Partner Net Promoter Score (NPS) is a leading indicator of customer NPS, which is a leading indicator of customer retention. Then NPS is a measure of partner satisfaction that is used to assess the likelihood that a company's partners or affiliates will recommend its products or services to others. It is calculated based on a survey that asks partners to rate their likelihood of recommending the company on a scale of 0 to 10.
How to Calculate Partner NPS
Partner NPS uses the same method as customer NPS, asked of partners instead of customers. The survey question is Bain's "ultimate question": how likely are you to recommend us to a friend or colleague, scored 0 to 10. Responses split into three segments, per Bain: Promoters score 9 or 10, Passives score 7 or 8, and Detractors score 0 to 6.
The formula is plain subtraction:
Partner NPS = % Promoters minus % Detractors
The result runs from -100 to +100. Two things to fix before you compare scores. The denominator is partner contacts who answered, not your total partner count. And Passives count in that denominator but drop out of the subtraction, so they pull the percentages without ever helping the score. Decide whether each partner organization gets one response or many, and keep it consistent between waves.
Worked Example
This is an illustrative calculation with round numbers, not a real company.
Suppose a program surveys 200 partner contacts and gets responses back from all of them. 90 score 9 or 10, so Promoters are 45%. 70 score 7 or 8, so Passives are 35%. 40 score 0 to 6, so Detractors are 20%.
Partner NPS = 45 minus 20 = +25.
Notice the Passive effect. 35% of respondents count in nobody's favor, which is why a program can feel fine and still post a middling score. And the score is sensitive at the edges: if 10 Passives slip into the Detractor band next wave, the score falls from +25 to +20 even though the number of Promoters never changed. Watching movement between segments over time matters as much as the headline number, which is what partner engagement tracks.
How to Read a Partner NPS
There is no public partner-specific NPS benchmark with a disclosed methodology, so the honest move is to read your score against your own trend, not an industry table. What Bain's research does establish, for NPS in general, is why the score matters:
- Sustained value creators carry an NPS roughly two times higher than the average company.
- Promoters account for more than 80% of referrals in most businesses.
- Detractors account for more than 80% of negative word of mouth.
- Passives' repurchase and referral rates run as much as 50% lower than Promoters'.
These are customer-NPS findings applied to the partner context, not partner-specific numbers, so use them as direction rather than targets. A falling score is an early warning of partner churn, and the discipline that pulls it back up is partner experience management.
Frequently Asked Questions
What does NPS stand for?
NPS stands for Net Promoter Score, the central metric of Bain & Company's Net Promoter System, created by Fred Reichheld. Net Promoter Score is a service mark of Bain, NICE Systems, and Fred Reichheld. The "partner" prefix simply means the survey goes to partners instead of customers.
What is the difference between relationship NPS and transactional NPS?
Relationship NPS asks the general recommend question on a set cadence, quarterly to annual, and tracks overall loyalty. Transactional NPS fires right after a specific event, such as onboarding or a support case, and measures that one touchpoint. For a partner program, the relationship survey is the program-level KPI.
What is better, NPS or CSAT?
Neither is better, they answer different questions. Partner NPS measures willingness to recommend, which is a loyalty signal. Satisfaction scores measure contentment with a specific interaction. Many programs run both: NPS for the relationship, CSAT for individual touchpoints like support.
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