This thesis provides an investigation intotompany codes of ethics and their part in the moral regulation of UK business. Codes of ethics have been adopted by many firms in the UK over recent decades, and the use of codes also comes highly recommended within the literature on Business Ethics. So, the purpose of this thesis will be to investigate how these codes are used in practice, why they have emerged in the first place, and what potential they might hold.Part One of the thesis will attempt to establish the present condition of company codes of ethics. This will begin by tracing the history of company codes of ethics, and the factors which have influenced their emergence. Subsequently, the ideological positions which underpin these codes ...