Marketing ethics is normally marketed as a sub-specialization of business ethics. In this paper, marketing ethics serves as an umbrella term for advertising, PR and sales ethics and as an example of professional ethics. To structure the paper, four approaches are distinguished, with a focus on typical professional conflicts, codes, roles or climates respectively. Since the moral climate approachis more inclusive than the other approaches, the last part of the paper deals mainly with moral climates, within the above-mentioned marketing sub-professions.