Cost information of construction projects are generally in various forms of different details generated at different stages of projects. There exists a need to consolidate those cost information (e.g. project cost analysis, BQ rates, interim payments, final account data, etc.) at one-stop shop that facilitates application in future estimates, analysis of cost trends, cash flow forecast, vetting of tender prices, valuation of variations, etc. by Big Data Analysis, Artificial Intelligence or other innovative algorithms.