Types of Consulting Services
There are various types of consulting services and you have to distinguish between professional consulting services and other types of services.
Some of the services such as maintenance and upkeep of a utility, security services, providing man power, and so on are services of a routine nature and thus cannot be classified as professional consulting services. These are called non-consultant services. There is other type of services that involves physical component as crucial element. These services often involve equipment intensive assignments using established technologies and methodologies that have measurable physical outputs, for example, field investigations and surveys such as topographical surveys, cartography, aerial surveys, drilling, satellite mapping, and so on. These services are not classified as professional services and are usually procured following good and works procurement procedures.
The professional services that are usually required for a developmental project vary from simple to highly specialised and complex assignments.