The bidding process is one of the most important phases in the construction industry. The major objective of construction companies is to expand business volume by successful bidding on various projects. For this reason, companies must prepare realistic bid proposals. However, the traditional bidding process is time consuming and requires a great deal of effort. This paper proposes a model that enables the companies to reduce the bid proposal preparation time and cost by using e-technology. (C) 2005 Elsevier Ltd. All rights reserved.