There are three common ways to find out what customers really think of your business, a one-star review, a public complaint on Instagram, or a loyal customer who simply stops buying and never tells you why.
All three arrive too late.
A customer feedback survey gets there first, privately, and in a form you can act on. Done well, surveys catch problems while they’re small, show you what customers value most, and point to the happy customers most likely to leave reviews and refer others. Done badly, they’re long, generic, ignored, and produce numbers nobody uses.
Seven Rules for Surveys People Finish
- Keep it short. Every extra question lowers the share of people who finish. Most surveys should take under two minutes.
- Ask at the right moment, while the experience is fresh.
- Ask one thing per question. “Was our service fast and friendly?” is two questions, and the answer can’t tell you which one failed.
- Don’t lead the answer. “How much did you enjoy our excellent service?” produces meaningless results.
- Always include one open question. Scores tell you there’s a problem, and comments tell you what it is.
- Only ask what you’ll act on. If you won’t change anything based on an answer, don’t ask the question.
- Close the loop. Tell customers what you changed. It’s the single best way to get them to answer next time.
The Three Standard Scores
| Measure | The question | Best for |
|---|---|---|
| Net Promoter Score (NPS) | “How likely are you to recommend us to a friend or colleague?” (0 to 10) | Overall loyalty and likelihood of referrals |
| Customer Satisfaction (CSAT) | “How satisfied were you with [specific experience]?” (1 to 5) | A specific interaction, like a delivery, a service visit or a support conversation |
| Customer Effort Score (CES) | “How easy was it to [get what you needed]?” (1 to 5 or 1 to 7) | Processes like ordering, booking, payment and getting help |
Calculating NPS
Group the answers to the 0 to 10 question.
- Promoters score 9 or 10
- Passives score 7 or 8
- Detractors score 0 to 6
NPS is the percentage of promoters minus the percentage of detractors, so it runs from −100 to +100. If 50 of 100 respondents are promoters and 20 are detractors, your NPS is 50 minus 20, which is 30.
Calculating CSAT
CSAT is usually reported as the percentage of people who picked the top two answers, 4 or 5 on a five-point scale. If 80 of 100 people choose 4 or 5, your CSAT is 80%.
Read them as trends
These scores are most useful tracked over time inside your own business. Comparing them with other companies tells you very little, because scores vary by industry, country, culture and how the survey was sent. What matters is whether your score is rising or falling, and why.
Five Templates
1. After a purchase or service (CSAT)
Send it shortly after delivery or completion.
1. How satisfied were you with [your order / your appointment / our service]? (1 = Very dissatisfied, 5 = Very satisfied)
2. What’s one thing we could have done better?
3. May we contact you about your answers? (Yes / No)
2. The relationship survey (NPS)
Send it to regular customers every six to twelve months.
1. How likely are you to recommend [Business] to a friend or colleague? (0 to 10)
2. What’s the main reason for your score?
3. What’s one thing we could do to improve?
3. How easy was it? (CES)
Send it after ordering, booking or getting support.
1. How easy was it to [place your order / book / get your issue resolved]? (1 = Very difficult, 5 = Very easy)
2. Was anything confusing or frustrating? If so, what?
4. Lost customers and non-buyers
Send it to customers who stopped buying, or to enquiries that didn’t convert. Keep it very short, because you’re asking a favour of someone who chose not to continue.
1. What was the main reason you [didn’t go ahead / stopped using us]? (Price / Found another option / No longer needed it / Experience with us / Other)
2. Is there anything we could have done differently?
For deeper answers, a short phone call beats a survey every time. The customer interview script shows how.
5. New customer onboarding
Send it in the first weeks of a longer relationship.
1. How confident are you that [product / service] will meet your needs? (1 to 5)
2. Is anything unclear so far?
3. What made you choose us?
That last question is marketing gold. Customers’ own words for why they chose you are some of the most persuasive language you’ll ever put in an ad or on your website.
Sending Them
Email gives you room for a link to a longer survey and is easy to track, though open rates are lower for some audiences. WhatsApp is familiar, immediate and highly visible, but keep it to one or two questions, and only message customers in an appropriate context or who’ve agreed. SMS reaches people without data or email, for one question only and at a cost per message. And in person or by phone gives you the richest answers and builds relationships, though it takes time and people are more polite face to face.
Free tools like Google Forms, or the survey features in your email platform, are enough for most businesses. Keep links short and mobile-friendly, because most customers will open them on a phone.
