definition of customer service excellence
Customer Service Excellence. The Customer Service Excellence, (previously the Charter Mark) is an accreditation for organisations, intended to indicate an independent validation of achievement. Contents. History. The Charter Mark was an award demonstrating the achievement of national standard for excellence in customer service in United Kingdom public sector organisations. Introduced in 1991, it was replaced in 2008 by Customer Service Excellence standard, with the last issued Charter Marks expiring in 2011.