The DIAGONAL Group is characterized by the perfect interlocking of services and processes. Your defaulting customer can therefore choose independently which channel he would like to use to contact us: by letter, e-mail, fax, SMS, chat, WhatsApp or he can reach our debt collection team by phone. Successful inbound collection by telephone stands and falls with excellently trained staff. Our staff is highly empathetic in responding to all questions, needs and emotions of the caller. Our excellent Google ratings of debtors speak for themselves!