Surveys

15 Essential Net Promoter Score (NPS) Best Practices for Valid and Actionable Results

To ensure your Net Promoter Score (NPS) process is valid, reliable, and capable of withstanding external stakeholder scrutiny, follow these best practices outlined by Fred Reichheld and other NPS experts:

1. Use the Standardized NPS Question

The NPS methodology is built around a single question: “How likely are you to recommend [Company/Product] to a friend or colleague?” This ensures consistency and comparability across industries and organizations.

2. Follow the 0-10 Scale

Use the 0-10 rating scale, where:

  • Promoters score 9-10.
  • Passives score 7-8.
  • Detractors score 0-6.

This scale is critical for calculating the NPS score correctly.

3. Include Open-Ended Follow-Up Questions

Ask respondents to explain their score with a follow-up question like: “What is the primary reason for your score?” This provides actionable insights beyond the numerical score.

4. Ensure Random Sampling for Valid Results

To avoid bias, ensure your survey reaches a representative sample of your customer base. Random sampling prevents skewed data that might misrepresent customer sentiment.

5. Maintain Anonymity for Honest Feedback

Ensure respondents feel safe sharing honest opinions. Communicate that responses will remain anonymous, which encourages candid feedback.

6. Time the Survey Appropriately

Send surveys at key moments in the customer journey, such as:

  • After a purchase.
  • Following a customer service interaction.
  • Periodically during the customer lifecycle.

Timing should align with moments that are likely to influence customer perceptions.

7. Use a Consistent Survey Distribution Method

Stick to a single channel (email, SMS, in-app, etc.) for consistent results, or clearly segment results by distribution method to avoid mixing data from different channels.

8. Act on Feedback with a Closed-Loop Process

Respond promptly to detractors to resolve issues and improve their experience. Thank promoters and encourage them to share testimonials. This demonstrates that customer feedback leads to real action.

9. Benchmark Your NPS

Compare your score to industry benchmarks and your historical performance. Use third-party resources like NPS Benchmarks to contextualize your results.

10. Engage a Third Party for Administration

Using a third-party service to administer the survey can ensure objectivity, reduce bias, and reassure external stakeholders of the process’s integrity.

11. Segment Your NPS Results

Analyze scores by customer demographics, regions, or product lines. Segmentation helps identify specific areas of strength and weakness.

12. Report Results Transparently

Present NPS findings to management and external stakeholders in a clear and transparent way. Include:

  • Overall score.
  • Segmented insights.
  • Verbatim customer feedback.
  • Actions taken based on feedback.

13. Monitor Trends Over Time

Track your NPS over months or years to measure the impact of changes in your business. Look for patterns in promoter and detractor behavior.

14. Validate Your NPS Process

Regularly audit your NPS process to ensure it aligns with best practices. Validate that:

  • Sampling is unbiased.
  • Scales and questions are used consistently.
  • Feedback is acted upon.

15. Communicate Improvements to Customers

Close the feedback loop with customers by letting them know how their input has led to tangible improvements. This reinforces trust and encourages future participation.

By following these best practices, you can ensure that your NPS process is robust, actionable, and credible in the eyes of both internal and external stakeholders.

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Net Promoter Score (NPS) Calculator

The Net Promoter Score (NPS) is a widely recognized metric used by businesses to measure customer loyalty and satisfaction. By asking a simple question—“How likely are you to recommend our product/service to a friend or colleague?”—companies can gauge the strength of their customer relationships. Respondents rate their likelihood on a scale from 0 to 10, and based on their scores, they are categorized into three groups: Promoters (9-10), Passives (7-8), and Detractors (0-6).

NPS is calculated by subtracting the percentage of Detractors from the percentage of Promoters, resulting in a score that ranges from -100 to +100. A higher score indicates a more loyal and satisfied customer base, making it a valuable tool for identifying strengths and areas for improvement. Businesses use NPS to benchmark performance, track trends over time, and prioritize initiatives that enhance customer experience. Use the calclator below to easily compute your net promoter score.

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The A to Z of Marketing Surveys

A is for Accessibility:

B is for Branching:

C is for Closed-Ended Questions: Questions that offer respondents a set of predefined answer options to choose from.

D is for Demographics: Collecting information about your respondents’ demographics can help you better understand your target audience.

E is for Engagement:

F is for Feedback:

G is for Glossary or Dictionary:

H is for Hierarchal Questions:

I is for Intercept Surveys:

J is for Journey:

K is for Key Driver:

L is for Likert scale: A rating scale used to measure attitudes and opinions.

M is for Margin of Error (confidence interval):

N is for Net promoter score (NPS): A customer satisfaction metric that measures the likelihood of a customer recommending a company to others. Respondents are classified as Detractors (0-6 rating), Passives (7-8 rating), or Promoters (9-10 rating).

O is for Open-ended questions: Questions that allow respondents to provide their own answers.

P is for Piping:

Q is for Qualitative vs Quantitative:

R is for Response rate: The percentage of people who respond to your survey.

S is for Skip Logic:

T is for Text Analytics:

U is for Unsubscribes:

V is for Voice of Customer:

W is for Weighting:

X is for XML and HTML:

Y is for Yield rate: The percentage of people who complete your survey after starting it.

