Are you on the lookout for simple, reliable business tools? [i.e., Are you Seeking Simple business solutions?]
Are you interested in understanding your customers' perceptions of your company, product or service?
If you answer yes to these 2 questions, here's one simple & straightforward answer...
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About customer loyalty, there is one ultimate question. It allows you to quantify your level of customer loyalty.
On a scale of 0-10...
"How likely is it that you would recommend this company, product or service to a friend or colleague?"
Tally the answers under the following 3 classes:
9-10 means Promoter
7-8 means Passive [and at some risk to competition]
0-6 means Detractor [and that's a real problem]
Then your customer loyalty score is calculated as follows:
Promoters - Detractors = NPS
NPS: your 'Net Promoter Score'...the higher the better...and, an upward trend-line is a good thing.
NPS: a terrific example of Seeking Simple.
Footnote
Source of the NPS customer-loyalty question: Fred Riechheld, 'The Ultimate Question', (2003)