Dunck is a full service marketing agency, entirely specialized in client loyalty. Loyalty, CRM and Retention. That is what Dunck is good at! Advice, interim and management are provided in this field. Dunck seeks to attain more loyalty amongst end clients and devises that which is necessary to attain this. Loyalty programmes, loyalty campaigns, and all other possible tools. With the loyalty knowledge platform, LoyaltyFacts.com, Dunck shares investigations, articles and cases with all registered marketing professionals who take loyalty-marketing series.