As an Upper-Tier Municipality, the County of Perth provides services across four Lower-Tier local municipalities (North Perth, Perth South, Perth East, West Perth) as well as shared services across all six local municipalities (Four Lower-Tier Municipalities of North Perth, Perth South, Perth East, and West Perth and two Single-Tier Municipalities of The City of Stratford, and The Town of St. Marys).
- Accessibility
- Archives*
- Community Paramedicine* (Mobile Integrated Health)
- Economic Development and Tourism
- Emergency Management
- Forestry
- Geographic Information Systems (GIS)
- Paramedic Services*
- Provincial Offences Administration* (Court, prosecution services, administration and collection of fines)
- Planning
- Public Works (County Road Maintenance and Infrastructure)
- Tax Policy
* denotes a shared service