In our global economy knowledge-based industry is takingmore importance. Recent years have seen the success of anincreasing number of start-up companies, most technology-basedenterprises financed by private persons or companies, or through venture capital funds and public offering. In manyyears, those companies are faced at certain critical momentswith matters involving intellectual property rights, insiderinformation and raising money. These facts all have an ethicaldimension. There is an increasing need for ethical behaviourfrom all parties involved. A code of conduct of all partiesshould be (...) applied. This paper describes the growth processof a company and the valuation of an innovation project. Itwill overview a number of ethical issues, at different stagesin the innovation business, and in the lifetime of a start-upcompany, such as the problems of intellectual property, theconfidentiality of information, the negotiation processbetween the entrepreneur and the financier, the marketingof raising funds and of an IPO, and finally the informationand insider trading. The paper concludes with aplea for increased ethical ethical behaviour and the needfor rules of best practice for all parties: the inventor,the entrepreneur, the financial investor, and other stakeholders. (shrink)