The company released its UK Customer Satisfaction Index for the retail sector at the end of February.
Vice-president Xavier Quenaudon said: "Our work with long-standing retail clients has demonstrated the significant leverage of print to drive satisfaction and purchasing behaviour.
"It's a matter of providing the right mix of quantity and quality of information, to optimise customers' overall shopping experience and satisfaction with their retailer," he added.
Meanwhile, Waitrose has used direct mail to promote its own customer engagement programme, MyWaitrose.
Marc Nohr, managing partner at marketing agency Kitcatt Nohr, said: "MyWaitrose will reward customers by allowing them to interact with the brand and have a real influence on product and service innovation."
Waitrose marketing manager Jane Orchard said; "We want our customers to have a voice and be able to influence the way we work."
CFI reveals power of print for brand loyalty
Effective use of print boosts customer satisfaction and helps shoppers make better purchasing decisions, according to leading customer satisfaction specialist CFI Group.
