Data warehousing can offer multiple benefits to companies. Companies that can successfully carry out data warehousing can gain a competitive edge over their competitors. This is because data warehousing enables easier decision-making to tap onto new customers, new demands, and new trends.It also can allow more efficiency in business decision-making by providing interconnected, historical, and granular data. It allows management to get a clear view of the overall business. Finally, data warehousing can be cost-effective as it does not require substantial IT support.