Purchasing consulting services is an official business definition that refers to the acquisition of professional advice and assistance from an external source. This type of service can help businesses to increase their efficiency and productivity, as well as to reduce costs. Consulting services can be used to develop strategies, evaluate existing processes, and implement new solutions. The services can also help businesses to identify potential areas of improvement and to develop a plan of action for achieving their goals. Additionally, consulting services can provide guidance on how to best utilize resources and to maximize the value of investments. Ultimately, purchasing consulting services can be a valuable tool for businesses to improve their operations and achieve their objectives.