Z is for Zero bias: An ideal state where your survey questions and sample selection are free from bias.

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5 Never Do Tips for Your Customer Satisfaction Survey

Customer Satisfaction Tips to never do

I think the best teacher is experience. Or said another way by Alfred Einstein, the only source of knowledge is experience. Experience is to credit for these tips in improving your customer satisfaction survey. I hope my experience can add to your knowledge.

  1. Never survey your customers more than once a year.

Your customer satisfaction survey should only be sent on an annual basis to each customer. There can certainly be others surveys your customers receive from your company based on onboarding or an interaction with customer service, but even those should be minimal.

So, what if you want that customer feedback on a more frequent basis, perhaps quarterly. Simply segment your customers into four segments (Q1, Q2, Q3, and Q4 for example) and then in January send your survey to your Q1 list and in April send to your Q2 list for example. Now you can get more regular data and only survey each customer once a year.

  1. Never ask for information you have.

Receiving a customer satisfaction survey should feel like an opportunity to assess and reflect on the relationship with your company. Asking for information you already have like their name or email address damages this relationship and makes you look careless. Even surveys that want you to believe they are anonymous typically have some backend data tied to your custom survey link to know a bit about you. In today’s world, nothing you do is anonymous.

  1. Never ask a closed-ended question.

A closed-ended question or one that can be answered with Yes or No should never be asked. That’s lazy question writing and with a tiny more work you can get more valuable data. For example, instead of asking “Did we meet your needs during our recent customer conference?”, ask “What did you enjoy…” or even a “Please rank in order what you enjoyed most about…”.

  1. Never send more than two survey reminder emails.

Let’s be honest, no one enjoys filling out a survey and typically those who do want to sing your praises or have an ax to grind. Often, the first reminder email can bring in as many survey responses as the initial email and the second reminder can be clear this is your last call to gather their feedback. If your survey is resulting in a poor response or even unsubscribes from your mailing list, you are getting valuable feedback – your survey sucks.

  1. Never have your survey too locked down.

If a customer is willing to start filling out your customer satisfaction survey, they likely already have something in mind they want to share. They will likely entertain you with filling out a few of your questions that benefit you but are not what they want to share. Nothing is more frustrating that completing this survey and never having an opportunity to share that feedback. With many questions, it can be helpful to have an “Other” option where the customer can provide an open-ended response. A great catch all can be a “Is there anything else you would like to share with us” question or even an opportunity to provide their contact information for further follow up.

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Best Questions to Include in Your Customer Satisfaction Survey

improving your customer satisfaction survey

Even as a marketer, I have a love/hate relationship with surveys. I don’t like when they are too long, difficult to complete, or ask for information the company should already know about me. I do love a well thought out survey that is easy and quick to complete while providing actionable data.

The set of questions below I have fine-tuned over many years and have found it to be an effective way to get some valuable customer data.

  1. Please select your customer type from the list below.
  2. Which of the following best describes you?
    1. I use X products
    2. I manage those who use X products
  3. How would you describe your overall satisfaction level compared to last year?
    1. What does “company” do particularly well to earn your recommendation? (seen for those giving Very Satisfied rating)
    2. What would “company” need to do to earn a better recommendation? (seen for those giving any other rating)
  4. How likely are you to continue using our products and services?
  5. Overall, how satisfied are you with the following “company” products?
  6. Overall, how satisfied are you with the following “company” services?
  7. Overall, how easy is it to do business with “company”?
    1. Regarding your answer above, what could we do to be easier to do business with?
  8. Please tell us the 3 most important things we can do to improve our existing products and services.
  9. Please tell us the 3 things you liked most about our products and services.

Here is some additional insight to better understand why these questions are what they are:

Customer Type: Ideally, this is information you already have and shouldn’t be asking the customer. However, depending on how truly anonymous this survey is, the ease in having this data tied to the other survey data, and to allow the customer to segment themselves which may differ than how you perceive them, this is valuable. Knowing the type of customer is valuable for segmenting with any of your other survey questions.

User or Manager of User: Often those who use your products differ from those who purchased your products. Another valuable way to segment your survey data.

Satisfaction Rating: You could certainly replace this question with the Net Promoter Score (NPS) question or add it as well. Aside from your opinion on the value of the NPS question, I would argue it’s much easier to respond to a five-point scale Very Satisfied to Very Dissatisfied question than to figure out a 0-10 scale question.

Likely to continue using our products: A great question to see how answers differ between those who are using your products and those who are managing those who are using your products. Also, this may give your sales and support teams a heads up about customer frustration that can be addressed.

Easy to do Business: Perhaps in some way your company has the customer in a stranglehold so they will tell you they are going to continue using your products. Truly, no one wants an unhappy customer. Let’s find out if we are making their lives painful in some way and trend this data to see if the customer is noticing our improvements.

3 Things: You may be asking why I would only ask for three things we could improve or three things the customer likes about us. We originally just asked for feedback and that questions was left unanswered more often than not. By asking three things, those who want to provide more still will and those who maybe weren’t going to will see this as a more doable request. Test this for yourself and see.

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