Data analytics could be the number one source for stronger and better customer service. Companies are tracking their customers on all public digital channels to tailor better offers and services for them. Customer service issues shouldn’t be different, data analytics and insights can step in to make this service better.
Loyalty, intangible as it is it not exactly something that is tracked, monitored and measured nor are there tools to measure something as vague a metric as loyalty. What you can do, however, is to monitor the metrics that indicate loyalty.