A Net Promoter Score System for Law Firms: Measuring Client Sentiment Mid-Matter
Most law firms only find out how a client really feels once the matter's finished — in a thank-you card, a review, or worse, a formal complaint. By then there's nothing left to fix. 💖 The firms that actually protect their referral pipeline check in while the matter's still open, when a five-minute phone call can turn a quietly frustrated client back around.
What most firms get wrong
The instinct is to survey at the end, because that's when the 'project' feels complete. But a client who's three months into a six-month conveyancing delay, or a family law matter dragging through mediation, doesn't need to wait until settlement to tell you they feel out of the loop. Waiting until the end means you're measuring a relationship you can no longer influence — you're just taking its temperature after it's already cooled.
Send by email or SMS at a natural milestone (after the first conference, after documents are filed, at the halfway point of an estimated timeline):
"Hi [Name], we're partway through your matter and we'd genuinely like to know how it's going from your end. On a scale of 0–10, how likely are you to recommend our firm to someone in a similar situation? Reply with a number and, if you've got a moment, a line on why."
Score 9–10: thank them, ask if they're comfortable with a short testimonial for the file notes (never publish without separate consent).
Score 7–8: ask what would move them to a 10 — usually it's a small, fixable thing like response times.
Score 0–6: this is the one that matters. A principal or senior associate calls within 24 hours, not an admin email.
Three worked examples of how this plays out:
How to actually run it
Keep it to one question plus an optional comment field — anything longer gets ignored. Use whatever you've already got (a form tool, even a plain email reply) rather than buying new software for this. Track scores against matter type and fee earner over time, not just per-client, so you can spot patterns (a particular area, a particular timeline length) rather than individual grumbles.
Mistakes to avoid
- Don't survey immediately after a difficult conversation (a bad-news call, a cost update) — wait a few days so the score reflects the relationship, not one bad moment.
- Don't let a junior staff member handle low scores alone — a 0–6 response needs a partner or senior lawyer on the phone.
- Don't publish any comment as a testimonial without separate, explicit consent — an NPS reply is not a review.
- Don't run it so often clients feel surveyed to death — once per matter milestone is plenty.
Frequently asked questions
Isn't this just a glorified satisfaction survey?
Essentially, yes — NPS is simple on purpose. The value isn't the methodology, it's the timing: asking while the matter is still open, when you can actually do something about the answer.
What response rate should we expect?
Realistically 15–30% for a one-question SMS or email. That's enough to spot problems; you don't need majority participation for it to be useful.
Will clients find it intrusive during a sensitive matter?
Some will, which is why timing and tone matter — keep it brief, optional, and clearly separate from billing or case correspondence. For highly sensitive matters (bereavement, serious injury), a soft verbal check-in from the lawyer may be more appropriate than a form.
Does a low score mean we're at risk of a complaint?
Not necessarily, but it's a strong early warning sign worth treating seriously. A low score paired with no action is far more likely to turn into a complaint than one that gets a same-week phone call.
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