risk | Protect the second-reviewer step first |
Step 4: choose how to add the capacity
Once you know the size of the gap, the options are the usual three, and the right one depends on how stable your volume is. Steady, predictable volume favours hiring. Fluctuating or seasonal volume favours a model you can scale without severance and recruitment cycles. Uncertain volume that you expect to grow favours starting with outsourced capacity and converting to in-house once the pattern holds.
- > Hire in-house when volume is stable, you have the management bandwidth, and the local talent pool can supply the profile you need.
- > Add dedicated remote staff when you want exclusivity and continuity without the employment infrastructure, recruiting cycle and equipment cost.
- > Outsource specific case work when the gap is concentrated in one repeatable matter type rather than spread across the practice.
Whichever route you take, run the numbers against your own figures rather than against a benchmark. Our savings calculator compares fully loaded in-house cost with dedicated remote support, and the comparison page sets out the trade-offs side by side.
Review it quarterly
Capacity is not a one-time calculation. Matter mix changes, a marketing campaign shifts volume, a new matter type turns out to consume twice the support hours of the old ones. Re-run the numbers every quarter, keep the same worksheet, and watch the trend. Firms that do this stop making staffing decisions in emergencies, which is the single biggest cause of expensive, rushed hires that do not last the year.
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