- Affordable Housing
- CAO Smart Cities Office
- Capital Financing – Contaminated Sites & 100RE
- Capital Financing – Infrastructure Renewal, Growth, City Building
- City Clerk’s Office
- City Council
- Community Investment
- Corporate and Community Safety
- Corporate Communications and Customer Service
- Corporate Facilities Management
- Culture
- Downtown Guelph Business Association
- Economic Development and Tourism
- Energy Management
- Executive Leadership
- Finance
- Fire Services
- Fleet
- General Revenue and Expenditures
- Grand River Conservation Authority
- Guelph Police Services
- Guelph Public Library
- Guelph Transit
- Guelph-Wellington Paramedic Services
- Human Resources
- Information Technology
- Infrastructure Planning and Construction
- Internal Audit
- Legal, Realty, and Court Services
- Office of the Mayor
- Parking
- Parks Operations
- Parks Planning
- Planning and Building Services
- Recreation
- Redevelopment Incentives
- Social Services (County of Wellington)
- Solid Waste Services
- Stormwater Services
- Strategy, Innovation and Intergovernmental Services
- The Elliott Community
- Transportation Services
- Wastewater Services
- Water Services
- Wellington-Dufferin-Guelph Public Health