The directorate is responsible for the coordination of development of sector policies and programmes in conjunction with line ministries and stakeholders.

Apart from sectoral co-ordination, the department is also responsible for overseeing project and public expenditure management activities including project appraisal, public expenditure reviews and public expenditure tracking.

The Department is also responsible for co-convening all Sector Working Groups, which include Agriculture and Rural Development, the Physical infrastructure, Public Administration, Public Safety, Law and Order, health, General Economic Services, ICT and Education Sector Working Groups in the MTEF Budgeting process.

The department ensures that sectoral data is collected and analysed for planning purposes as well as maintaining the input-output tables needed to facilitate sectoral growth projections.