Professional services
Law Firm Profit Margin Calculator
Works firm margin, where the convention used changes the answer more than performance does.
Result
Markup is measured against your cost, margin against the price you charge. A 50% markup is a 33.3% margin, not a 50% one. Pricing off the wrong one is the most common way a job that looked profitable turns out not to have been. Gross profit is what is left after the cost of doing the job. Overhead comes out of that: the building, the office wages, the vans, insurance, software and advertising. A healthy gross margin still loses money if overhead is larger.
Get a Free Business AuditHow the calculation works
Profit as a percentage of revenue, with the components shown. The convention problem is acute in law firm reporting: margins quoted with partner compensation below the line are far higher than the same firm's margin with a market wage for partner labour above it, and published benchmarks rarely state which they used.
What moves the number
- Where partner compensation sits.
- Leverage, which raises margin when the work is delegable.
- Realisation and collection.
- Practice area mix, which has very different margins.
Where this one goes wrong
Compare against your own prior periods on a consistent basis rather than against published benchmarks, because the benchmark's convention is usually unstated and the difference between conventions exceeds any plausible performance gap. Within the firm, margin by practice area is the useful cut: areas differ enough that a firm-level figure describes no part of the business accurately, and the weak area is usually the one everybody assumed was fine.
Before you quote
- Fix one convention and hold it across periods.
- Measure margin by practice area.
- Treat published benchmarks cautiously unless the convention is stated.
Questions
About this calculator
Why do law firm margins vary so much in published figures?
Mostly convention. A margin quoted with partner compensation below the line is far higher than the same firm's margin with a market wage for partner labour above it, and the benchmark rarely says which it used. The convention gap exceeds any real performance gap.
What raises law firm margin?
Leverage, where the work is genuinely delegable, since associate time carries a wider margin than partner time. Realisation and collection are the other levers, and both are usually improvable without asking anyone to work more hours.
Which practice areas are most profitable?
It depends on the firm's cost structure and local market enough that general answers mislead. What is reliable is that areas differ substantially within a single firm, and measuring it usually surprises people about which area has been subsidising which.
The formula
margin = (price - cost) / price; markup = (price - cost) / cost
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How to use this calculator
- Price charged ($). Enter your own figure; the page starts at $2,600.
- Direct cost ($). Enter your own figure; the page starts at $1,100.
The result updates as you type, so you can try a figure, see what it does to gross margin, and change it back. Nothing you enter is sent anywhere or saved.
A worked example
These are the figures the calculator opens with. Every number in the results column below is produced by the same calculation the page runs, so you can follow it through before putting your own figures in.
What goes in
| Input | Value |
|---|---|
| Price charged | $2,600 |
| Direct cost | $1,100 |
What comes out
| Result | Value |
|---|---|
| Gross margin main result | 57.7% |
| Gross profit | $1,500 |
| Same thing as a markup | 136% |
That job earns $1,500 of gross profit, a 57.7% margin. The same job described as a markup is 136%.
How sensitive the answer is
Holding everything else steady and changing only price charged, this is what happens to gross margin. It is worth knowing which of your inputs the answer actually hinges on, and which barely move it.
| Price charged ($) | Gross margin |
|---|---|
| $1,300 | 15.4% |
| $1,950 | 43.6% |
| $2,600 example above | 57.7% |
| $3,900 | 71.8% |
| $5,200 | 78.8% |
Every other input is held at the example value while this one changes, which is not how a real job behaves. Treat it as a guide to which number matters most, not as five separate quotes.
What each figure means
- Price charged ($)
- A money amount, starting at $2,600.
- Direct cost ($)
- A money amount, starting at $1,100.
What the results tell you
| Result | What it is |
|---|---|
| Gross margin | The headline result. A percentage. |
| Gross profit | A money figure. |
| Same thing as a markup | A percentage. |
Estimating is the easy part
The jobs you never hear about cost more than the ones you mis-measure. BDEVY builds the marketing, systems and automation that bring them in.