Send transactional surveys (CSAT and CES) within hours, or a day at most, of the experience. Send relationship surveys (NPS) on a regular schedule, never after every purchase, and set a limit so no customer gets surveyed more than every few months, whatever they buy. To get more responses, say how long it takes (“two quick questions”), send it from a real person rather than a no-reply address, and explain what you’ll do with the answers. If you offer a thank-you, keep it modest, and offer it for any honest response, never only for positive ones.
Acting on the Results
The Queen in Snow White kept asking her mirror because she wanted the flattering answer. A survey is only worth sending if you want the other kind, and if you’ll act on it, because a survey nobody acts on wastes the customer’s time and your credibility.
Contact dissatisfied customers quickly, where they agreed to be contacted. Plenty of problems can be fixed privately before they turn into public reviews, and the review response guide has wording that works just as well in private. Thank your promoters and very satisfied customers, and ask whether they’d leave a review or refer someone, because they’re your most likely advocates. The reviews guide and the referral guide cover both.
Look for patterns
Once a month, read every open comment and tag it by theme, like delivery, price, quality, staff, communication or ease of ordering. Then count the themes. A problem mentioned once is an anecdote. A problem mentioned by one in five respondents is a priority.
If complaints keep landing on one thing, fix the underlying cause, then check whether scores improve. Low effort scores for a process mean that process needs simplifying, because it’s losing you customers. High satisfaction with a low NPS means customers are content but not enthusiastic, so look for what would make the experience memorable. And when the same thing keeps getting praised, put it in your marketing, because it’s what customers value most.
Close the loop
Tell customers what you changed because of their feedback, in a message or a short note on your website. “You told us delivery updates were unclear, so we now send tracking on WhatsApp” shows customers their answers matter, and makes them more likely to reply next time.
Give One Score a Target
Pick the one measure that matters most to your business, record the current score as a baseline, and set a target with a date, like “Raise post-delivery CSAT from 72% to 85% by the end of the quarter.” The written goal template shows how. It turns feedback from a report into a programme of improvement.
Small Numbers Swing Wildly
Most small businesses collect a modest number of responses, and small samples swing a lot. Take an NPS survey with 20 responses. Each person is 5% of the total. If one respondent had been a promoter instead of a detractor, the promoter share rises by 5 points and the detractor share falls by 5, which moves the NPS by 10 points. A “10-point drop” from one month to the next might be one unhappy customer.
So with small numbers, report the number of responses next to every score. Look at trends over several months, or combine a quarter’s responses, instead of reacting to single-month changes. Weight the comments more than the score, because five customers independently mentioning slow delivery is a clearer signal than a small movement in a number. And watch who responds. Very happy and very unhappy customers are more likely to answer, so results can overstate both extremes.
A Simple Feedback System
| Moment | Survey | Action |
|---|---|---|
| After each purchase or service | CSAT, two questions | Follow up on low scores within a day |
| After ordering or booking | Effort score | Fix steps that customers find difficult |
| Every six to twelve months | NPS relationship survey | Thank promoters, ask for reviews and referrals |
| When customers lapse | Lost-customer survey | Log reasons and look for patterns |
| Monthly | Review all comments by theme | Pick one improvement and assign an owner |
Connect it to your other systems where you can. Low scores can trigger a follow-up task in your CRM, and high scores can trigger the review and referral flow in the lifecycle automation blueprint.
Data Protection
Surveys collect personal information and opinions. Explain how you’ll use the responses, collect only what you need, keep the data secure, and respect customers who don’t want to be contacted about their answers. The NDPA guide covers your obligations, and you should take qualified advice on your own setup.
Before the One-Star Review
Send your first two-question survey this week, to the last ten customers you served. Read every comment. Call anyone who scored you low. You’ll learn more in a week than in a year of guessing.
If you’re still not sure why customers don’t come back, the free 2-minute diagnostic will confirm whether Retain is your weakest wall.
P.S. If you spend ₦1M or more a month on marketing, you also qualify for a free 30-minute Leak Check. We’d love your feedback afterwards. Two questions, we promise.
The templates are free to use and adapt. Worked calculations use illustrative numbers. Score benchmarks vary widely by industry and method, so track your own trends. Survey data is personal data, so take qualified advice on your NDPA obligations.
This article covers one part of a bigger system. Our guide to digital marketing in Nigeria shows how the four walls fit together, and the order to build them in.
