Revenue Weighted NPS Scores – All customers are equal, but some are more equal than others

Very few companies and models actually take into account the customer profile when reporting out NPS Scores.

By Vivek Bhaskaran

Net Promoter Score – An Introduction

Net Promoter Scores – We all have heard of it and most of us have drunk the cool-aid. NPS Scores are a measure of customer loyalty, and thereby a reflection of profitability. Most companies measure NPS by asking customers, after a recent purchase, via a simple transactional survey.

However, very few companies and models actually take into account the customer profile when reporting out NPS Scores. In our experience and modeling, most companies are not leveraging the power of NPS to determine service delivery perfection.

Let’s take a small example to illustrate a point;

ID Customer Type NPS Score
1 SMB 10
2 Enterprise 2
3 SMB 7
4 SMB 8
5 Enterprise 6

Now, let’s calculate the standard formula for the NPS Score – which is the % of the folks who are promoters – % of customers who are detractors;

In this above example;

Promoters 40%
Passive 40%
Detractors 20%

Finally, we arrive at the cumulative NPS Score:

NPS Score: 20

Note – the NPS Score is always a “Score” that can have valued between -100 and +100.

Customer Lifetime Value

Now – let’s bring in actual revenue. Let’s propose that the Lifetime Value of an Enterprise Customer is much higher than the value of an SMB Customer. The concept of loyalty and rewarding customers who spend more – is to stratify and design programs for customers in the appropriate spend category.

For conversation’s sake, let’s say the LTV of an Enterprise User vs. an SMB User is as follows;

Customer Type LTV
Enterprise 8000
SMB 2000

We will see this in a minute, but the _absolute_ numbers (8000 and 2000) don’t matter. What matters here is that we are saying that the Enterprise Customer is worth 4X more to the company than the SMB Customer – from a revenue perspective. Now this metric in this example we are using is revenue – but as you can imagine, you can replace revenue with profit margins also. What we are alluding to here is that – customers can be stratified by either spend or by margins/profitability.

Revenue Weighted NPS Score

Now, since we have the NPS survey response at an individual level, we can compute the NPS Score taking into account the spend/revenue on a customer level.

Let’s take into account the same NPS Score calculation, but this time use the Customer LTV into the equation;

In the above example – we have 2 promoters – but both of them happen to be SMB customers and 1 detractor who happens to be an Enterprise customer. Without taking LTV and Customer Tier into account, we would come to the incorrect conclusion – that we have 40% (⅖) Promoters and 20% (⅕) Detractors in the system. But this would be incorrect – from a pure business and economic perspective. We run the risk of losing $8,000 in value – while we pat ourselves on the back for keeping $4,000 in value as promoters.

To prevent this, we can “weight” the NPS Scores based on LTV of the Customer Tier;

Revenue Revenue Weighted
Promoters 40% $4,000 18%
Passive 40% $8,000 45%
Detractors 20% $10,000 36%

How did we compute the Revenue Weighted NPS Score?

If you notice, in our sample dataset, we have 2 Promoters with a cumulative revenue of $4000 (2x$2000). The cumulative revenue in our sample dataset is 3 SMB’s and 2 Enterprise customers – this is a total of $22,000 (3x$2000 + 2x$8000)

Revenue Weighted Promoters : $4,000 / $22,000 18%
Revenue Weighted Passive : $10,000 / $22,000 45%
Revenue Weighted Detractors: $8,000 / $22,000 36%

Thus, the Revenue Weighted NPS Score  : 18-36 = -18

Revenue Weighted NPS Score:  -18

Compare this to our Non-Revenue weighted score of +20 – so in effect, we went from a +20 of NPS Score to a -18 because we applied revenue weighting to the score. Without this insight, most companies will continue to make decisions that are directly orthogonal to their overall goals – which is to increase revenue and profitability.

Revenue Vs. Margins/Profit

In the example above, we focused in on Revenue as a metric to anchor and weight the NPS Score by. Companies in their lifecycle are generally interested in only two broad financial metrics – Top Line and Bottom Line – which is Revenue & Profit. If you are interested in making a profit based NPS model – the formula and the model is exactly the same – just replace revenue with profit and the weighting will automatically apply. All you will need to do is to – instead of plugging in the LTV (Lifetime Customer Value) – you would use the Customer Gross Margin – which is the margin you expect to make for each Enterprise Customer or SMB Customer.

Revenue At Risk

If we all assume that the customers who are actively NOT willing to recommend you – are at risk of leaving you for a better product or service. With the Revenue weighting model, we can not ascribe a clear dollar value that is at risk – of leaving.

In our example above, our Revenue At Risk : $8000

Revenue & Operational Metrics

In our experience, showcasing revenue metrics to line-managers has a _direct_ impact on strategy and behaviour. Line managers relate to revenue and can understand the model. As Peter Drucker said, you always manage what you measure – if we wan’t revenue and/or profitability to go up, we need to provide the tools and the underlying model to help increase revenue and profitability. The Revenue Weighted NPS Score will allow for managers to take their NPS Scores seriously – since all the metrics are tied to real world metrics – like revenue and profit margins.

Flying blind does not help!

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6 Responses to “Revenue Weighted NPS Scores – All customers are equal, but some are more equal than others”

  1. Praful says:

    March 2nd, 2017 at 11:47 pm

    Absolutely true.

  2. Tom H. C. Anderson says:

    March 3rd, 2017 at 10:04 am

    Sounds interesting, but why not try to predict revenue instead, and really understand what’s going on 😉

  3. Tom H. C. Anderson says:

    March 3rd, 2017 at 2:39 pm

  4. Sarah Marin says:

    March 20th, 2017 at 5:14 pm

    Interesting approach. I believe you have the revenue figures for Passives and Detractors reversed where they first appear above.

  5. Norman says:

    March 22nd, 2017 at 6:57 am

    There is a mistake about your first example :

    ID Customer Type NPS Score
    1 SMB 10
    2 Enterprise 2
    3 SMB 7
    4 SMB 8
    5 Enterprise 6

    In this above example;

    Promoters 40% –> There is only one Promoter (id 1), not two. Promoters are 20 %, not 40 %
    Passive 40% –> Ok
    Detractors 20% –> Detractors are two (id 2 and id 5). Detractors are 40 %

    –> For me and for Fred Reichheld, Promoters give 9 or 10 (id 1). Passives give 7 or 8. Detractors give 0, 1, 2, 3, 4, 5, 6. (id 2 and id 5)

  6. Net Promoter Score : NPS pondéré par la Valeur Vie Client says:

    March 27th, 2017 at 4:06 am

    […] Cet article a été traduit de l’anglais et adapté d’une publication de Vivek Bhaskaran. […]

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