Open Professional Services Tenders in Ontario — 406 Live Today
Data updated November 6, 2026
Consulting, audit, legal, planning, and advisory mandates appear across every tier of Ontario's public sector — federal departments (PSPC, DND) via CanadaBuys, provincial agencies via the Ontario Tenders Portal, and a long tail of municipalities like Markham and the regional governments on commercial bidding platforms.
It's a market where scope varies wildly, from single-study engagements to multi-year vendor-of-record arrangements; watching the flow beats checking portals. The open mandates are listed below with buyers and closing dates.
Latest open tenders
Integrity Commissioner / Closed Meeting Investigation Services
Town of New Tecumseth
Closes November 30, 2026Legal Services for Employee and Labour Relations - Investigation & Restorative and Remediation Services
Government of Ontario
Closes December 7, 2026RFP-2610271 - Property Tax Collection Services
City of Richmond Hill
Closes November 26, 2026RFP 2026-003 External Audit Services
Closes November 20, 2026RFP2026-9 - NOIP - Corporate Facilities Building Condition Assessments, Electrical Load-Capacity, and Decarbonization Implementation Planning
Municipality of Clarington
Closes November 26, 20265000093706 Spokesperson Coaching
Canadian Nuclear Safety Commission (CNSC)
Closes November 24, 2026Air Space Study - Project Management Services
Department of National Defence (DND)
Closes November 26, 2026Regional Primary Care Clinical Lead
Government of Ontario
Closes December 30, 2026C2026-50 - Transportation Operations Facility Master Plan
Region of Waterloo
Closes December 4, 2026Financial statement audit services for the Office of the Information Commissioner of Canada (OIC)
Offices of the Information and Privacy Commissioners of Canada (OPC)
Closes November 20, 2026Crude Oil Inventory and Pipeline Flow Monitoring Services
Department of Natural Resources (NRCan)
Closes November 20, 2026TBIPS Grants and Contributions Transformation Initiative (GCTI) – Stream 1 B.1 Business Analysis Services and Stream 2 A.11 Tester, P.11 Quality Assurance
Department of Foreign Affairs, Trade and Development (GAC)
Closes November 25, 2026Stream to Sea Program Delivery and Coordination Services: South Coast – Victoria, Sooke, Saanich and Southern Gulf Islands
Department of Fisheries and Oceans (DFO)
Closes November 19, 2026Project Support Organization for a Support Services Arrangement for RMC Kingston
Department of National Defence (DND)
Closes November 23, 2026DATA SECURITY ASSESSMENT TEAM
Department of National Defence (DND)
Closes November 26, 2026
Closing within 7 days(99)
RFI for OPSdocs with IDS Assessment
Government of Ontario
Closes November 6, 2026Research and Evaluation of Risk Assessment Tools and/or Programs for Justice Involved Individuals
Government of Ontario
Closes November 6, 2026Subscription to a Drug Pricing Intelligence Database
Patented Medicine Prices Review Board (PMPRB)
Closes November 6, 2026Independent (Geoscience) Advisory Group on the long-term management of used nuclear fuel in a Deep Geological Repository (Phase V)
Canadian Nuclear Safety Commission (CNSC)
Closes November 6, 2026Psychological Risk Assessment Services (Psychologist) – Ontario Region
Correctional Service of Canada (CSC)
Closes November 6, 2026
More tenders in Ontario
Integrity Commissioner / Closed Meeting Investigation Services
Town of New Tecumseth
Closes November 30, 202626-TWM-36 Furniture for IHSC Lab
Closes December 1, 2026Legal Services for Employee and Labour Relations - Investigation & Restorative and Remediation Services
Government of Ontario
Closes December 7, 2026SQ-26-74 - Mechanical Contractors VOR
Simcoe Muskoka Catholic District School Board
Closes November 24, 2026RFP-2610271 - Property Tax Collection Services
City of Richmond Hill
Closes November 26, 2026
Most active buyers
- Department of Public Works and Government Services (PSPC)38 open tenders
- Government of Ontario26 open tenders
- Ontario Shared Services24 open tenders
- Department of National Defence (DND)23 open tenders
- Department of Public Safety and Emergency Preparedness (PS)6 open tenders
Professional Services tenders by city in Ontario
Other industries in Ontario
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