The lead qualification process helps you screen your prospects so that you only reach out and try to sell to prospects that fit your ideal customer profile. This maximizes the probability of a successful deal and minimizes wastage.
The idea behind the B2B sales SOP is to collect as much information as possible about the prospect to make them a highly personalized offer and reduce the need for negotiation.
The customer retention process is aimed at engaging with existing customers with a view to maximize customer loyalty and keep them buying your product or service.