Construction industry, like any other sector, is a profitable business and plays a significant role in a country's economy. Therefore, it is crucial to adopt a realistic bidding strategy with a systematic approach which covers all aspects that may affect the bidding decision rather than depending only on experience that may miss valuable factors and their impact on the taken decision. The goal of this research is to help contractors to make the most suitable decision with minimum risk between the alternatives in the Egyptian market by the following:
1- Exploring, investigating, and analyzing the critical factors affecting the biding decision for the construction firms in the Egyptian construction industry.
2- Ranking different factors based on the importance level provided by experienced people in the tendering process.
3- Developing a decision-making tool to assist construction firms in bidding stage to quantify the risk and take the most suitable decision.
To achieve the research objective, after investigating the previous studies, a questionnaire was distributed among construction firms in Egypt. The findings revealed that the most significant factors influencing bidding decisions, were "Size of the project" and "Type of the project". On the other hand, factors such as "Public opinion of the project" and "Government approvals required" were ranked as lower priority. After ranking all the factors with its RII, a decision matrix analysis developed to help the construction firms in taking the proper bidding decision which serve their goals, align with their vision and respect the market conditions.