AbstractUnderstanding the effect of managing on organizations is both a theoretical and applicative problem. Project and marketing management has recently become common terminology. For positive outcomes, Slovenian construction organizations should consider time, costs, and the quality of projects. The aim of this study was, using descriptive and analytic research methods, to ascertain whether the use of project and marketing management reduces delays and penalties and improves project quality in the Slovene construction industry. It was established that there is a positive relationship between the use of project and marketing management in the Slovene construction industry. The Slovene organizations in construction that apply project management apply also marketing management. It was also found that the use of project and marketing management improve project quality nor reduce penalties and delays. For organizations to be successful in the construction industry, it is essential to link the functions of project management and marketing management.