Contract groups are elements that are used to group contracts into categories such as service contracts, purchase contracts or lease contracts. Since a contract group is a hierarchical element, it can be divided into subgroups. As a contract group is not linked to a specific property, the categorization of contracts into groups is therefore identical for all properties.

A Contract group can be divided in to Hard service contracts and Soft service contracts based on the type of work. The Soft service contracts group can contain the subgroups Cleaning and Catering. The Hard service contracts group can contain the subgroups Elevator and Heating.

For details on groups, see Defining contract groups.